org.apache.kafka.common.serialization

Interface Serializer<T>

Type Parameters:

T - Type to be serialized from. A class that implements this interface is expected to have a constructor with no parameter.

Implement ClusterResourceListener to receive cluster metadata once it's available. Please see the class documentation for ClusterResourceListener for more information.

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

ByteArraySerializer, ByteBufferSerializer, BytesSerializer, DoubleSerializer, IntegerSerializer, LongSerializer, StringSerializer

public interface Serializer<T>
extends Closeable

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close this serializer.
void	configure(Map<String,?> configs, boolean isKey) Configure this class.
byte[]	serialize(String topic, T data)

Method Detail

configure

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

Configure this class.

Parameters:

configs - configs in key/value pairs

isKey - whether is for key or value

serialize

byte[] serialize(String topic,
               T data)

Parameters:

topic - topic associated with data

data - typed data

Returns:

serialized bytes

close

void close()

Close this serializer. This method has to be idempotent if the serializer is used in KafkaProducer because it might be called multiple times.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable