org.infinispan.partitionhandling.impl

Class PreferConsistencyStrategy

java.lang.Object

org.infinispan.partitionhandling.impl.PreferConsistencyStrategy

All Implemented Interfaces:

AvailabilityStrategy

public class PreferConsistencyStrategy
extends Object
implements AvailabilityStrategy

Constructor Summary

Constructors

Constructor and Description
PreferConsistencyStrategy(EventLogManager eventLogManager)

Method Summary

Modifier and Type	Method and Description
protected AvailabilityMode	computeAvailabilityAfterMerge(AvailabilityStrategyContext context, CacheTopology maxStableTopology, List<Address> newMembers, AvailabilityMode initialMode)
protected boolean	isMinorityPartition(List<Address> stableMembers, List<Address> lostMembers)
void	onClusterViewChange(AvailabilityStrategyContext context, List<Address> clusterMembers) Called when the cluster view changed (e.g.
void	onGracefulLeave(AvailabilityStrategyContext context, Address leaver) Called when a node leaves gracefully.
void	onJoin(AvailabilityStrategyContext context, Address joiner) Called when a node joins.
void	onManualAvailabilityChange(AvailabilityStrategyContext context, AvailabilityMode newAvailabilityMode) Called when the administrator manually changes the availability status.
void	onPartitionMerge(AvailabilityStrategyContext context, Collection<CacheStatusResponse> statusResponses) Called when two or more partitions merge, to compute the stable and current cache topologies for the merged cluster.
void	onRebalanceEnd(AvailabilityStrategyContext context) Called when a rebalance ends.

Methods inherited from class java.lang.Object

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

Constructor Detail

PreferConsistencyStrategy

public PreferConsistencyStrategy(EventLogManager eventLogManager)

Method Detail

onJoin

public void onJoin(AvailabilityStrategyContext context,
                   Address joiner)

Description copied from interface: AvailabilityStrategy

Called when a node joins.

Specified by:

onJoin in interface AvailabilityStrategy

onGracefulLeave

public void onGracefulLeave(AvailabilityStrategyContext context,
                            Address leaver)

Description copied from interface: AvailabilityStrategy

Called when a node leaves gracefully.

Specified by:

onGracefulLeave in interface AvailabilityStrategy

onClusterViewChange

public void onClusterViewChange(AvailabilityStrategyContext context,
                                List<Address> clusterMembers)

Description copied from interface: AvailabilityStrategy

Called when the cluster view changed (e.g. because one or more nodes left abruptly).

Specified by:

onClusterViewChange in interface AvailabilityStrategy

isMinorityPartition

protected boolean isMinorityPartition(List<Address> stableMembers,
                                      List<Address> lostMembers)

onPartitionMerge

public void onPartitionMerge(AvailabilityStrategyContext context,
                             Collection<CacheStatusResponse> statusResponses)

Description copied from interface: AvailabilityStrategy

Called when two or more partitions merge, to compute the stable and current cache topologies for the merged cluster.

Specified by:

onPartitionMerge in interface AvailabilityStrategy

computeAvailabilityAfterMerge

protected AvailabilityMode computeAvailabilityAfterMerge(AvailabilityStrategyContext context,
                                                         CacheTopology maxStableTopology,
                                                         List<Address> newMembers,
                                                         AvailabilityMode initialMode)

onRebalanceEnd

public void onRebalanceEnd(AvailabilityStrategyContext context)

Description copied from interface: AvailabilityStrategy

Called when a rebalance ends. Can be used to re-assess the state of the cache and apply pending changes.

Specified by:

onRebalanceEnd in interface AvailabilityStrategy

onManualAvailabilityChange

public void onManualAvailabilityChange(AvailabilityStrategyContext context,
                                       AvailabilityMode newAvailabilityMode)

Description copied from interface: AvailabilityStrategy

Called when the administrator manually changes the availability status.

Specified by:

onManualAvailabilityChange in interface AvailabilityStrategy