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

Class GridHadoopMultimapBase.AdderBase

java.lang.Object

org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopMultimapBase.AdderBase

All Implemented Interfaces:

AutoCloseable, org.gridgain.grid.hadoop.GridHadoopTaskOutput, GridHadoopMultimap.Adder

Direct Known Subclasses:

GridHadoopConcurrentHashMultimap.AdderImpl

Enclosing class:

GridHadoopMultimapBase

protected abstract class GridHadoopMultimapBase.AdderBase
extends Object
implements GridHadoopMultimap.Adder

Base class for adders.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.gridgain.grid.hadoop.GridHadoopSerialization	keySer
protected org.gridgain.grid.hadoop.GridHadoopSerialization	valSer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GridHadoopMultimapBase.AdderBase()

Method Summary

Methods

Modifier and Type	Method and Description
GridHadoopMultimap.Key	addKey(DataInput in, GridHadoopMultimap.Key reuse)
protected long	allocate(int size)
void	close()
protected void	localDeallocate(long ptr) Rewinds local allocation pointer to the given pointer if possible.
protected long	write(int off, Object o, org.gridgain.grid.hadoop.GridHadoopSerialization ser)
protected int	writtenSize()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gridgain.grid.hadoop.GridHadoopTaskOutput

write

Field Detail

keySer

protected final org.gridgain.grid.hadoop.GridHadoopSerialization keySer

valSer

protected final org.gridgain.grid.hadoop.GridHadoopSerialization valSer

Constructor Detail

GridHadoopMultimapBase.AdderBase

protected GridHadoopMultimapBase.AdderBase()
                                    throws org.gridgain.grid.GridException

Throws:

org.gridgain.grid.GridException - If failed.

Method Detail

write

protected long write(int off,
         Object o,
         org.gridgain.grid.hadoop.GridHadoopSerialization ser)
              throws org.gridgain.grid.GridException

Parameters:

off - Offset.

o - Object.

Returns:

Page pointer.

Throws:

org.gridgain.grid.GridException - If failed.

allocate

protected long allocate(int size)

Parameters:

size - Size.

Returns:

Pointer.

localDeallocate

protected void localDeallocate(long ptr)

Rewinds local allocation pointer to the given pointer if possible.

Parameters:

ptr - Pointer.

writtenSize

protected int writtenSize()

Returns:

Written size.

addKey

public GridHadoopMultimap.Key addKey(DataInput in,
                            @Nullable
                            GridHadoopMultimap.Key reuse)
                              throws org.gridgain.grid.GridException

Specified by:

addKey in interface GridHadoopMultimap.Adder

Parameters:

in - Data input.

reuse - Reusable key.

Returns:

Key.

Throws:

org.gridgain.grid.GridException - If failed.

close

public void close()
           throws org.gridgain.grid.GridException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.gridgain.grid.hadoop.GridHadoopTaskOutput

Throws:

org.gridgain.grid.GridException