Package org.apache.kafka.streams.kstream.internals

Class ChangedSerializer<T>

java.lang.Object

org.apache.kafka.streams.kstream.internals.ChangedSerializer<T>

All Implemented Interfaces:

Closeable, AutoCloseable, Serializer<Change<T>>, WrappingNullableSerializer<Change<T>,Void,T>

public class ChangedSerializer<T>
extends Object
implements Serializer<Change<T>>, WrappingNullableSerializer<Change<T>,Void,T>

Constructor Summary

Constructors

Constructor	Description
ChangedSerializer(Serializer<T> inner)

Method Summary

Modifier and Type	Method	Description
void	close()	Close this serializer.
Serializer<T>	inner()
byte[]	serialize(String topic, Headers headers, Change<T> data)	Convert data into a byte array.
byte[]	serialize(String topic, Change<T> data)	Convert data into a byte array.
void	setIfUnset(Serializer<Void> defaultKeySerializer, Serializer<T> defaultValueSerializer)

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.common.serialization.Serializer

configure

Constructor Detail

ChangedSerializer

public ChangedSerializer(Serializer<T> inner)

Method Detail

inner

public Serializer<T> inner()

setIfUnset

public void setIfUnset(Serializer<Void> defaultKeySerializer,
                       Serializer<T> defaultValueSerializer)

Specified by:

setIfUnset in interface WrappingNullableSerializer<Change<T>,Void,T>

serialize

public byte[] serialize(String topic,
                        Headers headers,
                        Change<T> data)

Description copied from interface: Serializer

Convert data into a byte array.

Specified by:

serialize in interface Serializer<T>

Parameters:

topic - topic associated with data

headers - headers associated with the record

data - typed data

Returns:

serialized bytes

Throws:

StreamsException - if both old and new values of data are null, or if both values are not null

serialize

public byte[] serialize(String topic,
                        Change<T> data)

Description copied from interface: Serializer

Convert data into a byte array.

Specified by:

serialize in interface Serializer<T>

Parameters:

topic - topic associated with data

data - typed data

Returns:

serialized bytes

close

public void close()

Description copied from interface: Serializer

Close this serializer.

This method must be idempotent as it may be called multiple times.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface Serializer<T>