org.apache.hadoop.mapred

Class JvmTask

java.lang.Object

org.apache.hadoop.mapred.JvmTask

All Implemented Interfaces:

Writable

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class JvmTask
extends Object
implements Writable

Task abstraction that can be serialized, implements the writable interface.

Constructor Summary

Constructors

Constructor and Description
JvmTask()
JvmTask(Task t, boolean shouldDie)

Method Summary

Methods

Modifier and Type	Method and Description
Task	getTask()
void	readFields(DataInput in) Deserialize the fields of this object from in.
boolean	shouldDie()
void	write(DataOutput out) Serialize the fields of this object to out.

Methods inherited from class java.lang.Object

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

Constructor Detail

JvmTask

public JvmTask(Task t,
       boolean shouldDie)

JvmTask

public JvmTask()

Method Detail

getTask

public Task getTask()

shouldDie

public boolean shouldDie()

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException