org.infinispan.topology

Class DefaultRebalancePolicy

java.lang.Object

org.infinispan.topology.DefaultRebalancePolicy

All Implemented Interfaces:

RebalancePolicy

public class DefaultRebalancePolicy
extends Object
implements RebalancePolicy

Default implementation of RebalancePolicy

Since:

5.2

Author:

Dan Berindei

Constructor Summary

Constructors

Constructor and Description
DefaultRebalancePolicy()

Method Summary

Modifier and Type	Method and Description
void	initCache(String cacheName, ClusterCacheStatus cacheStatus) Initialize the policy for a cache, without a list of members.
void	inject(ClusterTopologyManager clusterTopologyManager)
boolean	isBalanced(ConsistentHash ch)
boolean	isRebalancingEnabled()
void	setRebalancingEnabled(boolean enabled)
void	updateCacheStatus(String cacheName, ClusterCacheStatus cacheStatus) Called when the status of a cache changes.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultRebalancePolicy

public DefaultRebalancePolicy()

Method Detail

inject

public void inject(ClusterTopologyManager clusterTopologyManager)

initCache

public void initCache(String cacheName,
                      ClusterCacheStatus cacheStatus)
               throws Exception

Description copied from interface: RebalancePolicy

Initialize the policy for a cache, without a list of members. It won't have any effect if the cache is already initialized.

Specified by:

initCache in interface RebalancePolicy

Throws:

Exception

updateCacheStatus

public void updateCacheStatus(String cacheName,
                              ClusterCacheStatus cacheStatus)
                       throws Exception

Description copied from interface: RebalancePolicy

Called when the status of a cache changes. It could be a node joining or leaving, or a merge, or a

Specified by:

updateCacheStatus in interface RebalancePolicy

Throws:

Exception

isBalanced

public boolean isBalanced(ConsistentHash ch)

isRebalancingEnabled

public boolean isRebalancingEnabled()

Specified by:

isRebalancingEnabled in interface RebalancePolicy

Returns:

true if rebalancing is allowed, false if rebalancing is suspended.

setRebalancingEnabled

public void setRebalancingEnabled(boolean enabled)

Specified by:

setRebalancingEnabled in interface RebalancePolicy

Parameters:

enabled - true to start rebalancing (immediately starting the rebalance if necessary), false to suspend it.