Struct ProducerRecordOptionsBuilder 

pub struct ProducerRecordOptionsBuilder<K, V> { /* private fields */ }

Fluent builder for ProducerRecordOptions.

Per CLAUDE.md §2 Self::new takes no parameters, every parameter has a fluent setter, and Self::build validates the mandatory ones — returning Error::LocalIllegalArgument if they were not set. Like ProducerRecordOptions it has no Java counterpart and exists solely to satisfy that naming rule (DoD #7).

Implementations

impl<K, V> ProducerRecordOptionsBuilder<K, V>

pub fn new() -> Self

Creates a builder with every mandatory parameter unset and every other parameter at the value Java passes on the caller’s behalf.

pub fn set_topic(self, topic: String) -> Self

Sets ProducerRecordOptions::topic, a mandatory parameter: Self::build panics if it was not set.

pub fn set_partition(self, partition: Option<i32>) -> Self

Sets ProducerRecordOptions::partition.

pub fn set_timestamp(self, timestamp: Option<i64>) -> Self

Sets ProducerRecordOptions::timestamp.

pub fn set_key(self, key: Option<K>) -> Self

Sets ProducerRecordOptions::key.

pub fn set_value(self, value: Option<V>) -> Self

Sets ProducerRecordOptions::value, a mandatory parameter: Self::build panics if it was not set.

pub fn set_headers(self, headers: Option<RecordHeaders>) -> Self

Sets ProducerRecordOptions::headers.

pub fn build(self) -> Result<ProducerRecordOptions<K, V>, Error>

Returns the built options.

Per CLAUDE.md §2 the mandatory parameters are validated here rather than being named in the constructor, so a later Java version that makes one of them optional changes the set this accepts instead of adding a second constructor. Today there is one mandatory set: topic, value.

Errors

Returns Error::LocalIllegalArgument naming the first parameter of that set which was not given a setter call. Only presence is checked here; semantic validation belongs to the method the options are passed to (CLAUDE.md §2).

Trait Implementations

impl<K, V> Default for ProducerRecordOptionsBuilder<K, V>

fn default() -> Self

Returns the “default value” for a type.