Package io.confluent.kafka.serializers.protobuf

Class AbstractKafkaProtobufSerializer<T extends com.google.protobuf.Message>

java.lang.Object

io.confluent.kafka.serializers.AbstractKafkaSchemaSerDe

io.confluent.kafka.serializers.protobuf.AbstractKafkaProtobufSerializer<T>

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

KafkaProtobufSerializer

public abstract class AbstractKafkaProtobufSerializer<T extends com.google.protobuf.Message>
extends AbstractKafkaSchemaSerDe

Nested Class Summary

Nested classes/interfaces inherited from class io.confluent.kafka.serializers.AbstractKafkaSchemaSerDe

AbstractKafkaSchemaSerDe.ExtendedSchema, AbstractKafkaSchemaSerDe.Migration, AbstractKafkaSchemaSerDe.SubjectSchema

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	autoRegisterSchema
protected boolean	idCompatStrict
protected boolean	latestCompatStrict
protected boolean	normalizeSchema
protected boolean	onlyLookupReferencesBySchema
protected boolean	propagateSchemaTags
protected ReferenceSubjectNameStrategy	referenceSubjectNameStrategy
protected String	schemaFormat
protected boolean	skipKnownTypes
protected int	useSchemaId

Fields inherited from class io.confluent.kafka.serializers.AbstractKafkaSchemaSerDe

config, configOriginals, contextNameStrategy, DEFAULT_CACHE_CAPACITY, enableRuleServiceLoader, isKey, keySchemaIdDeserializer, keySchemaIdSerializer, keySubjectNameStrategy, latestVersions, latestWithMetadata, metadata, ruleActions, ruleExecutors, schemaRegistry, ticker, useLatestVersion, useSchemaReflection, valueSchemaIdDeserializer, valueSchemaIdSerializer, valueSubjectNameStrategy

Constructor Summary

Constructors

Constructor	Description
AbstractKafkaProtobufSerializer()

Method Summary

Modifier and Type	Method	Description
protected void	configure(KafkaProtobufSerializerConfig config)
static ProtobufSchema	resolveDependencies(SchemaRegistryClient schemaRegistry, boolean normalizeSchema, boolean autoRegisterSchema, boolean propagateSchemaTags, boolean useLatestVersion, boolean latestCompatStrict, Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions, boolean skipKnownTypes, ReferenceSubjectNameStrategy strategy, String topic, boolean isKey, ProtobufSchema schema)	Resolve schema dependencies recursively.
static ProtobufSchema	resolveDependencies(SchemaRegistryClient schemaRegistry, boolean normalizeSchema, boolean autoRegisterSchema, boolean useLatestVersion, boolean latestCompatStrict, Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions, boolean skipKnownTypes, ReferenceSubjectNameStrategy strategy, String topic, boolean isKey, ProtobufSchema schema)
static ProtobufSchema	resolveDependencies(SchemaRegistryClient schemaRegistry, boolean autoRegisterSchema, boolean useLatestVersion, boolean latestCompatStrict, Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions, boolean skipKnownTypes, ReferenceSubjectNameStrategy strategy, String topic, boolean isKey, ProtobufSchema schema)	Resolve schema dependencies recursively.
static ProtobufSchema	resolveDependencies(SchemaRegistryClient schemaRegistry, boolean autoRegisterSchema, boolean useLatestVersion, boolean latestCompatStrict, Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions, ReferenceSubjectNameStrategy strategy, String topic, boolean isKey, ProtobufSchema schema)	Resolve schema dependencies recursively.
protected byte[]	serializeImpl(String subject, String topic, boolean isKey, org.apache.kafka.common.header.Headers headers, T object, ProtobufSchema schema)
protected byte[]	serializeImpl(String subject, String topic, boolean isKey, T object, ProtobufSchema schema)
protected KafkaProtobufSerializerConfig	serializerConfig(Map<String,?> props)

Methods inherited from class io.confluent.kafka.serializers.AbstractKafkaSchemaSerDe

clearKey, close, configureClientProperties, executeMigrations, executeRules, executeRules, executeRules, getById, getBySubjectAndId, getContextName, getContextName, getLatestWithMetadata, getMigrations, getOldSubjectName, getRuleActions, getRuleExecutors, getSchemaById, getSchemaBySchemaId, getSchemaBySubjectAndId, getSchemaRegistryClient, getSubjectName, isKey, key, latestVersionsCache, latestWithMetadataCache, lookupLatestVersion, lookupLatestVersion, lookupSchemaBySubjectAndId, postOp, register, register, register, registerWithResponse, schemaIdDeserializer, schemaIdSerializer, setKey, strategyUsesSchema, ticker, toKafkaException

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

normalizeSchema

protected boolean normalizeSchema

autoRegisterSchema

protected boolean autoRegisterSchema

propagateSchemaTags

protected boolean propagateSchemaTags

onlyLookupReferencesBySchema

protected boolean onlyLookupReferencesBySchema

useSchemaId

protected int useSchemaId

idCompatStrict

protected boolean idCompatStrict

latestCompatStrict

protected boolean latestCompatStrict

schemaFormat

protected String schemaFormat

skipKnownTypes

protected boolean skipKnownTypes

referenceSubjectNameStrategy

protected ReferenceSubjectNameStrategy referenceSubjectNameStrategy

Constructor Details

AbstractKafkaProtobufSerializer

public AbstractKafkaProtobufSerializer()

Method Details

configure

protected void configure(KafkaProtobufSerializerConfig config)

serializerConfig

protected KafkaProtobufSerializerConfig serializerConfig(Map<String,?> props)

serializeImpl

protected byte[] serializeImpl(String subject,
 String topic,
 boolean isKey,
 T object,
 ProtobufSchema schema)
                        throws org.apache.kafka.common.errors.SerializationException,
org.apache.kafka.common.errors.InvalidConfigurationException

Throws:

org.apache.kafka.common.errors.SerializationException

org.apache.kafka.common.errors.InvalidConfigurationException

serializeImpl

protected byte[] serializeImpl(String subject,
 String topic,
 boolean isKey,
 org.apache.kafka.common.header.Headers headers,
 T object,
 ProtobufSchema schema)
                        throws org.apache.kafka.common.errors.SerializationException,
org.apache.kafka.common.errors.InvalidConfigurationException

Throws:

org.apache.kafka.common.errors.SerializationException

org.apache.kafka.common.errors.InvalidConfigurationException

resolveDependencies

public static ProtobufSchema resolveDependencies(SchemaRegistryClient schemaRegistry,
 boolean autoRegisterSchema,
 boolean useLatestVersion,
 boolean latestCompatStrict,
 Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions,
 ReferenceSubjectNameStrategy strategy,
 String topic,
 boolean isKey,
 ProtobufSchema schema)
                                          throws IOException,
RestClientException

Resolve schema dependencies recursively.

Parameters:

schemaRegistry - schema registry client

autoRegisterSchema - whether to automatically register schemas

useLatestVersion - whether to use the latest subject version for serialization

latestCompatStrict - whether to check that the latest subject version is backward compatible with the schema of the object

latestVersions - an optional cache of latest subject versions, may be null

strategy - the strategy for determining the subject name for a reference

topic - the topic

isKey - whether the object is the record key

schema - the schema

Returns:

the schema with resolved dependencies

Throws:

IOException

RestClientException

resolveDependencies

public static ProtobufSchema resolveDependencies(SchemaRegistryClient schemaRegistry,
 boolean autoRegisterSchema,
 boolean useLatestVersion,
 boolean latestCompatStrict,
 Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions,
 boolean skipKnownTypes,
 ReferenceSubjectNameStrategy strategy,
 String topic,
 boolean isKey,
 ProtobufSchema schema)
                                          throws IOException,
RestClientException

Resolve schema dependencies recursively.

Parameters:

schemaRegistry - schema registry client

autoRegisterSchema - whether to automatically register schemas

useLatestVersion - whether to use the latest subject version for serialization

latestCompatStrict - whether to check that the latest subject version is backward compatible with the schema of the object

latestVersions - an optional cache of latest subject versions, may be null

skipKnownTypes - whether to skip known types when resolving schema dependencies

strategy - the strategy for determining the subject name for a reference

topic - the topic

isKey - whether the object is the record key

schema - the schema

Returns:

the schema with resolved dependencies

Throws:

IOException

RestClientException

resolveDependencies

public static ProtobufSchema resolveDependencies(SchemaRegistryClient schemaRegistry,
 boolean normalizeSchema,
 boolean autoRegisterSchema,
 boolean useLatestVersion,
 boolean latestCompatStrict,
 Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions,
 boolean skipKnownTypes,
 ReferenceSubjectNameStrategy strategy,
 String topic,
 boolean isKey,
 ProtobufSchema schema)
                                          throws IOException,
RestClientException

Throws:

IOException

RestClientException

resolveDependencies

public static ProtobufSchema resolveDependencies(SchemaRegistryClient schemaRegistry,
 boolean normalizeSchema,
 boolean autoRegisterSchema,
 boolean propagateSchemaTags,
 boolean useLatestVersion,
 boolean latestCompatStrict,
 Map<AbstractKafkaSchemaSerDe.SubjectSchema,AbstractKafkaSchemaSerDe.ExtendedSchema> latestVersions,
 boolean skipKnownTypes,
 ReferenceSubjectNameStrategy strategy,
 String topic,
 boolean isKey,
 ProtobufSchema schema)
                                          throws IOException,
RestClientException

Resolve schema dependencies recursively.

Parameters:

schemaRegistry - schema registry client

normalizeSchema - whether to normalized the schema

autoRegisterSchema - whether to automatically register schemas

propagateSchemaTags - whether to propagate tags during registration

useLatestVersion - whether to use the latest subject version for serialization

latestCompatStrict - whether to check that the latest subject version is backward compatible with the schema of the object

latestVersions - an optional cache of latest subject versions, may be null

skipKnownTypes - whether to skip known types when resolving schema dependencies

strategy - the strategy for determining the subject name for a reference

topic - the topic

isKey - whether the object is the record key

schema - the schema

Returns:

the schema with resolved dependencies

Throws:

IOException

RestClientException