Interface ISchemaRegistryClient

An interface implemented by Confluent Schema Registry clients.

Inherited Members

Namespace: Confluent.SchemaRegistry

Assembly: Confluent.SchemaRegistry.dll

Syntax

public interface ISchemaRegistryClient : IDisposable

Properties

Config

The client config.

Declaration

IEnumerable<KeyValuePair<string, string>> Config { get; }

Property Value

Type	Description
IEnumerable<KeyValuePair<string, string>>

MaxCachedSchemas

The maximum capacity of the local schema cache.

Declaration

int MaxCachedSchemas { get; }

Property Value

Type	Description
int

Methods

ClearCaches()

Clears all caches.

Declaration

void ClearCaches()

ClearLatestCaches()

Clears caches of latest versions.

Declaration

void ClearLatestCaches()

ConstructKeySubjectName(string, string)

DEPRECATED. SubjectNameStrategy should now be specified via serializer configuration. Returns the schema registry key subject name given a topic name.

Declaration

[Obsolete("SubjectNameStrategy should now be specified via serializer configuration. This method will be removed in a future release.")]
string ConstructKeySubjectName(string topic, string recordType = null)

Parameters

Type	Name	Description
string	topic	The topic name.
string	recordType	The fully qualified record type. May be null if not required by the configured subject naming strategy.

Returns

Type	Description
string	The key subject name given a topic name.

ConstructValueSubjectName(string, string)

DEPRECATED. SubjectNameStrategy should now be specified via serializer configuration. Returns the schema registry value subject name given a topic name.

Declaration

[Obsolete("SubjectNameStrategy should now be specified via serializer configuration. This method will be removed in a future release.")]
string ConstructValueSubjectName(string topic, string recordType = null)

Parameters

Type	Name	Description
string	topic	The topic name.
string	recordType	The fully qualified record type. May be null if not required by the configured subject naming strategy.

Returns

Type	Description
string	The value subject name given a topic name.

GetAllSubjectsAsync()

Gets a list of all subjects with registered schemas.

Declaration

Task<List<string>> GetAllSubjectsAsync()

Returns

Type	Description
Task<List<string>>	A list of all subjects with registered schemas.

GetCompatibilityAsync(string)

If the subject is specified returns compatibility type for the specified subject. Otherwise returns global compatibility type.

Declaration

Task<Compatibility> GetCompatibilityAsync(string subject = null)

Parameters

Type	Name	Description
string	subject	The subject to get the compatibility for.

Returns

Type	Description
Task<Compatibility>	Compatibility type.

GetLatestSchemaAsync(string)

Get the latest schema registered against the specified subject.

Declaration

Task<RegisteredSchema> GetLatestSchemaAsync(string subject)

Parameters

Type	Name	Description
string	subject	The subject to get the latest associated schema for.

Returns

Type	Description
Task<RegisteredSchema>	The latest schema registered against `subject`.

GetLatestWithMetadataAsync(string, IDictionary<string, string>, bool)

Get the latest schema with the given metadata registered against the specified subject.

Declaration

Task<RegisteredSchema> GetLatestWithMetadataAsync(string subject, IDictionary<string, string> metadata, bool ignoreDeletedSchemas)

Parameters

Type	Name	Description
string	subject	The subject to get the latest associated schema for.
IDictionary<string, string>	metadata
bool	ignoreDeletedSchemas

Returns

Type	Description
Task<RegisteredSchema>	The latest schema with the given metadata registered against `subject`.

GetRegisteredSchemaAsync(string, int, bool)

Gets a schema given a subject and version number.

Declaration

Task<RegisteredSchema> GetRegisteredSchemaAsync(string subject, int version, bool ignoreDeletedSchemas = true)

Parameters

Type	Name	Description
string	subject	The subject to get the schema for.
int	version	The version number of schema to get.
bool	ignoreDeletedSchemas	Whether or not to ignore deleted schemas.

Returns

Type	Description
Task<RegisteredSchema>	The schema identified by the specified `subject` and `version`.

GetSchemaAsync(int, string)

Gets the schema uniquely identified by id.

Declaration

Task<Schema> GetSchemaAsync(int id, string format = null)

Parameters

Type	Name	Description
int	id	The unique id of schema to get.
string	format	The format of the schema to get. Currently, the only supported value is "serialized", and this is only valid for protobuf schemas. If 'serialized', the SchemaString property of the returned value will be a base64 encoded protobuf file descriptor. If null, SchemaString will be human readable text.

Returns

Type	Description
Task<Schema>	The schema identified by `id`.

GetSchemaAsync(string, int)

DEPRECATED. Superseded by GetRegisteredSchemaAsync(string subject, int version) Gets a schema given a subject and version number.

Declaration

[Obsolete("Superseded by GetRegisteredSchemaAsync(string subject, int version). This method will be removed in a future release.")]
Task<string> GetSchemaAsync(string subject, int version)

Parameters

Type	Name	Description
string	subject	The subject to get the schema for.
int	version	The version number of schema to get.

Returns

Type	Description
Task<string>	The schema identified by the specified `subject` and `version`.

GetSchemaBySubjectAndIdAsync(string, int, string)

Declaration

Task<Schema> GetSchemaBySubjectAndIdAsync(string subject, int id, string format = null)

Parameters

Type	Name	Description
string	subject
int	id
string	format

Returns

Type	Description
Task<Schema>

GetSchemaIdAsync(string, Schema, bool)

Get the unique id of the specified schema registered against the specified subject.

Declaration

Task<int> GetSchemaIdAsync(string subject, Schema schema, bool normalize = false)

Parameters

Type	Name	Description
string	subject	The subject the schema is registered against.
Schema	schema	The schema to get the id for.
bool	normalize	Whether to normalize schemas.

Returns

Type	Description
Task<int>	The unique id identifying the schema.

Exceptions

Type	Condition
SchemaRegistryException	Thrown if the schema is not registered against the subject.

GetSchemaIdAsync(string, string, bool)

Get the unique id of the specified avro schema registered against the specified subject.

Declaration

[Obsolete("Superseded by GetSchemaIdAsync(string, Schema, bool)")]
Task<int> GetSchemaIdAsync(string subject, string avroSchema, bool normalize = false)

Parameters

Type	Name	Description
string	subject	The subject the schema is registered against.
string	avroSchema	The schema to get the id for.
bool	normalize	Whether to normalize schemas.

Returns

Type	Description
Task<int>	The unique id identifying the schema.

Exceptions

Type	Condition
SchemaRegistryException	Thrown if the schema is not registered against the subject.

GetSubjectVersionsAsync(string)

Gets a list of versions registered under the specified subject.

Declaration

Task<List<int>> GetSubjectVersionsAsync(string subject)

Parameters

Type	Name	Description
string	subject	The subject to get versions registered under.

Returns

Type	Description
Task<List<int>>	A list of versions registered under the specified `subject`.

IsCompatibleAsync(string, Schema)

Check if a schema is compatible with latest version registered against a specified subject.

Declaration

Task<bool> IsCompatibleAsync(string subject, Schema schema)

Parameters

Type	Name	Description
string	subject	The subject to check.
Schema	schema	The schema to check.

Returns

Type	Description
Task<bool>	true if `schema` is compatible with the latest version registered against a specified subject, false otherwise.

IsCompatibleAsync(string, string)

Check if an avro schema is compatible with latest version registered against a specified subject.

Declaration

[Obsolete("Superseded by IsCompatibleAsync(string, Schema)")]
Task<bool> IsCompatibleAsync(string subject, string avroSchema)

Parameters

Type	Name	Description
string	subject	The subject to check.
string	avroSchema	The schema to check.

Returns

Type	Description
Task<bool>	true if `avroSchema` is compatible with the latest version registered against a specified subject, false otherwise.

LookupSchemaAsync(string, Schema, bool, bool)

Get the registered schema details (including version and id) given a subject name and schema, or throw an exception if the schema is not registered against the subject.

Declaration

Task<RegisteredSchema> LookupSchemaAsync(string subject, Schema schema, bool ignoreDeletedSchemas, bool normalize = false)

Parameters

Type	Name	Description
string	subject	The subject name the schema is registered against.
Schema	schema	The schema to lookup.
bool	ignoreDeletedSchemas	Whether or not to ignore deleted schemas.
bool	normalize	Whether to normalize schemas.

Returns

Type	Description
Task<RegisteredSchema>	The schema identified by the specified `subject` and `schema`.

RegisterSchemaAsync(string, Schema, bool)

Declaration

Task<int> RegisterSchemaAsync(string subject, Schema schema, bool normalize = false)

Parameters

Type	Name	Description
string	subject	The subject to register the schema against.
Schema	schema	The schema to register.
bool	normalize	Whether to normalize schemas.

Returns

Type	Description
Task<int>	A unique id identifying the schema.

RegisterSchemaAsync(string, string, bool)

Declaration

[Obsolete("Superseded by RegisterSchemaAsync(string, Schema, bool)")]
Task<int> RegisterSchemaAsync(string subject, string avroSchema, bool normalize = false)

Parameters

Type	Name	Description
string	subject	The subject to register the schema against.
string	avroSchema	The schema to register.
bool	normalize	Whether to normalize schemas.

Returns

Type	Description
Task<int>	A unique id identifying the schema.

UpdateCompatibilityAsync(Compatibility, string)

If the subject is specified sets compatibility type for the specified subject. Otherwise sets global compatibility type.

Declaration

Task<Compatibility> UpdateCompatibilityAsync(Compatibility compatibility, string subject = null)

Parameters

Type	Name	Description
Compatibility	compatibility	Compatibility type.
string	subject	The subject to set the compatibility for.

Returns

Type	Description
Task<Compatibility>	New compatibility type.