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

Class GridHadoopHashMultimap

java.lang.Object

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

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

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

All Implemented Interfaces:

AutoCloseable, GridHadoopMultimap

public class GridHadoopHashMultimap
extends GridHadoopHashMultimapBase

Hash multimap.

Nested Class Summary

Nested classes/interfaces inherited from class org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopHashMultimapBase

GridHadoopHashMultimapBase.Input, GridHadoopHashMultimapBase.Reader

Nested classes/interfaces inherited from class org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopMultimapBase

GridHadoopMultimapBase.AdderBase, GridHadoopMultimapBase.ReaderBase, GridHadoopMultimapBase.ValueIterator

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 inherited from class org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopMultimapBase

job, mem, pageSize

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
int	capacity()
int	keys()
protected long	meta(int idx)
GridHadoopMultimap.Adder	startAdding()

Methods inherited from class org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopHashMultimapBase

collision, collision, input, key, keyHash, keySize, value, value, visit

Methods inherited from class org.gridgain.grid.kernal.processors.hadoop.shuffle.collections.GridHadoopMultimapBase

close, nextValue, nextValue, valueSize, valueSize

Methods inherited from class java.lang.Object

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

Constructor Detail

GridHadoopHashMultimap

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

Parameters:

job - Job.

mem - Memory.

cap - Initial capacity.

Method Detail

startAdding

public GridHadoopMultimap.Adder startAdding()
                                     throws org.gridgain.grid.GridException

Returns:

Adder.

Throws:

org.gridgain.grid.GridException - If failed.

keys

public int keys()

Returns:

Keys count.

capacity

public int capacity()

Specified by:

capacity in class GridHadoopHashMultimapBase

Returns:

Hash table capacity.

meta

protected long meta(int idx)

Specified by:

meta in class GridHadoopHashMultimapBase

Parameters:

idx - Index in hash table.

Returns:

Meta page pointer.