org.gridgain.grid.kernal.processors.hadoop.shuffle

Class GridHadoopShuffleMessage

java.lang.Object

org.gridgain.grid.kernal.processors.hadoop.shuffle.GridHadoopShuffleMessage

All Implemented Interfaces:

Externalizable, Serializable, GridHadoopMessage

public class GridHadoopShuffleMessage
extends Object
implements GridHadoopMessage, Externalizable

Shuffle message.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	GridHadoopShuffleMessage.Visitor Visitor.

Constructor Summary

Constructors

Constructor and Description
GridHadoopShuffleMessage()
GridHadoopShuffleMessage(org.gridgain.grid.hadoop.GridHadoopJobId jobId, int reducer, int size)

Method Summary

Methods

Modifier and Type	Method and Description
void	addKey(long keyPtr, int keySize)
void	addValue(long valPtr, int valSize)
boolean	available(int size, boolean valOnly)
byte[]	buffer()
long	id()
org.gridgain.grid.hadoop.GridHadoopJobId	jobId()
int	offset()
void	readExternal(ObjectInput in)
int	reducer()
String	toString()
void	visit(GridHadoopShuffleMessage.Visitor v)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

GridHadoopShuffleMessage

public GridHadoopShuffleMessage()

GridHadoopShuffleMessage

public GridHadoopShuffleMessage(org.gridgain.grid.hadoop.GridHadoopJobId jobId,
                        int reducer,
                        int size)

Parameters:

size - Size.

Method Detail

id

public long id()

Returns:

Message ID.

jobId

public org.gridgain.grid.hadoop.GridHadoopJobId jobId()

Returns:

Job ID.

reducer

public int reducer()

Returns:

Reducer.

buffer

public byte[] buffer()

Returns:

Buffer.

offset

public int offset()

Returns:

Offset.

available

public boolean available(int size,
                boolean valOnly)

Parameters:

size - Size.

valOnly - Only value wll be added.

Returns:

true If this message can fit additional data of this size

addKey

public void addKey(long keyPtr,
          int keySize)

Parameters:

keyPtr - Key pointer.

keySize - Key size.

addValue

public void addValue(long valPtr,
            int valSize)

Parameters:

valPtr - Value pointer.

valSize - Value size.

visit

public void visit(GridHadoopShuffleMessage.Visitor v)
           throws org.gridgain.grid.GridException

Parameters:

v - Visitor.

Throws:

org.gridgain.grid.GridException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

toString

public String toString()

Overrides:

toString in class Object