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Oracle® Coherence Java API Reference
Release 3.7.0.0

E18683-01


com.tangosol.net.partition
Interface PartitionAwareBackingMap

All Superinterfaces:
java.util.Map
All Known Implementing Classes:
ObservableSplittingBackingCache, ObservableSplittingBackingMap, PartitionSplittingBackingMap, ReadWriteSplittingBackingMap

public interface PartitionAwareBackingMap
extends java.util.Map

In a partitioned configuration, backing maps that implement the PartitionAwareBackingMap interface are able to react to the partition life-cycle (a partition showing up on a node, or moving away from a node) and manage data more efficiently as a result.

Since:
Coherence 3.5
Author:
cp 2008-11-20

Nested Class Summary

 

Nested classes/interfaces inherited from interface java.util.Map
java.util.Map.Entry

 

Method Summary
 void createPartition(int nPid)
          Add a partition to the PartitionAwareBackingMap.
 void destroyPartition(int nPid)
          Remove a partition from the PartitionAwareBackingMap.
 BackingMapManager getBackingMapManager()
          Obtain the BackingMapManager that this PartitionAwareBackingMap uses to instantiate and release backing maps.
 java.lang.String getName()
          Determine the name of the cache for which this PartitionAwareBackingMap exists.
 java.util.Map getPartitionMap(int nPid)
          Obtain a Map view for the data in a specific partition.
 java.util.Map getPartitionMap(PartitionSet partitions)
          Obtain a Map view for the data in a specific set of partitions.

 

Methods inherited from interface java.util.Map
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

 

Method Detail

getBackingMapManager

BackingMapManager getBackingMapManager()
Obtain the BackingMapManager that this PartitionAwareBackingMap uses to instantiate and release backing maps.
Returns:
the BackingMapManager

getName

java.lang.String getName()
Determine the name of the cache for which this PartitionAwareBackingMap exists.
Returns:
the cache name

createPartition

void createPartition(int nPid)
Add a partition to the PartitionAwareBackingMap.
Parameters:
nPid - the partition id that the PartitionAwareBackingMap will be responsible for, starting at this instant

destroyPartition

void destroyPartition(int nPid)
Remove a partition from the PartitionAwareBackingMap.
Parameters:
nPid - the partition id that the PartitionAwareBackingMap will no longer be responsible for, starting at this instant

getPartitionMap

java.util.Map getPartitionMap(int nPid)
Obtain a Map view for the data in a specific partition.
Parameters:
nPid - the partition ID
Returns:
the backing map (or null if that partition is not owned)

getPartitionMap

java.util.Map getPartitionMap(PartitionSet partitions)
Obtain a Map view for the data in a specific set of partitions.
Parameters:
partitions - the masking PartitionSet
Returns:
a read-only view into a subset of backing maps

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Oracle® Coherence Java API Reference
Release 3.7.0.0

E18683-01


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