org.apache.flink.connector.kafka.source.enumerator

Class KafkaSourceEnumStateSerializer

java.lang.Object

org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumStateSerializer

All Implemented Interfaces:

SimpleVersionedSerializer<KafkaSourceEnumState>, Versioned

@Internal
public class KafkaSourceEnumStateSerializer
extends Object
implements SimpleVersionedSerializer<KafkaSourceEnumState>

The Serializer for the enumerator state of Kafka source.

Constructor Summary

Constructors

Constructor and Description
KafkaSourceEnumStateSerializer()

Method Summary

Modifier and Type	Method and Description
KafkaSourceEnumState	deserialize(int version, byte[] serialized) De-serializes the given data (bytes) which was serialized with the scheme of the indicated version.
int	getVersion() Gets the version with which this serializer serializes.
byte[]	serialize(KafkaSourceEnumState enumState) Serializes the given object.

Methods inherited from class java.lang.Object

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

Constructor Detail

KafkaSourceEnumStateSerializer

public KafkaSourceEnumStateSerializer()

Method Detail

getVersion

public int getVersion()

Description copied from interface: SimpleVersionedSerializer

Gets the version with which this serializer serializes.

Specified by:

getVersion in interface SimpleVersionedSerializer<KafkaSourceEnumState>

Specified by:

getVersion in interface Versioned

Returns:

The version of the serialization schema.

serialize

public byte[] serialize(KafkaSourceEnumState enumState)
                 throws IOException

Description copied from interface: SimpleVersionedSerializer

Serializes the given object. The serialization is assumed to correspond to the current serialization version (as returned by SimpleVersionedSerializer.getVersion().

Specified by:

serialize in interface SimpleVersionedSerializer<KafkaSourceEnumState>

Parameters:

enumState - The object to serialize.

Returns:

The serialized data (bytes).

Throws:

IOException - Thrown, if the serialization fails.

deserialize

public KafkaSourceEnumState deserialize(int version,
                                        byte[] serialized)
                                 throws IOException

Description copied from interface: SimpleVersionedSerializer

De-serializes the given data (bytes) which was serialized with the scheme of the indicated version.

Specified by:

deserialize in interface SimpleVersionedSerializer<KafkaSourceEnumState>

Parameters:

version - The version in which the data was serialized

serialized - The serialized data

Returns:

The deserialized object

Throws:

IOException - Thrown, if the deserialization fails.