org.apache.storm.state

Class DefaultStateSerializer<T>

java.lang.Object

org.apache.storm.state.DefaultStateSerializer<T>

All Implemented Interfaces:

Serializable, Serializer<T>

public class DefaultStateSerializer<T>
extends Object
implements Serializer<T>

A default implementation that uses Kryo to serialize and de-serialize the state.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DefaultStateSerializer()
DefaultStateSerializer(Map<String,Object> topoConf, TopologyContext context)
DefaultStateSerializer(Map<String,Object> topoConf, TopologyContext context, List<Class<?>> classesToRegister) Constructs a DefaultStateSerializer instance with the given list of classes registered in kryo.

Method Summary

Modifier and Type	Method and Description
T	deserialize(byte[] b)
byte[]	serialize(T obj)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultStateSerializer

public DefaultStateSerializer(Map<String,Object> topoConf,
                              TopologyContext context,
                              List<Class<?>> classesToRegister)

Constructs a DefaultStateSerializer instance with the given list of classes registered in kryo.

Parameters:

classesToRegister - the classes to register.

DefaultStateSerializer

public DefaultStateSerializer(Map<String,Object> topoConf,
                              TopologyContext context)

DefaultStateSerializer

public DefaultStateSerializer()

Method Detail

serialize

public byte[] serialize(T obj)

Specified by:

serialize in interface Serializer<T>

deserialize

public T deserialize(byte[] b)

Specified by:

deserialize in interface Serializer<T>