net.sf.ehcache.cluster
Class NoopCacheCluster

java.lang.Object
  net.sf.ehcache.cluster.NoopCacheCluster

All Implemented Interfaces:

CacheCluster

public class NoopCacheCluster
extends java.lang.Object
implements CacheCluster

This is a dummy implementation of the CacheCluster (Null Object Pattern). It ignores all listeners and reports no nodes.

Since:

2.0

Author:

Geert Bevin

Field Summary

static CacheCluster

INSTANCE A singleton instance you can use rather than constructing your own.

Constructor Summary

NoopCacheCluster()

Method Summary

boolean	addTopologyListener(ClusterTopologyListener listener) Add a listener for cluster events
java.util.Collection<ClusterNode>	getNodes() Get all the nodes in the cluster
ClusterScheme	getScheme() Always returns the ClusterScheme.NONE
boolean	removeTopologyListener(ClusterTopologyListener listener) Remove a listener for cluster events

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final CacheCluster INSTANCE

A singleton instance you can use rather than constructing your own.

Constructor Detail

NoopCacheCluster

public NoopCacheCluster()

Method Detail

getNodes

public java.util.Collection<ClusterNode> getNodes()

Get all the nodes in the cluster

Specified by:

getNodes in interface CacheCluster

Returns:

All the ClusterNodes

getScheme

public ClusterScheme getScheme()

Always returns the ClusterScheme.NONE

Specified by:

getScheme in interface CacheCluster

Returns:

ClusterScheme.NONE

addTopologyListener

public boolean addTopologyListener(ClusterTopologyListener listener)

Add a listener for cluster events

Specified by:

addTopologyListener in interface CacheCluster

Parameters:

listener - Listener

Returns:

True if already listening

removeTopologyListener

public boolean removeTopologyListener(ClusterTopologyListener listener)

Remove a listener for cluster events

Specified by:

removeTopologyListener in interface CacheCluster

Parameters:

listener - Listener

Returns:

True if not listening