org.apache.flink.runtime.plugable

Class ReusingDeserializationDelegate<T>

java.lang.Object

org.apache.flink.runtime.plugable.ReusingDeserializationDelegate<T>

All Implemented Interfaces:

IOReadableWritable, DeserializationDelegate<T>

public class ReusingDeserializationDelegate<T>
extends Object
implements DeserializationDelegate<T>

A DeserializationDelegate that reuses an existing instance upon deserialization.

Constructor Summary

Constructors

Constructor and Description
ReusingDeserializationDelegate(TypeSerializer<T> serializer)

Method Summary

Modifier and Type	Method and Description
T	getInstance()
void	read(DataInputView in) Reads the object's internal data from the given data input view.
void	setInstance(T instance)
void	write(DataOutputView out) Writes the object's internal data to the given data output view.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReusingDeserializationDelegate

public ReusingDeserializationDelegate(TypeSerializer<T> serializer)

Method Detail

setInstance

public void setInstance(T instance)

Specified by:

setInstance in interface DeserializationDelegate<T>

getInstance

public T getInstance()

Specified by:

getInstance in interface DeserializationDelegate<T>

write

public void write(DataOutputView out)
           throws IOException

Description copied from interface: IOReadableWritable

Writes the object's internal data to the given data output view.

Specified by:

write in interface IOReadableWritable

Parameters:

out - the output view to receive the data.

Throws:

IOException - thrown if any error occurs while writing to the output stream

read

public void read(DataInputView in)
          throws IOException

Description copied from interface: IOReadableWritable

Reads the object's internal data from the given data input view.

Specified by:

read in interface IOReadableWritable

Parameters:

in - the input view to read the data from

Throws:

IOException - thrown if any error occurs while reading from the input stream