io.debezium.converters

Class ByteBufferConverter

java.lang.Object

io.debezium.converters.ByteBufferConverter

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.kafka.common.Configurable, org.apache.kafka.connect.storage.Converter, org.apache.kafka.connect.storage.HeaderConverter

public class ByteBufferConverter
extends Object
implements org.apache.kafka.connect.storage.Converter, org.apache.kafka.connect.storage.HeaderConverter

A customized value converter to allow avro message to be delivered as it is (byte[]) to kafka, this is used for outbox pattern where payload is serialized by KafkaAvroSerializer, the consumer need to get the deseralized payload. To enabled the converter in a connector, the following value need to be specified "value.converter": "io.debezium.converters.ByteBufferConverter"

Author:

Yang Yang

Field Summary

Fields

Modifier and Type	Field and Description
private static org.apache.kafka.common.config.ConfigDef	CONFIG_DEF
static String	DELEGATE_CONVERTER_TYPE
private org.apache.kafka.connect.storage.Converter	delegateConverter
private static org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor and Description
ByteBufferConverter()

Method Summary

Modifier and Type	Method and Description
private void	assertDataException(String name, Object type)
void	close()
org.apache.kafka.common.config.ConfigDef	config()
void	configure(Map<String,?> configs)
void	configure(Map<String,?> configs, boolean isKey)
byte[]	fromConnectData(String topic, org.apache.kafka.connect.data.Schema schema, Object value)
byte[]	fromConnectHeader(String topic, String headerKey, org.apache.kafka.connect.data.Schema schema, Object value)
org.apache.kafka.connect.data.SchemaAndValue	toConnectData(String topic, byte[] value)
org.apache.kafka.connect.data.SchemaAndValue	toConnectHeader(String topic, String headerKey, byte[] value)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.kafka.connect.storage.Converter

fromConnectData, toConnectData

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

DELEGATE_CONVERTER_TYPE

public static final String DELEGATE_CONVERTER_TYPE

See Also:

Constant Field Values

delegateConverter

private org.apache.kafka.connect.storage.Converter delegateConverter

CONFIG_DEF

private static final org.apache.kafka.common.config.ConfigDef CONFIG_DEF

Constructor Detail

ByteBufferConverter

public ByteBufferConverter()

Method Detail

config

public org.apache.kafka.common.config.ConfigDef config()

Specified by:

config in interface org.apache.kafka.connect.storage.HeaderConverter

configure

public void configure(Map<String,?> configs)

Specified by:

configure in interface org.apache.kafka.common.Configurable

configure

public void configure(Map<String,?> configs,
                      boolean isKey)

Specified by:

configure in interface org.apache.kafka.connect.storage.Converter

fromConnectData

public byte[] fromConnectData(String topic,
                              org.apache.kafka.connect.data.Schema schema,
                              Object value)

Specified by:

fromConnectData in interface org.apache.kafka.connect.storage.Converter

assertDataException

private void assertDataException(String name,
                                 Object type)

toConnectData

public org.apache.kafka.connect.data.SchemaAndValue toConnectData(String topic,
                                                                  byte[] value)

Specified by:

toConnectData in interface org.apache.kafka.connect.storage.Converter

fromConnectHeader

public byte[] fromConnectHeader(String topic,
                                String headerKey,
                                org.apache.kafka.connect.data.Schema schema,
                                Object value)

Specified by:

fromConnectHeader in interface org.apache.kafka.connect.storage.HeaderConverter

toConnectHeader

public org.apache.kafka.connect.data.SchemaAndValue toConnectHeader(String topic,
                                                                    String headerKey,
                                                                    byte[] value)

Specified by:

toConnectHeader in interface org.apache.kafka.connect.storage.HeaderConverter

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable