A B C D E F G H I J K L M N O P Q R S T U V W

A

AbstractNotifyingBatchingRestoreCallback - Class in org.apache.kafka.streams.processor

Abstract implementation of the BatchingStateRestoreCallback used for batch restoration operations.

AbstractNotifyingBatchingRestoreCallback() - Constructor for class org.apache.kafka.streams.processor.AbstractNotifyingBatchingRestoreCallback

AbstractNotifyingRestoreCallback - Class in org.apache.kafka.streams.processor

Abstract implementation of the StateRestoreCallback used for batch restoration operations.

AbstractNotifyingRestoreCallback() - Constructor for class org.apache.kafka.streams.processor.AbstractNotifyingRestoreCallback

AbstractProcessor<K,V> - Class in org.apache.kafka.streams.processor

An abstract implementation of Processor that manages the ProcessorContext instance and provides default no-op implementation of AbstractProcessor.close().

AbstractProcessor() - Constructor for class org.apache.kafka.streams.processor.AbstractProcessor

accepts(StateStore) - Method in interface org.apache.kafka.streams.state.QueryableStoreType

Called when searching for StateStores to see if they match the type expected by implementors of this interface.

activeTasks() - Method in class org.apache.kafka.streams.processor.ThreadMetadata

addGlobalStore(StoreBuilder, String, String, Consumed, String, ProcessorSupplier) - Method in class org.apache.kafka.streams.StreamsBuilder

Deprecated.

use StreamsBuilder.addGlobalStore(StoreBuilder, String, Consumed, ProcessorSupplier) instead

addGlobalStore(StoreBuilder, String, Consumed, ProcessorSupplier) - Method in class org.apache.kafka.streams.StreamsBuilder

Adds a global StateStore to the topology.

addGlobalStore(StoreBuilder, String, Deserializer, Deserializer, String, String, ProcessorSupplier) - Method in class org.apache.kafka.streams.Topology

Adds a global StateStore to the topology.

addGlobalStore(StoreBuilder, String, TimestampExtractor, Deserializer, Deserializer, String, String, ProcessorSupplier) - Method in class org.apache.kafka.streams.Topology

Adds a global StateStore to the topology.

addLatencyAndThroughputSensor(String, String, String, Sensor.RecordingLevel, String...) - Method in interface org.apache.kafka.streams.StreamsMetrics

Add a latency and throughput sensor for a specific operation, which will include the following sensors: average latency max latency throughput (num.operations / time unit) Also create a parent sensor with the same metrics that aggregates all entities with the same operation under the same scope if it has not been created.

addProcessor(String, ProcessorSupplier, String...) - Method in class org.apache.kafka.streams.Topology

Add a new processor node that receives and processes records output by one or more parent source or processor node.

addSensor(String, Sensor.RecordingLevel) - Method in interface org.apache.kafka.streams.StreamsMetrics

Generic method to create a sensor.

addSensor(String, Sensor.RecordingLevel, Sensor...) - Method in interface org.apache.kafka.streams.StreamsMetrics

Generic method to create a sensor with parent sensors.

addSink(String, String, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.

addSink(String, String, StreamPartitioner<? super K, ? super V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic, using the supplied partitioner.

addSink(String, String, Serializer<K>, Serializer<V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.

addSink(String, String, Serializer<K>, Serializer<V>, StreamPartitioner<? super K, ? super V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.

addSink(String, TopicNameExtractor<K, V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to Kafka topics based on topicExtractor.

addSink(String, TopicNameExtractor<K, V>, StreamPartitioner<? super K, ? super V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to Kafka topics based on topicExtractor, using the supplied partitioner.

addSink(String, TopicNameExtractor<K, V>, Serializer<K>, Serializer<V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to Kafka topics based on topicExtractor.

addSink(String, TopicNameExtractor<K, V>, Serializer<K>, Serializer<V>, StreamPartitioner<? super K, ? super V>, String...) - Method in class org.apache.kafka.streams.Topology

Add a new sink that forwards records from upstream parent processor and/or source nodes to Kafka topics based on topicExtractor.

addSource(String, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(String, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, String, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, String, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(TimestampExtractor, String, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(TimestampExtractor, String, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, TimestampExtractor, String, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, TimestampExtractor, String, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(String, Deserializer, Deserializer, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes.

addSource(String, Deserializer, Deserializer, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, String, Deserializer, Deserializer, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, String, Deserializer, Deserializer, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, String, TimestampExtractor, Deserializer, Deserializer, String...) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes.

addSource(Topology.AutoOffsetReset, String, TimestampExtractor, Deserializer, Deserializer, Pattern) - Method in class org.apache.kafka.streams.Topology

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addStateStore(StoreBuilder) - Method in class org.apache.kafka.streams.StreamsBuilder

Adds a state store to the underlying Topology.

addStateStore(StoreBuilder, String...) - Method in class org.apache.kafka.streams.Topology

Adds a state store.

addThroughputSensor(String, String, String, Sensor.RecordingLevel, String...) - Method in interface org.apache.kafka.streams.StreamsMetrics

Add a throughput sensor for a specific operation: throughput (num.operations / time unit) Also create a parent sensor with the same metrics that aggregates all entities with the same operation under the same scope if it has not been created.

ADMIN_CLIENT_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to isolate admin configs from other client configs.

adminClientPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.ADMIN_CLIENT_PREFIX.

advanceBy(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows

Deprecated.

Use TimeWindows.advanceBy(Duration) instead

advanceBy(Duration) - Method in class org.apache.kafka.streams.kstream.TimeWindows

Return a window definition with the original size, but advance ("hop") the window by the given interval, which specifies by how much a window moves forward relative to the previous one.

advanceMs - Variable in class org.apache.kafka.streams.kstream.TimeWindows

The size of the window's advance interval in milliseconds, i.e., by how much a window moves forward relative to the previous one.

after(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Deprecated.

Use JoinWindows.after(Duration) instead

after(Duration) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Changes the end window boundary to timeDifference but keep the start window boundary as is.

afterMs - Variable in class org.apache.kafka.streams.kstream.JoinWindows

Maximum time difference for tuples that are after the join tuple.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable using default serializers and deserializers.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Merger<? super K, VR>) - Method in interface org.apache.kafka.streams.kstream.SessionWindowedKStream

Aggregate the values of records in this stream by the grouped key and defined SessionWindows.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Merger<? super K, VR>, Materialized<K, VR, SessionStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.SessionWindowedKStream

Aggregate the values of records in this stream by the grouped key and defined SessionWindows.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>) - Method in interface org.apache.kafka.streams.kstream.TimeWindowedKStream

Aggregate the values of records in this stream by the grouped key.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Materialized<K, VR, WindowStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.TimeWindowedKStream

Aggregate the values of records in this stream by the grouped key.

Aggregator<K,V,VA> - Interface in org.apache.kafka.streams.kstream

The Aggregator interface for aggregating values of the given key.

all() - Static method in class org.apache.kafka.streams.processor.To

Forward the key/value pair to all downstream processors

all() - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Return an iterator over all keys in this store.

all() - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Gets all the key-value pairs in the existing windows.

allMetadata() - Method in class org.apache.kafka.streams.KafkaStreams

Find all currently running KafkaStreams instances (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and return StreamsMetadata for each discovered instance.

allMetadataForStore(String) - Method in class org.apache.kafka.streams.KafkaStreams

Find all currently running KafkaStreams instances (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and that contain a StateStore with the given storeName and return StreamsMetadata for each discovered instance.

appConfigs() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns all the application config properties as key/value pairs.

appConfigsWithPrefix(String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns all the application config properties with the given key prefix, as key/value pairs stripping the prefix.

APPLICATION_ID_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

application.id

APPLICATION_SERVER_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

user.endpoint

applicationId() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the application id

apply(K, V, VA) - Method in interface org.apache.kafka.streams.kstream.Aggregator

Compute a new aggregate from the key and value of a record and the current aggregate of the same key.

apply(K, V) - Method in interface org.apache.kafka.streams.kstream.ForeachAction

Perform an action for each record of a stream.

apply() - Method in interface org.apache.kafka.streams.kstream.Initializer

Return the initial value for an aggregation.

apply(K, V) - Method in interface org.apache.kafka.streams.kstream.KeyValueMapper

Map a record with the given key and value to a new value.

apply(K, V, V) - Method in interface org.apache.kafka.streams.kstream.Merger

Compute a new aggregate from the key and two aggregates.

apply(V, V) - Method in interface org.apache.kafka.streams.kstream.Reducer

Aggregate the two given values into a single one.

apply(V1, V2) - Method in interface org.apache.kafka.streams.kstream.ValueJoiner

Return a joined value consisting of value1 and value2.

apply(V) - Method in interface org.apache.kafka.streams.kstream.ValueMapper

Map the given value to a new value.

apply(K, V) - Method in interface org.apache.kafka.streams.kstream.ValueMapperWithKey

Map the given [key and ]value to a new value.

approximateNumEntries() - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Return an approximate count of key-value mappings in this store.

as(String) - Static method in class org.apache.kafka.streams.kstream.Grouped

Create a Grouped instance with the provided name used as part of the repartition topic if required.

as(String) - Static method in class org.apache.kafka.streams.kstream.Materialized

Materialize a StateStore with the given name.

as(WindowBytesStoreSupplier) - Static method in class org.apache.kafka.streams.kstream.Materialized

Materialize a WindowStore using the provided WindowBytesStoreSupplier.

as(SessionBytesStoreSupplier) - Static method in class org.apache.kafka.streams.kstream.Materialized

Materialize a SessionStore using the provided SessionBytesStoreSupplier.

as(KeyValueBytesStoreSupplier) - Static method in class org.apache.kafka.streams.kstream.Materialized

Materialize a KeyValueStore using the provided KeyValueBytesStoreSupplier.

ASSIGNMENT_ERROR_CODE - Static variable in class org.apache.kafka.streams.StreamsConfig.InternalConfig

AT_LEAST_ONCE - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "processing.guarantee" for at-least-once processing guarantees.

B

BatchingStateRestoreCallback - Interface in org.apache.kafka.streams.processor

Interface for batching restoration of a StateStore It is expected that implementations of this class will not call the StateRestoreCallback.restore(byte[], byte[]) method.

before(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Deprecated.

Use JoinWindows.before(Duration) instead.

before(Duration) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Changes the start window boundary to timeDifference but keep the end window boundary as is.

beforeMs - Variable in class org.apache.kafka.streams.kstream.JoinWindows

Maximum time difference for tuples that are before the join tuple.

BOOTSTRAP_SERVERS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

bootstrap.servers

branch(Predicate<? super K, ? super V>...) - Method in interface org.apache.kafka.streams.kstream.KStream

Creates an array of KStream from this stream by branching the records in the original stream based on the supplied predicates.

BrokerNotFoundException - Exception in org.apache.kafka.streams.errors

Indicates that none of the specified brokers could be found.

BrokerNotFoundException(String) - Constructor for exception org.apache.kafka.streams.errors.BrokerNotFoundException

BrokerNotFoundException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.BrokerNotFoundException

BrokerNotFoundException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.BrokerNotFoundException

BUFFERED_RECORDS_PER_PARTITION_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

buffered.records.per.partition

build() - Method in interface org.apache.kafka.streams.state.StoreBuilder

Build the store as defined by the builder.

build() - Method in class org.apache.kafka.streams.StreamsBuilder

Returns the Topology that represents the specified processing logic.

build(Properties) - Method in class org.apache.kafka.streams.StreamsBuilder

Returns the Topology that represents the specified processing logic and accepts a Properties instance used to indicate whether to optimize topology or not.

C

CACHE_MAX_BYTES_BUFFERING_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

cache.max.bytes.buffering

cachingEnabled - Variable in class org.apache.kafka.streams.kstream.Materialized

cancel() - Method in interface org.apache.kafka.streams.processor.Cancellable

Cancel the scheduled operation to avoid future calls.

Cancellable - Interface in org.apache.kafka.streams.processor

Cancellable interface returned in ProcessorContext.schedule(Duration, PunctuationType, Punctuator).

child(String) - Static method in class org.apache.kafka.streams.processor.To

Forward the key/value pair to one of the downstream processors designated by the downstream processor name.

childName - Variable in class org.apache.kafka.streams.processor.To

cleanUp() - Method in class org.apache.kafka.streams.KafkaStreams

Do a clean up of the local StateStore directory (StreamsConfig.STATE_DIR_CONFIG) by deleting all data with regard to the application ID.

CLIENT_ID_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

client.id

close() - Method in class org.apache.kafka.streams.KafkaStreams

Shutdown this KafkaStreams instance by signaling all the threads to stop, and then wait for them to join.

close(long, TimeUnit) - Method in class org.apache.kafka.streams.KafkaStreams

Deprecated.

Use KafkaStreams.close(Duration) instead; note, that KafkaStreams.close(Duration) has different semantics and does not block on zero, e.g., `Duration.ofMillis(0)`.

close(Duration) - Method in class org.apache.kafka.streams.KafkaStreams

Shutdown this KafkaStreams by signaling all the threads to stop, and then wait up to the timeout for the threads to join.

close() - Method in class org.apache.kafka.streams.kstream.SessionWindowedDeserializer

close() - Method in class org.apache.kafka.streams.kstream.SessionWindowedSerializer

close() - Method in class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

close() - Method in class org.apache.kafka.streams.kstream.TimeWindowedSerializer

close() - Method in interface org.apache.kafka.streams.kstream.Transformer

Close this transformer and clean up any resources.

close() - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Close this transformer and clean up any resources.

close() - Method in interface org.apache.kafka.streams.kstream.ValueTransformerWithKey

Close this processor and clean up any resources.

close() - Method in class org.apache.kafka.streams.processor.AbstractProcessor

Close this processor and clean up any resources.

close() - Method in interface org.apache.kafka.streams.processor.Processor

Close this processor and clean up any resources.

close() - Method in interface org.apache.kafka.streams.processor.StateStore

Close the storage engine.

close() - Method in interface org.apache.kafka.streams.state.KeyValueIterator

close() - Method in interface org.apache.kafka.streams.state.WindowStoreIterator

commit() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Requests a commit

COMMIT_INTERVAL_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

commit.interval.ms

compareTo(TaskId) - Method in class org.apache.kafka.streams.processor.TaskId

configDef() - Static method in class org.apache.kafka.streams.StreamsConfig

Return a copy of the config definition.

configure(Map<String, ?>) - Method in class org.apache.kafka.streams.errors.DefaultProductionExceptionHandler

configure(Map<String, ?>) - Method in class org.apache.kafka.streams.errors.LogAndContinueExceptionHandler

configure(Map<String, ?>) - Method in class org.apache.kafka.streams.errors.LogAndFailExceptionHandler

configure(Map<String, ?>, boolean) - Method in class org.apache.kafka.streams.kstream.SessionWindowedDeserializer

configure(Map<String, ?>, boolean) - Method in class org.apache.kafka.streams.kstream.SessionWindowedSerializer

configure(Map<String, ?>, boolean) - Method in class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

configure(Map<String, ?>, boolean) - Method in class org.apache.kafka.streams.kstream.TimeWindowedSerializer

CONNECTIONS_MAX_IDLE_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

connections.max.idle.ms

connectProcessorAndStateStores(String, String...) - Method in class org.apache.kafka.streams.Topology

Connects the processor and the state stores.

Consumed<K,V> - Class in org.apache.kafka.streams.kstream

The Consumed class is used to define the optional parameters when using StreamsBuilder to build instances of KStream, KTable, and GlobalKTable.

Consumed(Consumed<K, V>) - Constructor for class org.apache.kafka.streams.kstream.Consumed

Create an instance of Consumed from an existing instance.

CONSUMER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to isolate consumer configs from other client configs.

consumerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.CONSUMER_PREFIX.

context() - Method in class org.apache.kafka.streams.processor.AbstractProcessor

Get the processor's context set during initialization.

count() - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key.

count(Materialized<K, Long, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key.

count(Materialized<K, Long, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Count number of records of the original KTable that got mapped to the same key into a new instance of KTable.

count() - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Count number of records of the original KTable that got mapped to the same key into a new instance of KTable.

count() - Method in interface org.apache.kafka.streams.kstream.SessionWindowedKStream

Count the number of records in this stream by the grouped key into SessionWindows.

count(Materialized<K, Long, SessionStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.SessionWindowedKStream

Count the number of records in this stream by the grouped key into SessionWindows.

count() - Method in interface org.apache.kafka.streams.kstream.TimeWindowedKStream

Count the number of records in this stream by the grouped key and the defined windows.

count(Materialized<K, Long, WindowStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.TimeWindowedKStream

Count the number of records in this stream by the grouped key and the defined windows.

create(StateStoreProvider, String) - Method in interface org.apache.kafka.streams.state.QueryableStoreType

Create an instance of T (usually a facade) that developers can use to query the underlying StateStores.

D

DEFAULT_DESERIALIZATION_EXCEPTION_HANDLER_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default.deserialization.exception.handler

DEFAULT_KEY_SERDE_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default key.serde

DEFAULT_PRODUCTION_EXCEPTION_HANDLER_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default.production.exception.handler

DEFAULT_TIMESTAMP_EXTRACTOR_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default.timestamp.extractor

DEFAULT_VALUE_SERDE_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default value.serde

DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS - Static variable in class org.apache.kafka.streams.StreamsConfig

default.windowed.key.serde.inner

DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS - Static variable in class org.apache.kafka.streams.StreamsConfig

default.windowed.value.serde.inner

defaultDeserializationExceptionHandler() - Method in class org.apache.kafka.streams.StreamsConfig

defaultKeySerde() - Method in class org.apache.kafka.streams.StreamsConfig

Return an configured instance of key Serde class.

DefaultPartitionGrouper - Class in org.apache.kafka.streams.processor

Default implementation of the PartitionGrouper interface that groups partitions by the partition id.

DefaultPartitionGrouper() - Constructor for class org.apache.kafka.streams.processor.DefaultPartitionGrouper

DefaultProductionExceptionHandler - Class in org.apache.kafka.streams.errors

ProductionExceptionHandler that always instructs streams to fail when an exception happens while attempting to produce result records.

DefaultProductionExceptionHandler() - Constructor for class org.apache.kafka.streams.errors.DefaultProductionExceptionHandler

defaultProductionExceptionHandler() - Method in class org.apache.kafka.streams.StreamsConfig

defaultTimestampExtractor() - Method in class org.apache.kafka.streams.StreamsConfig

defaultValueSerde() - Method in class org.apache.kafka.streams.StreamsConfig

Return an configured instance of value Serde class.

delete(K) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Delete the value from the store (if there is one).

describe() - Method in class org.apache.kafka.streams.Topology

Returns a description of the specified Topology.

DeserializationExceptionHandler - Interface in org.apache.kafka.streams.errors

Interface that specifies how an exception from source node deserialization (e.g., reading from Kafka) should be handled.

DeserializationExceptionHandler.DeserializationHandlerResponse - Enum in org.apache.kafka.streams.errors

Enumeration that describes the response from the exception handler.

deserialize(String, byte[]) - Method in class org.apache.kafka.streams.kstream.SessionWindowedDeserializer

deserialize(String, byte[]) - Method in class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

E

emitEarlyWhenFull() - Method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Set the buffer to just emit the oldest records when any of its constraints are violated.

end() - Method in class org.apache.kafka.streams.kstream.Window

Return the end timestamp of this window.

endMs - Variable in class org.apache.kafka.streams.kstream.Window

endTime() - Method in class org.apache.kafka.streams.kstream.Window

Return the end time of this window.

equals(Object) - Method in class org.apache.kafka.streams.KeyValue

equals(Object) - Method in class org.apache.kafka.streams.kstream.Consumed

equals(Object) - Method in class org.apache.kafka.streams.kstream.JoinWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.Produced

equals(Object) - Method in class org.apache.kafka.streams.kstream.SessionWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.TimeWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.Window

equals(Object) - Method in class org.apache.kafka.streams.kstream.Windowed

equals(Object) - Method in class org.apache.kafka.streams.processor.TaskId

equals(Object) - Method in class org.apache.kafka.streams.processor.TaskMetadata

equals(Object) - Method in class org.apache.kafka.streams.processor.ThreadMetadata

equals(Object) - Method in class org.apache.kafka.streams.state.HostInfo

equals(Object) - Method in class org.apache.kafka.streams.state.StreamsMetadata

EXACTLY_ONCE - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "processing.guarantee" for exactly-once processing guarantees.

extract(ConsumerRecord<Object, Object>, long) - Method in interface org.apache.kafka.streams.processor.TimestampExtractor

Extracts a timestamp from a record.

extract(K, V, RecordContext) - Method in interface org.apache.kafka.streams.processor.TopicNameExtractor

Extracts the topic name to send to.

extract(ConsumerRecord<Object, Object>, long) - Method in class org.apache.kafka.streams.processor.WallclockTimestampExtractor

Return the current wall clock time as timestamp.

F

FailOnInvalidTimestamp - Class in org.apache.kafka.streams.processor

Retrieves embedded metadata timestamps from Kafka messages.

FailOnInvalidTimestamp() - Constructor for class org.apache.kafka.streams.processor.FailOnInvalidTimestamp

fetch(K) - Method in interface org.apache.kafka.streams.state.ReadOnlySessionStore

Retrieve all aggregated sessions for the provided key.

fetch(K, K) - Method in interface org.apache.kafka.streams.state.ReadOnlySessionStore

Retrieve all aggregated sessions for the given range of keys.

fetch(K, long) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Get the value of key from a window.

fetch(K, long, long) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Deprecated.

Use #fetch(K, Instant, Instant) instead

fetch(K, Instant, Instant) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Get all the key-value pairs with the given key and the time range from all the existing windows.

fetch(K, K, long, long) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Deprecated.

Use ReadOnlyWindowStore.fetch(Object, Object, Instant, Instant) instead

fetch(K, K, Instant, Instant) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Get all the key-value pairs in the given key range and time range from all the existing windows.

fetch(K, long, long) - Method in interface org.apache.kafka.streams.state.WindowStore

Get all the key-value pairs with the given key and the time range from all the existing windows.

fetch(K, Instant, Instant) - Method in interface org.apache.kafka.streams.state.WindowStore

fetch(K, K, long, long) - Method in interface org.apache.kafka.streams.state.WindowStore

Get all the key-value pairs in the given key range and time range from all the existing windows.

fetch(K, K, Instant, Instant) - Method in interface org.apache.kafka.streams.state.WindowStore

fetchAll(long, long) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Deprecated.

Use ReadOnlyWindowStore.fetchAll(Instant, Instant) instead

fetchAll(Instant, Instant) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Gets all the key-value pairs that belong to the windows within in the given time range.

fetchAll(long, long) - Method in interface org.apache.kafka.streams.state.WindowStore

Gets all the key-value pairs that belong to the windows within in the given time range.

fetchAll(Instant, Instant) - Method in interface org.apache.kafka.streams.state.WindowStore

filter(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream that consists of all records of this stream which satisfy the given predicate.

filter(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists of all records of this KTable which satisfy the given predicate, with default serializers, deserializers, and state store.

filter(Predicate<? super K, ? super V>, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists of all records of this KTable which satisfy the given predicate, with the key serde, value serde, and the underlying materialized state storage configured in the Materialized instance.

filterNot(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream that consists all records of this stream which do not satisfy the given predicate.

filterNot(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists all records of this KTable which do not satisfy the given predicate, with default serializers, deserializers, and state store.

filterNot(Predicate<? super K, ? super V>, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists all records of this KTable which do not satisfy the given predicate, with the key serde, value serde, and the underlying materialized state storage configured in the Materialized instance.

findSessions(K, long, long) - Method in interface org.apache.kafka.streams.state.SessionStore

Fetch any sessions with the matching key and the sessions end is ≥ earliestSessionEndTime and the sessions start is ≤ latestSessionStartTime This iterator must be closed after use.

findSessions(K, K, long, long) - Method in interface org.apache.kafka.streams.state.SessionStore

Fetch any sessions in the given range of keys and the sessions end is ≥ earliestSessionEndTime and the sessions start is ≤ latestSessionStartTime This iterator must be closed after use.

flatMap(KeyValueMapper<? super K, ? super V, ? extends Iterable<? extends KeyValue<? extends KR, ? extends VR>>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform each record of the input stream into zero or more records in the output stream (both key and value type can be altered arbitrarily).

flatMapValues(ValueMapper<? super V, ? extends Iterable<? extends VR>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream by transforming the value of each record in this stream into zero or more values with the same key in the new stream.

flatMapValues(ValueMapperWithKey<? super K, ? super V, ? extends Iterable<? extends VR>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream by transforming the value of each record in this stream into zero or more values with the same key in the new stream.

flush() - Method in interface org.apache.kafka.streams.processor.StateStore

Flush any cached data

foreach(ForeachAction<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Perform an action on each record of KStream.

ForeachAction<K,V> - Interface in org.apache.kafka.streams.kstream

The ForeachAction interface for performing an action on a key-value pair.

forward(K, V) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Forwards a key/value pair to all downstream processors.

forward(K, V, To) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Forwards a key/value pair to the specified downstream processors.

forward(K, V, int) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Deprecated.

please use ProcessorContext.forward(Object, Object, To) instead

forward(K, V, String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Deprecated.

please use ProcessorContext.forward(Object, Object, To) instead

G

get() - Method in interface org.apache.kafka.streams.kstream.TransformerSupplier

Return a new Transformer instance.

get() - Method in interface org.apache.kafka.streams.kstream.ValueTransformerSupplier

Return a new ValueTransformer instance.

get() - Method in interface org.apache.kafka.streams.kstream.ValueTransformerWithKeySupplier

get() - Method in interface org.apache.kafka.streams.processor.ProcessorSupplier

Return a new Processor instance.

get(K) - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Get the value corresponding to this key.

get() - Method in interface org.apache.kafka.streams.state.StoreSupplier

Return a new StateStore instance.

getAdminClient(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create an AdminClient which is used for internal topic management.

getAdminConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs for the admin client.

getConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Consumer which is used to read records of source topics.

getConsumerConfigs(String, String) - Method in class org.apache.kafka.streams.StreamsConfig

Deprecated.

use StreamsConfig.getMainConsumerConfigs(String, String)

getGlobalConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Consumer which is used to consume records for GlobalKTable.

getGlobalConsumerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs for the global consumer.

getMainConsumerConfigs(String, String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs to the main consumer.

getProducer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Producer which is used to write records to sink topics.

getProducerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs for the producer.

getRestoreConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Consumer which is used to read records to restore StateStores.

getRestoreConsumerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs for the restore-consumer.

getStateStore(String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Get the state store given the store name.

getWindowSize() - Method in class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

GLOBAL_CONSUMER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to override consumer configs for the global consumer client from the general consumer client configs.

globalConsumerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.GLOBAL_CONSUMER_PREFIX.

GlobalKTable<K,V> - Interface in org.apache.kafka.streams.kstream

GlobalKTable is an abstraction of a changelog stream from a primary-keyed table.

globalStores() - Method in interface org.apache.kafka.streams.TopologyDescription

All global stores of the represented topology.

globalTable(String, Consumed<K, V>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a GlobalKTable for the specified topic.

globalTable(String) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a GlobalKTable for the specified topic.

globalTable(String, Consumed<K, V>, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a GlobalKTable for the specified topic.

globalTable(String, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a GlobalKTable for the specified topic.

grace(Duration) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Reject late events that arrive more than afterWindowEnd after the end of its window.

grace(Duration) - Method in class org.apache.kafka.streams.kstream.SessionWindows

Reject late events that arrive more than afterWindowEnd after the end of its window.

grace(Duration) - Method in class org.apache.kafka.streams.kstream.TimeWindows

Reject late events that arrive more than millisAfterWindowEnd after the end of its window.

gracePeriodMs() - Method in class org.apache.kafka.streams.kstream.JoinWindows

gracePeriodMs() - Method in class org.apache.kafka.streams.kstream.SessionWindows

gracePeriodMs() - Method in class org.apache.kafka.streams.kstream.TimeWindows

gracePeriodMs() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

gracePeriodMs() - Method in class org.apache.kafka.streams.kstream.Windows

Return the window grace period (the time to admit late-arriving events after the end of the window.) Lateness is defined as (stream_time - record_timestamp).

groupBy(KeyValueMapper<? super K, ? super V, KR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records of this KStream on a new key that is selected using the provided KeyValueMapper and default serializers and deserializers.

groupBy(KeyValueMapper<? super K, ? super V, KR>, Serialized<KR, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Deprecated.

since 2.1. Use KStream.groupBy(KeyValueMapper, Grouped) instead

groupBy(KeyValueMapper<? super K, ? super V, KR>, Grouped<KR, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records of this KStream on a new key that is selected using the provided KeyValueMapper and Serdes as specified by Grouped.

groupBy(KeyValueMapper<? super K, ? super V, KeyValue<KR, VR>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Re-groups the records of this KTable using the provided KeyValueMapper and default serializers and deserializers.

groupBy(KeyValueMapper<? super K, ? super V, KeyValue<KR, VR>>, Serialized<KR, VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

since 2.1. Use KTable.groupBy(KeyValueMapper, Grouped) instead

groupBy(KeyValueMapper<? super K, ? super V, KeyValue<KR, VR>>, Grouped<KR, VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Re-groups the records of this KTable using the provided KeyValueMapper and Serdes as specified by Grouped.

groupByKey() - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records by their current key into a KGroupedStream while preserving the original values and default serializers and deserializers.

groupByKey(Serialized<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Deprecated.

since 2.1. Use KStream.groupByKey(Grouped) instead

groupByKey(Grouped<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records by their current key into a KGroupedStream while preserving the original values and using the serializers as defined by Grouped.

Grouped<K,V> - Class in org.apache.kafka.streams.kstream

The class that is used to capture the key and value Serdes and set the part of name used for repartition topics when performing KStream.groupBy(KeyValueMapper, Grouped), KStream.groupByKey(Grouped), or KTable.groupBy(KeyValueMapper, Grouped) operations.

Grouped(Grouped<K, V>) - Constructor for class org.apache.kafka.streams.kstream.Grouped

H

handle(ProducerRecord<byte[], byte[]>, Exception) - Method in class org.apache.kafka.streams.errors.DefaultProductionExceptionHandler

handle(ProcessorContext, ConsumerRecord<byte[], byte[]>, Exception) - Method in interface org.apache.kafka.streams.errors.DeserializationExceptionHandler

Inspect a record and the exception received.

handle(ProcessorContext, ConsumerRecord<byte[], byte[]>, Exception) - Method in class org.apache.kafka.streams.errors.LogAndContinueExceptionHandler

handle(ProcessorContext, ConsumerRecord<byte[], byte[]>, Exception) - Method in class org.apache.kafka.streams.errors.LogAndFailExceptionHandler

handle(ProducerRecord<byte[], byte[]>, Exception) - Method in interface org.apache.kafka.streams.errors.ProductionExceptionHandler

Inspect a record that we attempted to produce, and the exception that resulted from attempting to produce it and determine whether or not to continue processing.

hashCode() - Method in class org.apache.kafka.streams.KeyValue

hashCode() - Method in class org.apache.kafka.streams.kstream.Consumed

hashCode() - Method in class org.apache.kafka.streams.kstream.JoinWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.Produced

hashCode() - Method in class org.apache.kafka.streams.kstream.SessionWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.TimeWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.Window

hashCode() - Method in class org.apache.kafka.streams.kstream.Windowed

hashCode() - Method in class org.apache.kafka.streams.processor.TaskId

hashCode() - Method in class org.apache.kafka.streams.processor.TaskMetadata

hashCode() - Method in class org.apache.kafka.streams.processor.ThreadMetadata

hashCode() - Method in class org.apache.kafka.streams.state.HostInfo

hashCode() - Method in class org.apache.kafka.streams.state.StreamsMetadata

headers() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the headers of the current input record; could be null if it is not available

headers() - Method in interface org.apache.kafka.streams.processor.RecordContext

host() - Method in class org.apache.kafka.streams.state.HostInfo

host() - Method in class org.apache.kafka.streams.state.StreamsMetadata

HostInfo - Class in org.apache.kafka.streams.state

Represents a user defined endpoint in a KafkaStreams application.

HostInfo(String, int) - Constructor for class org.apache.kafka.streams.state.HostInfo

hostInfo() - Method in class org.apache.kafka.streams.state.StreamsMetadata

I

id - Variable in enum org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse

the permanent and immutable id of an API--this can't change ever

id - Variable in enum org.apache.kafka.streams.errors.ProductionExceptionHandler.ProductionExceptionHandlerResponse

the permanent and immutable id of an API--this can't change ever

id() - Method in interface org.apache.kafka.streams.TopologyDescription.GlobalStore

id() - Method in interface org.apache.kafka.streams.TopologyDescription.Subtopology

Internally assigned unique ID.

inactivityGap() - Method in class org.apache.kafka.streams.kstream.SessionWindows

Return the specified gap for the session windows in milliseconds.

init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.Transformer

Initialize this transformer.

init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Initialize this transformer.

init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.ValueTransformerWithKey

Initialize this transformer.

init(ProcessorContext) - Method in class org.apache.kafka.streams.processor.AbstractProcessor

init(ProcessorContext) - Method in interface org.apache.kafka.streams.processor.Processor

Initialize this processor with the given context.

init(ProcessorContext, StateStore) - Method in interface org.apache.kafka.streams.processor.StateStore

Initializes this state store.

Initializer<VA> - Interface in org.apache.kafka.streams.kstream

The Initializer interface for creating an initial value in aggregations.

inMemoryKeyValueStore(String) - Static method in class org.apache.kafka.streams.state.Stores

Create an in-memory KeyValueBytesStoreSupplier.

InternalConfig() - Constructor for class org.apache.kafka.streams.StreamsConfig.InternalConfig

InvalidStateStoreException - Exception in org.apache.kafka.streams.errors

Indicates that there was a problem when trying to access a StateStore, i.e, the Store is no longer valid because it is closed or doesn't exist any more due to a rebalance.

InvalidStateStoreException(String) - Constructor for exception org.apache.kafka.streams.errors.InvalidStateStoreException

InvalidStateStoreException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.InvalidStateStoreException

InvalidStateStoreException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.InvalidStateStoreException

isOpen() - Method in interface org.apache.kafka.streams.processor.StateStore

Is this store open for reading and writing

isRunning() - Method in enum org.apache.kafka.streams.KafkaStreams.State

isValidTransition(KafkaStreams.State) - Method in enum org.apache.kafka.streams.KafkaStreams.State

J

join(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed inner equi join with default serializers and deserializers.

join(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows, Joined<K, V, VO>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed inner equi join using the Joined instance for configuration of the key serde, this stream's value serde, and the other stream's value serde.

join(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed inner equi join with default serializers and deserializers.

join(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>, Joined<K, V, VT>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed inner equi join with default serializers and deserializers.

join(GlobalKTable<GK, GV>, KeyValueMapper<? super K, ? super V, ? extends GK>, ValueJoiner<? super V, ? super GV, ? extends RV>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with GlobalKTable's records using non-windowed inner equi join.

join(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable with another KTable's records using non-windowed inner equi join, with default serializers, deserializers, and state store.

join(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable with another KTable's records using non-windowed inner equi join, with the Materialized instance for configuration of the key serde, the result table's value serde, and state store.

Joined<K,V,VO> - Class in org.apache.kafka.streams.kstream

The Joined class represents optional params that can be passed to KStream.join(org.apache.kafka.streams.kstream.KStream<K, VO>, org.apache.kafka.streams.kstream.ValueJoiner<? super V, ? super VO, ? extends VR>, org.apache.kafka.streams.kstream.JoinWindows), KStream.leftJoin(org.apache.kafka.streams.kstream.KStream<K, VO>, org.apache.kafka.streams.kstream.ValueJoiner<? super V, ? super VO, ? extends VR>, org.apache.kafka.streams.kstream.JoinWindows), and KStream.outerJoin(org.apache.kafka.streams.kstream.KStream<K, VO>, org.apache.kafka.streams.kstream.ValueJoiner<? super V, ? super VO, ? extends VR>, org.apache.kafka.streams.kstream.JoinWindows) operations.

JoinWindows - Class in org.apache.kafka.streams.kstream

The window specifications used for joins.

K

KafkaClientSupplier - Interface in org.apache.kafka.streams

KafkaClientSupplier can be used to provide custom Kafka clients to a KafkaStreams instance.

KafkaStreams - Class in org.apache.kafka.streams

A Kafka client that allows for performing continuous computation on input coming from one or more input topics and sends output to zero, one, or more output topics.

KafkaStreams(Topology, Properties) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams(Topology, Properties, KafkaClientSupplier) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams(Topology, Properties, Time) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams(Topology, Properties, KafkaClientSupplier, Time) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams(Topology, StreamsConfig) - Constructor for class org.apache.kafka.streams.KafkaStreams

Deprecated.

use KafkaStreams.KafkaStreams(Topology, Properties) instead

KafkaStreams(Topology, StreamsConfig, KafkaClientSupplier) - Constructor for class org.apache.kafka.streams.KafkaStreams

Deprecated.

use KafkaStreams.KafkaStreams(Topology, Properties, KafkaClientSupplier) instead

KafkaStreams(Topology, StreamsConfig, Time) - Constructor for class org.apache.kafka.streams.KafkaStreams

Deprecated.

use KafkaStreams.KafkaStreams(Topology, Properties, Time) instead

KafkaStreams.State - Enum in org.apache.kafka.streams

Kafka Streams states are the possible state that a Kafka Streams instance can be in.

KafkaStreams.StateListener - Interface in org.apache.kafka.streams

Listen to KafkaStreams.State change events.

key - Variable in class org.apache.kafka.streams.KeyValue

The key of the key-value pair.

key() - Method in class org.apache.kafka.streams.kstream.Windowed

Return the key of the window.

keyDeserializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the key deserializer.

keyFrom(byte[]) - Method in class org.apache.kafka.streams.state.StateSerdes

Deserialize the key from raw bytes.

keySerde - Variable in class org.apache.kafka.streams.kstream.Consumed

keySerde - Variable in class org.apache.kafka.streams.kstream.Grouped

keySerde(Serde<K>) - Static method in class org.apache.kafka.streams.kstream.Grouped

Create a Grouped instance with the provided keySerde.

keySerde(Serde<K>) - Static method in class org.apache.kafka.streams.kstream.Joined

Create an instance of Joined with a key Serde.

keySerde() - Method in class org.apache.kafka.streams.kstream.Joined

keySerde - Variable in class org.apache.kafka.streams.kstream.Materialized

keySerde - Variable in class org.apache.kafka.streams.kstream.Produced

keySerde(Serde<K>) - Static method in class org.apache.kafka.streams.kstream.Produced

Create a Produced instance with provided keySerde.

keySerde - Variable in class org.apache.kafka.streams.kstream.Serialized

Deprecated.

keySerde() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the default key serde

keySerde() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the key serde.

keySerializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the key serializer.

KeyValue<K,V> - Class in org.apache.kafka.streams

A key-value pair defined for a single Kafka Streams record.

KeyValue(K, V) - Constructor for class org.apache.kafka.streams.KeyValue

Create a new key-value pair.

KeyValueBytesStoreSupplier - Interface in org.apache.kafka.streams.state

A store supplier that can be used to create one or more KeyValueStore instances of type <Byte, byte[]>.

KeyValueIterator<K,V> - Interface in org.apache.kafka.streams.state

Iterator interface of KeyValue.

KeyValueMapper<K,V,VR> - Interface in org.apache.kafka.streams.kstream

The KeyValueMapper interface for mapping a key-value pair to a new value of arbitrary type.

KeyValueStore<K,V> - Interface in org.apache.kafka.streams.state

A key-value store that supports put/get/delete and range queries.

keyValueStore() - Static method in class org.apache.kafka.streams.state.QueryableStoreTypes

A QueryableStoreType that accepts ReadOnlyKeyValueStore

keyValueStoreBuilder(KeyValueBytesStoreSupplier, Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.state.Stores

Creates a StoreBuilder than can be used to build a KeyValueStore.

KGroupedStream<K,V> - Interface in org.apache.kafka.streams.kstream

KGroupedStream is an abstraction of a grouped record stream of KeyValue pairs.

KGroupedTable<K,V> - Interface in org.apache.kafka.streams.kstream

KGroupedTable is an abstraction of a re-grouped changelog stream from a primary-keyed table, usually on a different grouping key than the original primary key.

KStream<K,V> - Interface in org.apache.kafka.streams.kstream

KStream is an abstraction of a record stream of KeyValue pairs, i.e., each record is an independent entity/event in the real world.

KTable<K,V> - Interface in org.apache.kafka.streams.kstream

KTable is an abstraction of a changelog stream from a primary-keyed table.

L

label - Variable in class org.apache.kafka.streams.kstream.Printed

leftJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed left equi join with default serializers and deserializers.

leftJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows, Joined<K, V, VO>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed left equi join using the Joined instance for configuration of the key serde, this stream's value serde, and the other stream's value serde.

leftJoin(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed left equi join with default serializers and deserializers.

leftJoin(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>, Joined<K, V, VT>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed left equi join with default serializers and deserializers.

leftJoin(GlobalKTable<GK, GV>, KeyValueMapper<? super K, ? super V, ? extends GK>, ValueJoiner<? super V, ? super GV, ? extends RV>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with GlobalKTable's records using non-windowed left equi join.

leftJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed left equi join, with default serializers, deserializers, and state store.

leftJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed left equi join, with the Materialized instance for configuration of the key serde, the result table's value serde, and state store.

localThreadsMetadata() - Method in class org.apache.kafka.streams.KafkaStreams

Returns runtime information about the local threads of this KafkaStreams instance.

LockException - Exception in org.apache.kafka.streams.errors

Indicates that the state store directory lock could not be acquired because another thread holds the lock.

LockException(String) - Constructor for exception org.apache.kafka.streams.errors.LockException

LockException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.LockException

LockException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.LockException

LogAndContinueExceptionHandler - Class in org.apache.kafka.streams.errors

Deserialization handler that logs a deserialization exception and then signals the processing pipeline to continue processing more records.

LogAndContinueExceptionHandler() - Constructor for class org.apache.kafka.streams.errors.LogAndContinueExceptionHandler

LogAndFailExceptionHandler - Class in org.apache.kafka.streams.errors

Deserialization handler that logs a deserialization exception and then signals the processing pipeline to stop processing more records and fail.

LogAndFailExceptionHandler() - Constructor for class org.apache.kafka.streams.errors.LogAndFailExceptionHandler

LogAndSkipOnInvalidTimestamp - Class in org.apache.kafka.streams.processor

Retrieves embedded metadata timestamps from Kafka messages.

LogAndSkipOnInvalidTimestamp() - Constructor for class org.apache.kafka.streams.processor.LogAndSkipOnInvalidTimestamp

logConfig() - Method in interface org.apache.kafka.streams.state.StoreBuilder

Returns a Map containing any log configs that will be used when creating the changelog for the StateStore.

loggingEnabled - Variable in class org.apache.kafka.streams.kstream.Materialized

loggingEnabled() - Method in interface org.apache.kafka.streams.state.StoreBuilder

lruMap(String, int) - Static method in class org.apache.kafka.streams.state.Stores

Create a LRU Map KeyValueBytesStoreSupplier.

M

main(String[]) - Static method in class org.apache.kafka.streams.StreamsConfig

MAIN_CONSUMER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to override consumer configs for the main consumer client from the general consumer client configs.

mainConsumerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.MAIN_CONSUMER_PREFIX.

maintainMs() - Method in class org.apache.kafka.streams.kstream.JoinWindows

Deprecated.

since 2.1. Use JoinWindows.gracePeriodMs() instead.

maintainMs() - Method in class org.apache.kafka.streams.kstream.SessionWindows

Deprecated.

since 2.1. Use Materialized.retention instead.

maintainMs() - Method in class org.apache.kafka.streams.kstream.TimeWindows

Deprecated.

since 2.1. Use Materialized.retention instead.

maintainMs() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Deprecated.

since 2.1. Use Materialized.retention instead.

maintainMs() - Method in class org.apache.kafka.streams.kstream.Windows

Deprecated.

since 2.1. Use Materialized.retention instead.

map(KeyValueMapper<? super K, ? super V, ? extends KeyValue<? extends KR, ? extends VR>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform each record of the input stream into a new record in the output stream (both key and value type can be altered arbitrarily).

mapper - Variable in class org.apache.kafka.streams.kstream.Printed

mapValues(ValueMapper<? super V, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform the value of each input record into a new value (with possible new type) of the output record.

mapValues(ValueMapperWithKey<? super K, ? super V, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform the value of each input record into a new value (with possible new type) of the output record.

mapValues(ValueMapper<? super V, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possibly a new type) in the new KTable, with default serializers, deserializers, and state store.

mapValues(ValueMapperWithKey<? super K, ? super V, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possibly a new type) in the new KTable, with default serializers, deserializers, and state store.

mapValues(ValueMapper<? super V, ? extends VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possibly a new type) in the new KTable, with the key serde, value serde, and the underlying materialized state storage configured in the Materialized instance.

mapValues(ValueMapperWithKey<? super K, ? super V, ? extends VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possibly a new type) in the new KTable, with the key serde, value serde, and the underlying materialized state storage configured in the Materialized instance.

Materialized<K,V,S extends StateStore> - Class in org.apache.kafka.streams.kstream

Used to describe how a StateStore should be materialized.

Materialized(Materialized<K, V, S>) - Constructor for class org.apache.kafka.streams.kstream.Materialized

Copy constructor.

MAX_TASK_IDLE_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

max.task.idle.ms

maxBytes(long) - Static method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Create a size-constrained buffer in terms of the maximum number of bytes it will use.

maxNumPartitions(Cluster, Set<String>) - Method in class org.apache.kafka.streams.processor.DefaultPartitionGrouper

maxRecords(long) - Static method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Create a size-constrained buffer in terms of the maximum number of keys it will store.

merge(KStream<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Merge this stream and the given stream into one larger stream.

Merger<K,V> - Interface in org.apache.kafka.streams.kstream

The interface for merging aggregate values for SessionWindows with the given key.

METADATA_MAX_AGE_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metadata.max.age.ms

metadataForKey(String, K, Serializer<K>) - Method in class org.apache.kafka.streams.KafkaStreams

Find the currently running KafkaStreams instance (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and that contain a StateStore with the given storeName and the StateStore contains the given key and return StreamsMetadata for it.

metadataForKey(String, K, StreamPartitioner<? super K, ?>) - Method in class org.apache.kafka.streams.KafkaStreams

Find the currently running KafkaStreams instance (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and that contain a StateStore with the given storeName and the StateStore contains the given key and return StreamsMetadata for it.

METRIC_REPORTER_CLASSES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metric.reporters

metrics() - Method in class org.apache.kafka.streams.KafkaStreams

Get read-only handle on global metrics registry, including streams client's own metrics plus its embedded consumer clients' metrics.

metrics() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns Metrics instance

metrics() - Method in interface org.apache.kafka.streams.StreamsMetrics

Get read-only handle on global metrics registry.

METRICS_NUM_SAMPLES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metrics.num.samples

METRICS_RECORDING_LEVEL_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metrics.record.level

METRICS_SAMPLE_WINDOW_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metrics.sample.window.ms

metricsScope() - Method in interface org.apache.kafka.streams.state.StoreSupplier

Return a String that is used as the scope for metrics recorded by Metered stores.

migratedTask() - Method in exception org.apache.kafka.streams.errors.TaskMigratedException

N

name - Variable in enum org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse

an english description of the api--this is for debugging and can change

name - Variable in enum org.apache.kafka.streams.errors.ProductionExceptionHandler.ProductionExceptionHandlerResponse

an english description of the api--this is for debugging and can change

name - Variable in class org.apache.kafka.streams.kstream.Grouped

name() - Method in class org.apache.kafka.streams.kstream.Joined

name() - Method in interface org.apache.kafka.streams.processor.StateStore

The name of this store.

name() - Method in interface org.apache.kafka.streams.state.StoreBuilder

Return the name of this state store builder.

name() - Method in interface org.apache.kafka.streams.state.StoreSupplier

Return the name of this state store supplier.

name() - Method in interface org.apache.kafka.streams.TopologyDescription.Node

The name of the node.

named(String) - Static method in class org.apache.kafka.streams.kstream.Joined

Create an instance of Joined with base name for all components of the join, this may include any repartition topics created to complete the join.

NO_OPTIMIZATION - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter (@link #TOPOLOGY_OPTIMIZATION "topology.optimization" for disabling topology optimization

nodes() - Method in interface org.apache.kafka.streams.TopologyDescription.Subtopology

All nodes of this sub-topology.

NOT_AVAILABLE - Static variable in class org.apache.kafka.streams.state.StreamsMetadata

Sentinel to indicate that the StreamsMetadata is currently unavailable.

NUM_STANDBY_REPLICAS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

num.standby.replicas

NUM_STREAM_THREADS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

num.stream.threads

O

of(long) - Static method in class org.apache.kafka.streams.kstream.JoinWindows

Deprecated.

Use JoinWindows.of(Duration) instead.

of(Duration) - Static method in class org.apache.kafka.streams.kstream.JoinWindows

Specifies that records of the same key are joinable if their timestamps are within timeDifference, i.e., the timestamp of a record from the secondary stream is max timeDifference earlier or later than the timestamp of the record from the primary stream.

of(long) - Static method in class org.apache.kafka.streams.kstream.TimeWindows

Deprecated.

Use TimeWindows.of(Duration) instead

of(Duration) - Static method in class org.apache.kafka.streams.kstream.TimeWindows

Return a window definition with the given window size, and with the advance interval being equal to the window size.

of() - Static method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return an unlimited window starting at timestamp zero.

offset() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the offset of the current input record; could be -1 if it is not available (for example, if this method is invoked from the punctuate call)

offset() - Method in interface org.apache.kafka.streams.processor.RecordContext

onBatchRestored(TopicPartition, String, long, long) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingBatchingRestoreCallback

onBatchRestored(TopicPartition, String, long, long) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingRestoreCallback

onBatchRestored(TopicPartition, String, long, long) - Method in interface org.apache.kafka.streams.processor.StateRestoreListener

Method called after restoring a batch of records.

onChange(KafkaStreams.State, KafkaStreams.State) - Method in interface org.apache.kafka.streams.KafkaStreams.StateListener

Called when state changes.

onInvalidTimestamp(ConsumerRecord<Object, Object>, long, long) - Method in class org.apache.kafka.streams.processor.FailOnInvalidTimestamp

Raises an exception on every call.

onInvalidTimestamp(ConsumerRecord<Object, Object>, long, long) - Method in class org.apache.kafka.streams.processor.LogAndSkipOnInvalidTimestamp

Writes a log WARN message when the extracted timestamp is invalid (negative) but returns the invalid timestamp as-is, which ultimately causes the record to be skipped and not to be processed.

onInvalidTimestamp(ConsumerRecord<Object, Object>, long, long) - Method in class org.apache.kafka.streams.processor.UsePreviousTimeOnInvalidTimestamp

Returns the current stream-time as new timestamp for the record.

onRestoreEnd(TopicPartition, String, long) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingBatchingRestoreCallback

onRestoreEnd(TopicPartition, String, long) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingRestoreCallback

onRestoreEnd(TopicPartition, String, long) - Method in interface org.apache.kafka.streams.processor.StateRestoreListener

Method called when restoring the StateStore is complete.

onRestoreStart(TopicPartition, String, long, long) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingBatchingRestoreCallback

onRestoreStart(TopicPartition, String, long, long) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingRestoreCallback

onRestoreStart(TopicPartition, String, long, long) - Method in interface org.apache.kafka.streams.processor.StateRestoreListener

Method called at the very beginning of StateStore restoration.

OPTIMIZE - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter (@link #TOPOLOGY_OPTIMIZATION "topology.optimization" for enabling topology optimization

org.apache.kafka.streams - package org.apache.kafka.streams

org.apache.kafka.streams.errors - package org.apache.kafka.streams.errors

org.apache.kafka.streams.kstream - package org.apache.kafka.streams.kstream

org.apache.kafka.streams.processor - package org.apache.kafka.streams.processor

org.apache.kafka.streams.state - package org.apache.kafka.streams.state

otherValueSerde(Serde<VO>) - Static method in class org.apache.kafka.streams.kstream.Joined

Create an instance of Joined with an other value Serde.

otherValueSerde() - Method in class org.apache.kafka.streams.kstream.Joined

outerJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed outer equi join with default serializers and deserializers.

outerJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows, Joined<K, V, VO>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed outer equi join using the Joined instance for configuration of the key serde, this stream's value serde, and the other stream's value serde.

outerJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed outer equi join, with default serializers, deserializers, and state store.

outerJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed outer equi join, with the Materialized instance for configuration of the key serde, the result table's value serde, and state store.

outputStream - Variable in class org.apache.kafka.streams.kstream.Printed

overlap(Window) - Method in class org.apache.kafka.streams.kstream.Window

Check if the given window overlaps with this window.

P

pair(K, V) - Static method in class org.apache.kafka.streams.KeyValue

Create a new key-value pair.

parse(String) - Static method in class org.apache.kafka.streams.processor.TaskId

partition() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the partition id of the current input record; could be -1 if it is not available (for example, if this method is invoked from the punctuate call)

partition() - Method in interface org.apache.kafka.streams.processor.RecordContext

partition(String, K, V, int) - Method in interface org.apache.kafka.streams.processor.StreamPartitioner

Determine the partition number for a record with the given key and value and the current number of partitions.

partition - Variable in class org.apache.kafka.streams.processor.TaskId

The ID of the partition.

PARTITION_GROUPER_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

partition.grouper

partitioner - Variable in class org.apache.kafka.streams.kstream.Produced

PartitionGrouper - Interface in org.apache.kafka.streams.processor

A partition grouper that generates partition groups given the list of topic-partitions.

partitionGroups(Map<Integer, Set<String>>, Cluster) - Method in class org.apache.kafka.streams.processor.DefaultPartitionGrouper

Generate tasks with the assigned topic partitions.

partitionGroups(Map<Integer, Set<String>>, Cluster) - Method in interface org.apache.kafka.streams.processor.PartitionGrouper

Returns a map of task ids to groups of partitions.

peek(ForeachAction<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Perform an action on each record of KStream.

peekNextKey() - Method in interface org.apache.kafka.streams.state.KeyValueIterator

Peek at the next key without advancing the iterator

persistent() - Method in interface org.apache.kafka.streams.processor.StateStore

Return if the storage is persistent or not.

persistentKeyValueStore(String) - Static method in class org.apache.kafka.streams.state.Stores

Create a persistent KeyValueBytesStoreSupplier.

persistentSessionStore(String, long) - Static method in class org.apache.kafka.streams.state.Stores

Deprecated.

since 2.1 Use Stores.persistentSessionStore(String, Duration) instead

persistentSessionStore(String, Duration) - Static method in class org.apache.kafka.streams.state.Stores

Create a persistent SessionBytesStoreSupplier.

persistentWindowStore(String, long, int, long, boolean) - Static method in class org.apache.kafka.streams.state.Stores

Deprecated.

since 2.1 Use Stores.persistentWindowStore(String, Duration, Duration, boolean) instead

persistentWindowStore(String, Duration, Duration, boolean) - Static method in class org.apache.kafka.streams.state.Stores

Create a persistent WindowBytesStoreSupplier.

POLL_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

poll.ms

port() - Method in class org.apache.kafka.streams.state.HostInfo

port() - Method in class org.apache.kafka.streams.state.StreamsMetadata

postProcessParsedConfig(Map<String, Object>) - Method in class org.apache.kafka.streams.StreamsConfig

predecessors() - Method in interface org.apache.kafka.streams.TopologyDescription.Node

The predecessors of this node within a sub-topology.

Predicate<K,V> - Interface in org.apache.kafka.streams.kstream

The Predicate interface represents a predicate (boolean-valued function) of a KeyValue pair.

print(Printed<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Print the records of this KStream using the options provided by Printed Note that this is mainly for debugging/testing purposes, and it will try to flush on each record print.

Printed<K,V> - Class in org.apache.kafka.streams.kstream

An object to define the options used when printing a KStream.

Printed(Printed<K, V>) - Constructor for class org.apache.kafka.streams.kstream.Printed

Copy constructor.

process(ProcessorSupplier<? super K, ? super V>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Process all records in this stream, one record at a time, by applying a Processor (provided by the given ProcessorSupplier).

process(K, V) - Method in interface org.apache.kafka.streams.processor.Processor

Process the record with the given key and value.

PROCESSING_GUARANTEE_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

processing.guarantee

Processor<K,V> - Interface in org.apache.kafka.streams.processor

A processor of key-value pair records.

processor() - Method in interface org.apache.kafka.streams.TopologyDescription.GlobalStore

The processor node maintaining the global store.

ProcessorContext - Interface in org.apache.kafka.streams.processor

Processor context interface.

ProcessorStateException - Exception in org.apache.kafka.streams.errors

Indicates a processor state operation (e.g.

ProcessorStateException(String) - Constructor for exception org.apache.kafka.streams.errors.ProcessorStateException

ProcessorStateException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.ProcessorStateException

ProcessorStateException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.ProcessorStateException

ProcessorSupplier<K,V> - Interface in org.apache.kafka.streams.processor

A processor supplier that can create one or more Processor instances.

Produced<K,V> - Class in org.apache.kafka.streams.kstream

This class is used to provide the optional parameters when producing to new topics using KStream.through(String, Produced) or KStream.to(String, Produced).

Produced(Produced<K, V>) - Constructor for class org.apache.kafka.streams.kstream.Produced

PRODUCER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to isolate producer configs from other client configs.

producerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.PRODUCER_PREFIX.

ProductionExceptionHandler - Interface in org.apache.kafka.streams.errors

Interface that specifies how an exception when attempting to produce a result to Kafka should be handled.

ProductionExceptionHandler.ProductionExceptionHandlerResponse - Enum in org.apache.kafka.streams.errors

punctuate(long) - Method in interface org.apache.kafka.streams.processor.Punctuator

Perform the scheduled periodic operation.

PunctuationType - Enum in org.apache.kafka.streams.processor

Controls what notion of time is used for punctuation scheduled via ProcessorContext.schedule(Duration, PunctuationType, Punctuator) schedule}: STREAM_TIME - uses "stream time", which is advanced by the processing of messages in accordance with the timestamp as extracted by the TimestampExtractor in use.

Punctuator - Interface in org.apache.kafka.streams.processor

A functional interface used as an argument to ProcessorContext.schedule(Duration, PunctuationType, Punctuator).

put(K, V) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Update the value associated with this key.

put(Windowed<K>, AGG) - Method in interface org.apache.kafka.streams.state.SessionStore

Write the aggregated value for the provided key to the store

put(K, V) - Method in interface org.apache.kafka.streams.state.WindowStore

Use the current record timestamp as the windowStartTimestamp and delegate to WindowStore.put(Object, Object, long).

put(K, V, long) - Method in interface org.apache.kafka.streams.state.WindowStore

Put a key-value pair with the given timestamp into the corresponding window

putAll(List<KeyValue<K, V>>) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Update all the given key/value pairs.

putIfAbsent(K, V) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Update the value associated with this key, unless a value is already associated with the key.

Q

queryableStoreName() - Method in interface org.apache.kafka.streams.kstream.GlobalKTable

Get the name of the local state store that can be used to query this GlobalKTable.

queryableStoreName() - Method in interface org.apache.kafka.streams.kstream.KTable

Get the name of the local state store used that can be used to query this KTable.

QueryableStoreType<T> - Interface in org.apache.kafka.streams.state

Used to enable querying of custom StateStore types via the KafkaStreams API.

QueryableStoreTypes - Class in org.apache.kafka.streams.state

Provides access to the QueryableStoreTypes provided with KafkaStreams.

QueryableStoreTypes() - Constructor for class org.apache.kafka.streams.state.QueryableStoreTypes

R

range(K, K) - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Get an iterator over a given range of keys.

rawKey(K) - Method in class org.apache.kafka.streams.state.StateSerdes

Serialize the given key.

rawValue(V) - Method in class org.apache.kafka.streams.state.StateSerdes

Serialize the given value.

readFrom(DataInputStream) - Static method in class org.apache.kafka.streams.processor.TaskId

readFrom(ByteBuffer) - Static method in class org.apache.kafka.streams.processor.TaskId

ReadOnlyKeyValueStore<K,V> - Interface in org.apache.kafka.streams.state

A key-value store that only supports read operations.

ReadOnlySessionStore<K,AGG> - Interface in org.apache.kafka.streams.state

A session store that only supports read operations.

ReadOnlyWindowStore<K,V> - Interface in org.apache.kafka.streams.state

A window store that only supports read operations Implementations should be thread-safe as concurrent reads and writes are expected.

RECEIVE_BUFFER_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

receive.buffer.bytes

RECONNECT_BACKOFF_MAX_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

reconnect.backoff.max

RECONNECT_BACKOFF_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

reconnect.backoff.ms

RecordContext - Interface in org.apache.kafka.streams.processor

The context associated with the current record being processed by an Processor

recordLatency(Sensor, long, long) - Method in interface org.apache.kafka.streams.StreamsMetrics

Record the given latency value of the sensor.

recordThroughput(Sensor, long) - Method in interface org.apache.kafka.streams.StreamsMetrics

Record the throughput value of a sensor.

reduce(Reducer<V>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the values of records in this stream by the grouped key.

reduce(Reducer<V>, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the value of records in this stream by the grouped key.

reduce(Reducer<V>, Reducer<V>, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Combine the value of records of the original KTable that got mapped to the same key into a new instance of KTable.

reduce(Reducer<V>, Reducer<V>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Combine the value of records of the original KTable that got mapped to the same key into a new instance of KTable.

reduce(Reducer<V>) - Method in interface org.apache.kafka.streams.kstream.SessionWindowedKStream

Combine values of this stream by the grouped key into SessionWindows.

reduce(Reducer<V>, Materialized<K, V, SessionStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.SessionWindowedKStream

Combine values of this stream by the grouped key into SessionWindows.

reduce(Reducer<V>) - Method in interface org.apache.kafka.streams.kstream.TimeWindowedKStream

Combine the values of records in this stream by the grouped key.

reduce(Reducer<V>, Materialized<K, V, WindowStore<Bytes, byte[]>>) - Method in interface org.apache.kafka.streams.kstream.TimeWindowedKStream

Combine the values of records in this stream by the grouped key.

Reducer<V> - Interface in org.apache.kafka.streams.kstream

The Reducer interface for combining two values of the same type into a new value.

register(StateStore, StateRestoreCallback) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Registers and possibly restores the specified storage engine.

remove(Windowed<K>) - Method in interface org.apache.kafka.streams.state.SessionStore

Remove the session aggregated with provided Windowed key from the store

removeSensor(Sensor) - Method in interface org.apache.kafka.streams.StreamsMetrics

Remove a sensor.

REPLICATION_FACTOR_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

replication.factor

REQUEST_TIMEOUT_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

request.timeout.ms

resetPolicy - Variable in class org.apache.kafka.streams.kstream.Consumed

restore(byte[], byte[]) - Method in class org.apache.kafka.streams.processor.AbstractNotifyingBatchingRestoreCallback

Single put restore operations not supported, please use AbstractNotifyingRestoreCallback or StateRestoreCallback instead for single action restores.

restore(byte[], byte[]) - Method in interface org.apache.kafka.streams.processor.StateRestoreCallback

RESTORE_CONSUMER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to override consumer configs for the restore consumer client from the general consumer client configs.

restoreAll(Collection<KeyValue<byte[], byte[]>>) - Method in interface org.apache.kafka.streams.processor.BatchingStateRestoreCallback

Called to restore a number of records.

restoreConsumerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.RESTORE_CONSUMER_PREFIX.

retainDuplicates() - Method in interface org.apache.kafka.streams.state.WindowBytesStoreSupplier

Whether or not this store is retaining duplicate keys.

retention - Variable in class org.apache.kafka.streams.kstream.Materialized

retentionPeriod() - Method in interface org.apache.kafka.streams.state.SessionBytesStoreSupplier

The time period for which the SessionStore will retain historic data.

retentionPeriod() - Method in interface org.apache.kafka.streams.state.WindowBytesStoreSupplier

The time period for which the WindowStore will retain historic data.

RETRIES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

retries

RETRY_BACKOFF_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

retry.backoff.ms

ROCKSDB_CONFIG_SETTER_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

rocksdb.config.setter

RocksDBConfigSetter - Interface in org.apache.kafka.streams.state

An interface to that allows developers to customize the RocksDB settings for a given Store.

S

schedule(long, PunctuationType, Punctuator) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Deprecated.

Use ProcessorContext.schedule(Duration, PunctuationType, Punctuator) instead

schedule(Duration, PunctuationType, Punctuator) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Schedules a periodic operation for processors.

SECURITY_PROTOCOL_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

security.protocol

segmentIntervalMs() - Method in interface org.apache.kafka.streams.state.SessionBytesStoreSupplier

The size of a segment, in milliseconds.

segmentIntervalMs() - Method in interface org.apache.kafka.streams.state.WindowBytesStoreSupplier

The size of the segments (in milliseconds) the store has.

segments - Variable in class org.apache.kafka.streams.kstream.Windows

Deprecated.

segments(int) - Method in class org.apache.kafka.streams.kstream.Windows

Deprecated.

since 2.1 Override segmentInterval() instead.

segments() - Method in interface org.apache.kafka.streams.state.WindowBytesStoreSupplier

Deprecated.

since 2.1. Use WindowBytesStoreSupplier.segmentIntervalMs() instead.

selectKey(KeyValueMapper<? super K, ? super V, ? extends KR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Set a new key (with possibly new type) for each input record.

SEND_BUFFER_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

send.buffer.bytes

serialize(String, Windowed<T>) - Method in class org.apache.kafka.streams.kstream.SessionWindowedSerializer

serialize(String, Windowed<T>) - Method in class org.apache.kafka.streams.kstream.TimeWindowedSerializer

serializeBaseKey(String, Windowed<T>) - Method in class org.apache.kafka.streams.kstream.SessionWindowedSerializer

serializeBaseKey(String, Windowed<T>) - Method in class org.apache.kafka.streams.kstream.TimeWindowedSerializer

Serialized<K,V> - Class in org.apache.kafka.streams.kstream

Deprecated.

since 2.1. Use org.apache.kafka.streams.kstream.Grouped) instead

Serialized(Serialized<K, V>) - Constructor for class org.apache.kafka.streams.kstream.Serialized

Deprecated.

SessionBytesStoreSupplier - Interface in org.apache.kafka.streams.state

A store supplier that can be used to create one or more SessionStore<Byte, byte[]> instances.

sessionStore() - Static method in class org.apache.kafka.streams.state.QueryableStoreTypes

A QueryableStoreType that accepts ReadOnlySessionStore

SessionStore<K,AGG> - Interface in org.apache.kafka.streams.state

Interface for storing the aggregated values of sessions

sessionStoreBuilder(SessionBytesStoreSupplier, Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.state.Stores

Creates a StoreBuilder that can be used to build a SessionStore.

SessionWindowedDeserializer<T> - Class in org.apache.kafka.streams.kstream

The inner serde class can be specified by setting the property StreamsConfig.DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS or StreamsConfig.DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS if the no-arg constructor is called and hence it is not passed during initialization.

SessionWindowedDeserializer() - Constructor for class org.apache.kafka.streams.kstream.SessionWindowedDeserializer

SessionWindowedDeserializer(Deserializer<T>) - Constructor for class org.apache.kafka.streams.kstream.SessionWindowedDeserializer

SessionWindowedKStream<K,V> - Interface in org.apache.kafka.streams.kstream

SessionWindowedKStream is an abstraction of a windowed record stream of KeyValue pairs.

SessionWindowedSerde() - Constructor for class org.apache.kafka.streams.kstream.WindowedSerdes.SessionWindowedSerde

SessionWindowedSerde(Serde<T>) - Constructor for class org.apache.kafka.streams.kstream.WindowedSerdes.SessionWindowedSerde

sessionWindowedSerdeFrom(Class<T>) - Static method in class org.apache.kafka.streams.kstream.WindowedSerdes

Construct a SessionWindowedSerde object for the specified inner class type.

SessionWindowedSerializer<T> - Class in org.apache.kafka.streams.kstream

The inner serde class can be specified by setting the property StreamsConfig.DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS or StreamsConfig.DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS if the no-arg constructor is called and hence it is not passed during initialization.

SessionWindowedSerializer() - Constructor for class org.apache.kafka.streams.kstream.SessionWindowedSerializer

SessionWindowedSerializer(Serializer<T>) - Constructor for class org.apache.kafka.streams.kstream.SessionWindowedSerializer

SessionWindows - Class in org.apache.kafka.streams.kstream

A session based window specification used for aggregating events into sessions.

setConfig(String, Options, Map<String, Object>) - Method in interface org.apache.kafka.streams.state.RocksDBConfigSetter

Set the rocks db options for the provided storeName.

setGlobalStateRestoreListener(StateRestoreListener) - Method in class org.apache.kafka.streams.KafkaStreams

Set the listener which is triggered whenever a StateStore is being restored in order to resume processing.

setStateListener(KafkaStreams.StateListener) - Method in class org.apache.kafka.streams.KafkaStreams

An app can set a single KafkaStreams.StateListener so that the app is notified when state changes.

setUncaughtExceptionHandler(Thread.UncaughtExceptionHandler) - Method in class org.apache.kafka.streams.KafkaStreams

Set the handler invoked when a internal thread abruptly terminates due to an uncaught exception.

shutDownWhenFull() - Method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Set the buffer to gracefully shut down the application when any of its constraints are violated This buffer is "strict" in the sense that it will enforce the time bound or shut down.

size() - Method in class org.apache.kafka.streams.kstream.JoinWindows

size() - Method in class org.apache.kafka.streams.kstream.TimeWindows

size() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return the size of the specified windows in milliseconds.

size() - Method in class org.apache.kafka.streams.kstream.Windows

Return the size of the specified windows in milliseconds.

sizeMs - Variable in class org.apache.kafka.streams.kstream.TimeWindows

The size of the windows in milliseconds.

source() - Method in interface org.apache.kafka.streams.TopologyDescription.GlobalStore

The source node reading from a "global" topic.

standbyTasks() - Method in class org.apache.kafka.streams.processor.ThreadMetadata

start() - Method in class org.apache.kafka.streams.KafkaStreams

Start the KafkaStreams instance by starting all its threads.

start() - Method in class org.apache.kafka.streams.kstream.Window

Return the start timestamp of this window.

startMs - Variable in class org.apache.kafka.streams.kstream.UnlimitedWindows

The start timestamp of the window.

startMs - Variable in class org.apache.kafka.streams.kstream.Window

startOn(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Deprecated.

Use UnlimitedWindows.startOn(Instant) instead

startOn(Instant) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return a new unlimited window for the specified start timestamp.

startTime() - Method in class org.apache.kafka.streams.kstream.Window

Return the start time of this window.

state - Variable in class org.apache.kafka.streams.KafkaStreams

state() - Method in class org.apache.kafka.streams.KafkaStreams

Return the current KafkaStreams.State of this KafkaStreams instance.

STATE_CLEANUP_DELAY_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

state.cleanup.delay

STATE_DIR_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

state.dir

stateDir() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the state directory for the partition.

StateRestoreCallback - Interface in org.apache.kafka.streams.processor

Restoration logic for log-backed state stores upon restart, it takes one record at a time from the logs to apply to the restoring state.

StateRestoreListener - Interface in org.apache.kafka.streams.processor

Class for listening to various states of the restoration process of a StateStore.

StateSerdes<K,V> - Class in org.apache.kafka.streams.state

Factory for creating serializers / deserializers for state stores in Kafka Streams.

StateSerdes(String, Serde<K>, Serde<V>) - Constructor for class org.apache.kafka.streams.state.StateSerdes

Create a context for serialization using the specified serializers and deserializers which must match the key and value types used as parameters for this object; the state changelog topic is provided to bind this serde factory to, so that future calls for serialize / deserialize do not need to provide the topic name any more.

StateStore - Interface in org.apache.kafka.streams.processor

A storage engine for managing state maintained by a stream processor.

stateStoreNames() - Method in class org.apache.kafka.streams.state.StreamsMetadata

store(String, QueryableStoreType<T>) - Method in class org.apache.kafka.streams.KafkaStreams

Get a facade wrapping the local StateStore instances with the provided storeName if the Store's type is accepted by the provided queryableStoreType.

StoreBuilder<T extends StateStore> - Interface in org.apache.kafka.streams.state

Build a StateStore wrapped with optional caching and logging.

storeName - Variable in class org.apache.kafka.streams.kstream.Materialized

Stores - Class in org.apache.kafka.streams.state

Factory for creating state stores in Kafka Streams.

Stores() - Constructor for class org.apache.kafka.streams.state.Stores

stores() - Method in interface org.apache.kafka.streams.TopologyDescription.Processor

The names of all connected stores.

storeSupplier - Variable in class org.apache.kafka.streams.kstream.Materialized

StoreSupplier<T extends StateStore> - Interface in org.apache.kafka.streams.state

A state store supplier which can create one or more StateStore instances.

stream(String) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KStream from the specified topics.

stream(String, Consumed<K, V>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KStream from the specified topics.

stream(Collection<String>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KStream from the specified topics.

stream(Collection<String>, Consumed<K, V>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KStream from the specified topics.

stream(Pattern) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KStream from the specified topic pattern.

stream(Pattern, Consumed<K, V>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KStream from the specified topic pattern.

streamPartitioner(StreamPartitioner<? super K, ? super V>) - Static method in class org.apache.kafka.streams.kstream.Produced

Create a Produced instance with provided partitioner.

StreamPartitioner<K,V> - Interface in org.apache.kafka.streams.processor

Determine how records are distributed among the partitions in a Kafka topic.

StreamsBuilder - Class in org.apache.kafka.streams

StreamsBuilder provide the high-level Kafka Streams DSL to specify a Kafka Streams topology.

StreamsBuilder() - Constructor for class org.apache.kafka.streams.StreamsBuilder

StreamsConfig - Class in org.apache.kafka.streams

Configuration for a KafkaStreams instance.

StreamsConfig(Map<?, ?>) - Constructor for class org.apache.kafka.streams.StreamsConfig

Create a new StreamsConfig using the given properties.

StreamsConfig(Map<?, ?>, boolean) - Constructor for class org.apache.kafka.streams.StreamsConfig

StreamsConfig.InternalConfig - Class in org.apache.kafka.streams

StreamsException - Exception in org.apache.kafka.streams.errors

StreamsException is the top-level exception type generated by Kafka Streams.

StreamsException(String) - Constructor for exception org.apache.kafka.streams.errors.StreamsException

StreamsException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.StreamsException

StreamsException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.StreamsException

StreamsMetadata - Class in org.apache.kafka.streams.state

Represents the state of an instance (process) in a KafkaStreams application.

StreamsMetadata(HostInfo, Set<String>, Set<TopicPartition>) - Constructor for class org.apache.kafka.streams.state.StreamsMetadata

StreamsMetrics - Interface in org.apache.kafka.streams

The Kafka Streams metrics interface for adding metric sensors and collecting metric values.

subtopologies() - Method in interface org.apache.kafka.streams.TopologyDescription

All sub-topologies of the represented topology.

successors() - Method in interface org.apache.kafka.streams.TopologyDescription.Node

The successor of this node within a sub-topology.

suppress(Suppressed<? super K>) - Method in interface org.apache.kafka.streams.kstream.KTable

Suppress some updates from this changelog stream, determined by the supplied Suppressed configuration.

Suppressed<K> - Interface in org.apache.kafka.streams.kstream

Suppressed.BufferConfig<BC extends Suppressed.BufferConfig<BC>> - Interface in org.apache.kafka.streams.kstream

Suppressed.StrictBufferConfig - Interface in org.apache.kafka.streams.kstream

Marker interface for a buffer configuration that is "strict" in the sense that it will strictly enforce the time bound and never emit early.

T

table(String, Consumed<K, V>, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KTable for the specified topic.

table(String) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KTable for the specified topic.

table(String, Consumed<K, V>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KTable for the specified topic.

table(String, Materialized<K, V, KeyValueStore<Bytes, byte[]>>) - Method in class org.apache.kafka.streams.StreamsBuilder

Create a KTable for the specified topic.

TASK_MANAGER_FOR_PARTITION_ASSIGNOR - Static variable in class org.apache.kafka.streams.StreamsConfig.InternalConfig

TaskAssignmentException - Exception in org.apache.kafka.streams.errors

Indicates a run time error incurred while trying to assign stream tasks to threads.

TaskAssignmentException(String) - Constructor for exception org.apache.kafka.streams.errors.TaskAssignmentException

TaskAssignmentException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskAssignmentException

TaskAssignmentException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskAssignmentException

taskId() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the task id

TaskId - Class in org.apache.kafka.streams.processor

The task ID representation composed as topic group ID plus the assigned partition ID.

TaskId(int, int) - Constructor for class org.apache.kafka.streams.processor.TaskId

taskId() - Method in class org.apache.kafka.streams.processor.TaskMetadata

TaskIdFormatException - Exception in org.apache.kafka.streams.errors

Indicates a run time error incurred while trying parse the task id from the read string.

TaskIdFormatException(String) - Constructor for exception org.apache.kafka.streams.errors.TaskIdFormatException

TaskIdFormatException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskIdFormatException

TaskIdFormatException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskIdFormatException

TaskMetadata - Class in org.apache.kafka.streams.processor

Represents the state of a single task running within a KafkaStreams application.

TaskMetadata(String, Set<TopicPartition>) - Constructor for class org.apache.kafka.streams.processor.TaskMetadata

TaskMigratedException - Exception in org.apache.kafka.streams.errors

Indicates that a task got migrated to another thread.

TaskMigratedException() - Constructor for exception org.apache.kafka.streams.errors.TaskMigratedException

TaskMigratedException(Task, TopicPartition, long, long) - Constructor for exception org.apache.kafka.streams.errors.TaskMigratedException

TaskMigratedException(Task) - Constructor for exception org.apache.kafka.streams.errors.TaskMigratedException

TaskMigratedException(Task, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskMigratedException

test(K, V) - Method in interface org.apache.kafka.streams.kstream.Predicate

Test if the record with the given key and value satisfies the predicate.

ThreadMetadata - Class in org.apache.kafka.streams.processor

Represents the state of a single thread running within a KafkaStreams application.

ThreadMetadata(String, String, Set<TaskMetadata>, Set<TaskMetadata>) - Constructor for class org.apache.kafka.streams.processor.ThreadMetadata

threadName() - Method in class org.apache.kafka.streams.processor.ThreadMetadata

threads - Variable in class org.apache.kafka.streams.KafkaStreams

threadState() - Method in class org.apache.kafka.streams.processor.ThreadMetadata

through(String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic and creates a new KStream from the topic using default serializers, deserializers, and producer's DefaultPartitioner.

through(String, Produced<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic and creates a new KStream from the topic using the Produced instance for configuration of the key serde, value serde, and StreamPartitioner.

timestamp() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the current timestamp.

timestamp() - Method in interface org.apache.kafka.streams.processor.RecordContext

timestamp - Variable in class org.apache.kafka.streams.processor.To

timestampExtractor - Variable in class org.apache.kafka.streams.kstream.Consumed

TimestampExtractor - Interface in org.apache.kafka.streams.processor

An interface that allows the Kafka Streams framework to extract a timestamp from an instance of ConsumerRecord.

TimeWindowedDeserializer<T> - Class in org.apache.kafka.streams.kstream

The inner serde class can be specified by setting the property StreamsConfig.DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS or StreamsConfig.DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS if the no-arg constructor is called and hence it is not passed during initialization.

TimeWindowedDeserializer() - Constructor for class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

TimeWindowedDeserializer(Deserializer<T>) - Constructor for class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

TimeWindowedDeserializer(Deserializer<T>, long) - Constructor for class org.apache.kafka.streams.kstream.TimeWindowedDeserializer

TimeWindowedKStream<K,V> - Interface in org.apache.kafka.streams.kstream

TimeWindowedKStream is an abstraction of a windowed record stream of KeyValue pairs.

TimeWindowedSerde() - Constructor for class org.apache.kafka.streams.kstream.WindowedSerdes.TimeWindowedSerde

TimeWindowedSerde(Serde<T>) - Constructor for class org.apache.kafka.streams.kstream.WindowedSerdes.TimeWindowedSerde

timeWindowedSerdeFrom(Class<T>) - Static method in class org.apache.kafka.streams.kstream.WindowedSerdes

Construct a TimeWindowedSerde object for the specified inner class type.

TimeWindowedSerializer<T> - Class in org.apache.kafka.streams.kstream

The inner serde class can be specified by setting the property StreamsConfig.DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS or StreamsConfig.DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS if the no-arg constructor is called and hence it is not passed during initialization.

TimeWindowedSerializer() - Constructor for class org.apache.kafka.streams.kstream.TimeWindowedSerializer

TimeWindowedSerializer(Serializer<T>) - Constructor for class org.apache.kafka.streams.kstream.TimeWindowedSerializer

TimeWindows - Class in org.apache.kafka.streams.kstream

The fixed-size time-based window specifications used for aggregations.

to(String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic using default serializers specified in the config and producer's DefaultPartitioner.

to(String, Produced<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic using the provided Produced instance.

to(TopicNameExtractor<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Dynamically materialize this stream to topics using default serializers specified in the config and producer's DefaultPartitioner.

to(TopicNameExtractor<K, V>, Produced<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Dynamically materialize this stream to topics using the provided Produced instance.

To - Class in org.apache.kafka.streams.processor

This class is used to provide the optional parameters when sending output records to downstream processor using ProcessorContext.forward(Object, Object, To).

To(To) - Constructor for class org.apache.kafka.streams.processor.To

toFile(String) - Static method in class org.apache.kafka.streams.kstream.Printed

Print the records of a KStream to a file.

topic() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the topic name of the current input record; could be null if it is not available (for example, if this method is invoked from the punctuate call)

topic() - Method in interface org.apache.kafka.streams.processor.RecordContext

topic() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the topic.

topic() - Method in interface org.apache.kafka.streams.TopologyDescription.Sink

The topic name this sink node is writing to.

TOPIC_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to provide default topic configs to be applied when creating internal topics.

topicConfig - Variable in class org.apache.kafka.streams.kstream.Materialized

topicGroupId - Variable in class org.apache.kafka.streams.processor.TaskId

The ID of the topic group.

TopicNameExtractor<K,V> - Interface in org.apache.kafka.streams.processor

An interface that allows to dynamically determine the name of the Kafka topic to send at the sink node of the topology.

topicNameExtractor() - Method in interface org.apache.kafka.streams.TopologyDescription.Sink

The TopicNameExtractor class that this sink node uses to dynamically extract the topic name to write to.

topicPartitions() - Method in class org.apache.kafka.streams.processor.TaskMetadata

topicPartitions() - Method in class org.apache.kafka.streams.state.StreamsMetadata

topicPattern() - Method in interface org.apache.kafka.streams.TopologyDescription.Source

The pattern used to match topic names that is reading from.

topicPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.TOPIC_PREFIX used to provide default topic configs to be applied when creating internal topics.

topics() - Method in interface org.apache.kafka.streams.TopologyDescription.Source

Deprecated.

use TopologyDescription.Source.topicSet() or TopologyDescription.Source.topicPattern() instead

topicSet() - Method in interface org.apache.kafka.streams.TopologyDescription.Source

The topic names this source node is reading from.

Topology - Class in org.apache.kafka.streams

A logical representation of a ProcessorTopology.

Topology() - Constructor for class org.apache.kafka.streams.Topology

Topology.AutoOffsetReset - Enum in org.apache.kafka.streams

Sets the auto.offset.reset configuration when adding a source processor or when creating KStream or KTable via StreamsBuilder.

TOPOLOGY_OPTIMIZATION - Static variable in class org.apache.kafka.streams.StreamsConfig

topology.optimization

TopologyDescription - Interface in org.apache.kafka.streams

A meta representation of a topology.

TopologyDescription.GlobalStore - Interface in org.apache.kafka.streams

Represents a global store.

TopologyDescription.Node - Interface in org.apache.kafka.streams

A node of a topology.

TopologyDescription.Processor - Interface in org.apache.kafka.streams

A processor node of a topology.

TopologyDescription.Sink - Interface in org.apache.kafka.streams

A sink node of a topology.

TopologyDescription.Source - Interface in org.apache.kafka.streams

A source node of a topology.

TopologyDescription.Subtopology - Interface in org.apache.kafka.streams

A connected sub-graph of a Topology.

TopologyException - Exception in org.apache.kafka.streams.errors

Indicates a pre run time error occurred while parsing the logical topology to construct the physical processor topology.

TopologyException(String) - Constructor for exception org.apache.kafka.streams.errors.TopologyException

TopologyException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TopologyException

TopologyException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.TopologyException

toStream() - Method in interface org.apache.kafka.streams.kstream.KTable

Convert this changelog stream to a KStream.

toStream(KeyValueMapper<? super K, ? super V, ? extends KR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Convert this changelog stream to a KStream using the given KeyValueMapper to select the new key.

toString() - Method in class org.apache.kafka.streams.KeyValue

toString() - Method in class org.apache.kafka.streams.kstream.JoinWindows

toString() - Method in class org.apache.kafka.streams.kstream.SessionWindows

toString() - Method in class org.apache.kafka.streams.kstream.TimeWindows

toString() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

toString() - Method in class org.apache.kafka.streams.kstream.Window

toString() - Method in class org.apache.kafka.streams.kstream.Windowed

toString() - Method in class org.apache.kafka.streams.processor.TaskId

toString() - Method in class org.apache.kafka.streams.processor.TaskMetadata

toString() - Method in class org.apache.kafka.streams.processor.ThreadMetadata

toString() - Method in class org.apache.kafka.streams.state.HostInfo

toString() - Method in class org.apache.kafka.streams.state.StreamsMetadata

toSysOut() - Static method in class org.apache.kafka.streams.kstream.Printed

Print the records of a KStream to system out.

transform(TransformerSupplier<? super K, ? super V, KeyValue<K1, V1>>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform each record of the input stream into zero or more records in the output stream (both key and value type can be altered arbitrarily).

transform(K, V) - Method in interface org.apache.kafka.streams.kstream.Transformer

Transform the record with the given key and value.

transform(V) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Transform the given value to a new value.

transform(K, V) - Method in interface org.apache.kafka.streams.kstream.ValueTransformerWithKey

Transform the given [key and ]value to a new value.

Transformer<K,V,R> - Interface in org.apache.kafka.streams.kstream

The Transformer interface is for stateful mapping of an input record to zero, one, or multiple new output records (both key and value type can be altered arbitrarily).

TransformerSupplier<K,V,R> - Interface in org.apache.kafka.streams.kstream

A TransformerSupplier interface which can create one or more Transformer instances.

transformValues(ValueTransformerSupplier<? super V, ? extends VR>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform the value of each input record into a new value (with possible new type) of the output record.

transformValues(ValueTransformerWithKeySupplier<? super K, ? super V, ? extends VR>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform the value of each input record into a new value (with possible new type) of the output record.

transformValues(ValueTransformerWithKeySupplier<? super K, ? super V, ? extends VR>, String...) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possibly a new type), with default serializers, deserializers, and state store.

transformValues(ValueTransformerWithKeySupplier<? super K, ? super V, ? extends VR>, Materialized<K, VR, KeyValueStore<Bytes, byte[]>>, String...) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possibly a new type), with the key serde, value serde, and the underlying materialized state storage configured in the Materialized instance.

U

unbounded() - Static method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Create a buffer unconstrained by size (either keys or bytes).

UnlimitedWindows - Class in org.apache.kafka.streams.kstream

The unlimited window specifications used for aggregations.

until(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Deprecated.

since 2.1. Use JoinWindows.grace(Duration) instead.

until(long) - Method in class org.apache.kafka.streams.kstream.SessionWindows

Deprecated.

since 2.1. Use Materialized.retention or directly configure the retention in a store supplier and use Materialized.as(SessionBytesStoreSupplier).

until(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows

Deprecated.

since 2.1. Use Materialized.retention or directly configure the retention in a store supplier and use Materialized.as(WindowBytesStoreSupplier).

until(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Deprecated.

since 2.1.

until(long) - Method in class org.apache.kafka.streams.kstream.Windows

Deprecated.

since 2.1. Use Materialized.withRetention(Duration) or directly configure the retention in a store supplier and use Materialized.as(WindowBytesStoreSupplier).

untilTimeLimit(Duration, Suppressed.BufferConfig) - Static method in interface org.apache.kafka.streams.kstream.Suppressed

Configure the suppression to wait timeToWaitForMoreEvents amount of time after receiving a record before emitting it further downstream.

untilWindowCloses(Suppressed.StrictBufferConfig) - Static method in interface org.apache.kafka.streams.kstream.Suppressed

Configure the suppression to emit only the "final results" from the window.

update(To) - Method in class org.apache.kafka.streams.processor.To

UPGRADE_FROM_0100 - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "upgrade.from" for upgrading an application from version 0.10.0.x.

UPGRADE_FROM_0101 - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "upgrade.from" for upgrading an application from version 0.10.1.x.

UPGRADE_FROM_0102 - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "upgrade.from" for upgrading an application from version 0.10.2.x.

UPGRADE_FROM_0110 - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "upgrade.from" for upgrading an application from version 0.11.0.x.

UPGRADE_FROM_10 - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "upgrade.from" for upgrading an application from version 1.0.x.

UPGRADE_FROM_11 - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "upgrade.from" for upgrading an application from version 1.1.x.

UPGRADE_FROM_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

upgrade.from

UsePreviousTimeOnInvalidTimestamp - Class in org.apache.kafka.streams.processor

Retrieves embedded metadata timestamps from Kafka messages.

UsePreviousTimeOnInvalidTimestamp() - Constructor for class org.apache.kafka.streams.processor.UsePreviousTimeOnInvalidTimestamp

V

value - Variable in class org.apache.kafka.streams.KeyValue

The value of the key-value pair.

valueDeserializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the value deserializer.

valueFrom(byte[]) - Method in class org.apache.kafka.streams.state.StateSerdes

Deserialize the value from raw bytes.

ValueJoiner<V1,V2,VR> - Interface in org.apache.kafka.streams.kstream

The ValueJoiner interface for joining two values into a new value of arbitrary type.

ValueMapper<V,VR> - Interface in org.apache.kafka.streams.kstream

The ValueMapper interface for mapping a value to a new value of arbitrary type.

ValueMapperWithKey<K,V,VR> - Interface in org.apache.kafka.streams.kstream

The ValueMapperWithKey interface for mapping a value to a new value of arbitrary type.

valueOf(String) - Static method in enum org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum org.apache.kafka.streams.errors.ProductionExceptionHandler.ProductionExceptionHandlerResponse

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum org.apache.kafka.streams.KafkaStreams.State

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum org.apache.kafka.streams.processor.PunctuationType

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum org.apache.kafka.streams.Topology.AutoOffsetReset

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.apache.kafka.streams.errors.DeserializationExceptionHandler.DeserializationHandlerResponse

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum org.apache.kafka.streams.errors.ProductionExceptionHandler.ProductionExceptionHandlerResponse

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum org.apache.kafka.streams.KafkaStreams.State

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum org.apache.kafka.streams.processor.PunctuationType

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum org.apache.kafka.streams.Topology.AutoOffsetReset

Returns an array containing the constants of this enum type, in the order they are declared.

valueSerde - Variable in class org.apache.kafka.streams.kstream.Consumed

valueSerde - Variable in class org.apache.kafka.streams.kstream.Grouped

valueSerde(Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Grouped

Create a Grouped instance with the provided valueSerde.

valueSerde(Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Joined

Create an instance of Joined with a value Serde.

valueSerde() - Method in class org.apache.kafka.streams.kstream.Joined

valueSerde - Variable in class org.apache.kafka.streams.kstream.Materialized

valueSerde - Variable in class org.apache.kafka.streams.kstream.Produced

valueSerde(Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Produced

Create a Produced instance with provided valueSerde.

valueSerde - Variable in class org.apache.kafka.streams.kstream.Serialized

Deprecated.

valueSerde() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the default value serde

valueSerde() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the value serde.

valueSerializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the value serializer.

ValueTransformer<V,VR> - Interface in org.apache.kafka.streams.kstream

The ValueTransformer interface for stateful mapping of a value to a new value (with possible new type).

ValueTransformerSupplier<V,VR> - Interface in org.apache.kafka.streams.kstream

A ValueTransformerSupplier interface which can create one or more ValueTransformer instances.

ValueTransformerWithKey<K,V,VR> - Interface in org.apache.kafka.streams.kstream

The ValueTransformerWithKey interface for stateful mapping of a value to a new value (with possible new type).

ValueTransformerWithKeySupplier<K,V,VR> - Interface in org.apache.kafka.streams.kstream

W

WallclockTimestampExtractor - Class in org.apache.kafka.streams.processor

Retrieves current wall clock timestamps as System.currentTimeMillis().

WallclockTimestampExtractor() - Constructor for class org.apache.kafka.streams.processor.WallclockTimestampExtractor

Window - Class in org.apache.kafka.streams.kstream

A single window instance, defined by its start and end timestamp.

Window(long, long) - Constructor for class org.apache.kafka.streams.kstream.Window

Create a new window for the given start and end time.

window() - Method in class org.apache.kafka.streams.kstream.Windowed

Return the window containing the values associated with this key.

WINDOW_STORE_CHANGE_LOG_ADDITIONAL_RETENTION_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

windowstore.changelog.additional.retention.ms

WindowBytesStoreSupplier - Interface in org.apache.kafka.streams.state

A store supplier that can be used to create one or more WindowStore instances of type <Byte, byte[]>.

Windowed<K> - Class in org.apache.kafka.streams.kstream

The result key type of a windowed stream aggregation.

Windowed(K, Window) - Constructor for class org.apache.kafka.streams.kstream.Windowed

windowedBy(Windows<W>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Create a new TimeWindowedKStream instance that can be used to perform windowed aggregations.

windowedBy(SessionWindows) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Create a new SessionWindowedKStream instance that can be used to perform session windowed aggregations.

WindowedSerdes - Class in org.apache.kafka.streams.kstream

WindowedSerdes() - Constructor for class org.apache.kafka.streams.kstream.WindowedSerdes

WindowedSerdes.SessionWindowedSerde<T> - Class in org.apache.kafka.streams.kstream

WindowedSerdes.TimeWindowedSerde<T> - Class in org.apache.kafka.streams.kstream

Windows<W extends Window> - Class in org.apache.kafka.streams.kstream

The window specification for fixed size windows that is used to define window boundaries and grace period.

Windows() - Constructor for class org.apache.kafka.streams.kstream.Windows

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Not supported by JoinWindows.

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.Windows

Create all windows that contain the provided timestamp, indexed by non-negative window start timestamps.

windowSize() - Method in interface org.apache.kafka.streams.state.WindowBytesStoreSupplier

The size of the windows (in milliseconds) any store created from this supplier is creating.

windowStore() - Static method in class org.apache.kafka.streams.state.QueryableStoreTypes

A QueryableStoreType that accepts ReadOnlyWindowStore

WindowStore<K,V> - Interface in org.apache.kafka.streams.state

A windowed store interface extending StateStore.

windowStoreBuilder(WindowBytesStoreSupplier, Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.state.Stores

Creates a StoreBuilder that can be used to build a WindowStore.

WindowStoreIterator<V> - Interface in org.apache.kafka.streams.state

Iterator interface of KeyValue with key typed Long used for WindowStore.fetch(Object, long, long) and WindowStore.fetch(Object, Instant, Instant) Users must call its close method explicitly upon completeness to release resources, or use try-with-resources statement (available since JDK7) for this Closeable class.

with(Serde<K>, Serde<V>, TimestampExtractor, Topology.AutoOffsetReset) - Static method in class org.apache.kafka.streams.kstream.Consumed

Create an instance of Consumed with the supplied arguments.

with(Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Consumed

Create an instance of Consumed with key and value Serdes.

with(TimestampExtractor) - Static method in class org.apache.kafka.streams.kstream.Consumed

Create an instance of Consumed with a TimestampExtractor.

with(Topology.AutoOffsetReset) - Static method in class org.apache.kafka.streams.kstream.Consumed

Create an instance of Consumed with a Topology.AutoOffsetReset.

with(String, Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Grouped

Create a Grouped instance with the provided name, keySerde, and valueSerde.

with(Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Grouped

Create a Grouped instance with the provided keySerde and valueSerde.

with(Serde<K>, Serde<V>, Serde<VO>) - Static method in class org.apache.kafka.streams.kstream.Joined

Create an instance of Joined with key, value, and otherValue Serde instances.

with(Serde<K>, Serde<V>, Serde<VO>, String) - Static method in class org.apache.kafka.streams.kstream.Joined

Create an instance of Joined with key, value, and otherValue Serde instances.

with(Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Materialized

Materialize a StateStore with the provided key and value Serdes.

with(Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Produced

Create a Produced instance with provided keySerde and valueSerde.

with(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>) - Static method in class org.apache.kafka.streams.kstream.Produced

Create a Produced instance with provided keySerde, valueSerde, and partitioner.

with(Serde<K>, Serde<V>) - Static method in class org.apache.kafka.streams.kstream.Serialized

Deprecated.

Construct a Serialized instance with the provided key and value Serdes.

with(long) - Static method in class org.apache.kafka.streams.kstream.SessionWindows

Deprecated.

User SessionWindows.with(Duration) instead.

with(Duration) - Static method in class org.apache.kafka.streams.kstream.SessionWindows

Create a new window specification with the specified inactivity gap.

withBuiltinTypes(String, Class<K>, Class<V>) - Static method in class org.apache.kafka.streams.state.StateSerdes

Create a new instance of StateSerdes for the given state name and key-/value-type classes.

withCachingDisabled() - Method in class org.apache.kafka.streams.kstream.Materialized

Disable caching for the materialized StateStore.

withCachingDisabled() - Method in interface org.apache.kafka.streams.state.StoreBuilder

Disable caching on the store.

withCachingEnabled() - Method in class org.apache.kafka.streams.kstream.Materialized

Enable caching for the materialized StateStore.

withCachingEnabled() - Method in interface org.apache.kafka.streams.state.StoreBuilder

Enable caching on the store.

withKeySerde(Serde<K>) - Method in class org.apache.kafka.streams.kstream.Consumed

Configure the instance of Consumed with a key Serde.

withKeySerde(Serde<K>) - Method in class org.apache.kafka.streams.kstream.Grouped

Perform the grouping operation using the provided keySerde for serializing the key.

withKeySerde(Serde<K>) - Method in class org.apache.kafka.streams.kstream.Joined

Set the key Serde to be used.

withKeySerde(Serde<K>) - Method in class org.apache.kafka.streams.kstream.Materialized

Set the keySerde the materialize StateStore will use.

withKeySerde(Serde<K>) - Method in class org.apache.kafka.streams.kstream.Produced

Produce records using the provided keySerde.

withKeySerde(Serde<K>) - Method in class org.apache.kafka.streams.kstream.Serialized

Deprecated.

Construct a Serialized instance with the provided key Serde.

withKeyValueMapper(KeyValueMapper<? super K, ? super V, String>) - Method in class org.apache.kafka.streams.kstream.Printed

Print the records of a KStream with the provided KeyValueMapper The provided KeyValueMapper's mapped value type must be String.

withLabel(String) - Method in class org.apache.kafka.streams.kstream.Printed

Print the records of a KStream with the provided label.

withLoggingDisabled() - Method in class org.apache.kafka.streams.kstream.Materialized

Disable change logging for the materialized StateStore.

withLoggingDisabled() - Method in interface org.apache.kafka.streams.state.StoreBuilder

Disable the changelog for store built by this StoreBuilder.

withLoggingEnabled(Map<String, String>) - Method in class org.apache.kafka.streams.kstream.Materialized

Indicates that a changelog should be created for the store.

withLoggingEnabled(Map<String, String>) - Method in interface org.apache.kafka.streams.state.StoreBuilder

Maintain a changelog for any changes made to the store.

withMaxBytes(long) - Method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Set a size constraint on the buffer, the maximum number of bytes it will use.

withMaxRecords(long) - Method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Set a size constraint on the buffer in terms of the maximum number of keys it will store.

withName(String) - Method in class org.apache.kafka.streams.kstream.Grouped

Perform the grouping operation with the name for a repartition topic if required.

withName(String) - Method in class org.apache.kafka.streams.kstream.Joined

Set the base name used for all components of the join, this may include any repartition topics created to complete the join.

withName(String) - Method in interface org.apache.kafka.streams.kstream.Suppressed

Use the specified name for the suppression node in the topology.

withNoBound() - Method in interface org.apache.kafka.streams.kstream.Suppressed.BufferConfig

Set the buffer to be unconstrained by size (either keys or bytes).

withOffsetResetPolicy(Topology.AutoOffsetReset) - Method in class org.apache.kafka.streams.kstream.Consumed

Configure the instance of Consumed with a Topology.AutoOffsetReset.

withOtherValueSerde(Serde<VO>) - Method in class org.apache.kafka.streams.kstream.Joined

Set the otherValue Serde to be used.

withRetention(Duration) - Method in class org.apache.kafka.streams.kstream.Materialized

Configure retention period for window and session stores.

withStreamPartitioner(StreamPartitioner<? super K, ? super V>) - Method in class org.apache.kafka.streams.kstream.Produced

Produce records using the provided partitioner.

withTimestamp(long) - Method in class org.apache.kafka.streams.processor.To

Set the timestamp of the output record.

withTimestampExtractor(TimestampExtractor) - Method in class org.apache.kafka.streams.kstream.Consumed

Configure the instance of Consumed with a TimestampExtractor.

withValueSerde(Serde<V>) - Method in class org.apache.kafka.streams.kstream.Consumed

Configure the instance of Consumed with a value Serde.

withValueSerde(Serde<V>) - Method in class org.apache.kafka.streams.kstream.Grouped

Perform the grouping operation using the provided valueSerde for serializing the value.

withValueSerde(Serde<V>) - Method in class org.apache.kafka.streams.kstream.Joined

Set the value Serde to be used.

withValueSerde(Serde<V>) - Method in class org.apache.kafka.streams.kstream.Materialized

Set the valueSerde the materialized StateStore will use.

withValueSerde(Serde<V>) - Method in class org.apache.kafka.streams.kstream.Produced

Produce records using the provided valueSerde.

withValueSerde(Serde<V>) - Method in class org.apache.kafka.streams.kstream.Serialized

Deprecated.

Construct a Serialized instance with the provided value Serde.

writeTo(DataOutputStream) - Method in class org.apache.kafka.streams.processor.TaskId

writeTo(ByteBuffer) - Method in class org.apache.kafka.streams.processor.TaskId

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