Package org.apache.hadoop.io.serializer

Class WritableSerialization

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.io.serializer.WritableSerialization

All Implemented Interfaces:

Configurable, org.apache.hadoop.io.serializer.Serialization<Writable>

@Public
@Evolving
public class WritableSerialization
extends Configured
implements org.apache.hadoop.io.serializer.Serialization<Writable>

A Serialization for Writables that delegates to Writable.write(java.io.DataOutput) and Writable.readFields(java.io.DataInput).

Constructor Summary

Constructors

Constructor	Description
WritableSerialization()

Method Summary

Modifier and Type	Method	Description
boolean	accept(Class<?> c)	Allows clients to test whether this Serialization supports the given class.
org.apache.hadoop.io.serializer.Deserializer<Writable>	getDeserializer(Class<Writable> c)
org.apache.hadoop.io.serializer.Serializer<Writable>	getSerializer(Class<Writable> c)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Constructor Details

WritableSerialization

public WritableSerialization()

Method Details

accept

@Private
public boolean accept(Class<?> c)

Description copied from interface: org.apache.hadoop.io.serializer.Serialization

Allows clients to test whether this Serialization supports the given class.

Specified by:

accept in interface org.apache.hadoop.io.serializer.Serialization<Writable>

Parameters:

c - class.

Returns:

if accept true,not false.

getSerializer

@Private
public org.apache.hadoop.io.serializer.Serializer<Writable> getSerializer(Class<Writable> c)

Specified by:

getSerializer in interface org.apache.hadoop.io.serializer.Serialization<Writable>

Parameters:

c - class.

Returns:

a Serializer for the given class.

getDeserializer

@Private
public org.apache.hadoop.io.serializer.Deserializer<Writable> getDeserializer(Class<Writable> c)

Specified by:

getDeserializer in interface org.apache.hadoop.io.serializer.Serialization<Writable>

Parameters:

c - class.

Returns:

a Deserializer for the given class.