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

Class GridHadoopMultimapBase

java.lang.Object

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

All Implemented Interfaces:

AutoCloseable, GridHadoopMultimap

Direct Known Subclasses:

GridHadoopHashMultimapBase, GridHadoopSkipList

public abstract class GridHadoopMultimapBase
extends Object
implements GridHadoopMultimap

Base class for all multimaps.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	GridHadoopMultimapBase.AdderBase Base class for adders.
protected class	GridHadoopMultimapBase.ReaderBase Reader for key and value.
protected class	GridHadoopMultimapBase.ValueIterator Iterator over values.

Nested classes/interfaces inherited from interface org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopMultimap

GridHadoopMultimap.Adder, GridHadoopMultimap.Key, GridHadoopMultimap.Value, GridHadoopMultimap.Visitor

Field Summary

Fields

Modifier and Type	Field and Description
protected org.gridgain.grid.hadoop.GridHadoopJob	job
protected org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory	mem
protected int	pageSize

Constructor Summary

Constructors

Constructor and Description
GridHadoopMultimapBase(org.gridgain.grid.hadoop.GridHadoopJob job, org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected long	nextValue(long valPtr)
protected void	nextValue(long valPtr, long nextValPtr)
protected int	valueSize(long valPtr)
protected void	valueSize(long valPtr, int size)

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.kernal.processors.hadoop.shuffle.collections.GridHadoopMultimap

input, startAdding, visit

Field Detail

job

protected final org.gridgain.grid.hadoop.GridHadoopJob job

mem

protected final org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem

pageSize

protected final int pageSize

Constructor Detail

GridHadoopMultimapBase

public GridHadoopMultimapBase(org.gridgain.grid.hadoop.GridHadoopJob job,
                      org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem)

Parameters:

job - Job.

mem - Memory.

Method Detail

nextValue

protected void nextValue(long valPtr,
             long nextValPtr)

Parameters:

valPtr - Value page pointer.

nextValPtr - Next value page pointer.

nextValue

protected long nextValue(long valPtr)

Parameters:

valPtr - Value page pointer.

Returns:

Next value page pointer.

valueSize

protected void valueSize(long valPtr,
             int size)

Parameters:

valPtr - Value page pointer.

size - Size.

valueSize

protected int valueSize(long valPtr)

Parameters:

valPtr - Value page pointer.

Returns:

Value size.

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface GridHadoopMultimap