org.infinispan.topology

Class LocalTopologyManagerImpl

java.lang.Object

org.infinispan.topology.LocalTopologyManagerImpl

All Implemented Interfaces:

LocalTopologyManager

public class LocalTopologyManagerImpl
extends Object
implements LocalTopologyManager

The LocalTopologyManager implementation.

Since:

5.2

Author:

Dan Berindei

Constructor Summary

Constructors

Constructor and Description
LocalTopologyManagerImpl()

Method Summary

Methods

Modifier and Type	Method and Description
void	confirmRebalance(String cacheName, int topologyId, Throwable throwable) Confirm that the local cache cacheName has finished receiving the new data for topology topologyId.
CacheTopology	getCacheTopology(String cacheName)
void	handleConsistentHashUpdate(String cacheName, CacheTopology cacheTopology, int viewId) Updates the current and/or pending consistent hash, without transferring any state.
void	handleRebalance(String cacheName, CacheTopology cacheTopology, int viewId) Performs the state transfer.
Map<String,Object[]>	handleStatusRequest(int viewId) Recovers the current topology information for all running caches and returns it to the coordinator.
void	inject(Transport transport, ExecutorService asyncTransportExecutor, GlobalComponentRegistry gcr)
boolean	isRebalancingEnabled()
CacheTopology	join(String cacheName, CacheJoinInfo joinInfo, CacheTopologyHandler stm) Forwards the join request to the coordinator.
void	leave(String cacheName) Forwards the leave request to the coordinator.
void	setRebalancingEnabled(boolean enabled)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalTopologyManagerImpl

public LocalTopologyManagerImpl()

Method Detail

inject

public void inject(Transport transport,
          ExecutorService asyncTransportExecutor,
          GlobalComponentRegistry gcr)

start

public void start()

stop

public void stop()

join

public CacheTopology join(String cacheName,
                 CacheJoinInfo joinInfo,
                 CacheTopologyHandler stm)
                   throws Exception

Description copied from interface: LocalTopologyManager

Forwards the join request to the coordinator.

Specified by:

join in interface LocalTopologyManager

Returns:

The current consistent hash.

Throws:

Exception

leave

public void leave(String cacheName)

Description copied from interface: LocalTopologyManager

Forwards the leave request to the coordinator.

Specified by:

leave in interface LocalTopologyManager

confirmRebalance

public void confirmRebalance(String cacheName,
                    int topologyId,
                    Throwable throwable)

Description copied from interface: LocalTopologyManager

Confirm that the local cache cacheName has finished receiving the new data for topology topologyId.

The coordinator can change during the state transfer, so we make the rebalance RPC async and we send the response as a different command.

Specified by:

confirmRebalance in interface LocalTopologyManager

Parameters:

cacheName - the name of the cache

topologyId - the current topology id of the node at the time the rebalance is completed. This must be >= than the one when rebalance starts.

throwable - null unless local rebalance ended because of an error.

handleStatusRequest

public Map<String,Object[]> handleStatusRequest(int viewId)

Description copied from interface: LocalTopologyManager

Recovers the current topology information for all running caches and returns it to the coordinator.

Specified by:

handleStatusRequest in interface LocalTopologyManager

handleConsistentHashUpdate

public void handleConsistentHashUpdate(String cacheName,
                              CacheTopology cacheTopology,
                              int viewId)
                                throws InterruptedException

Description copied from interface: LocalTopologyManager

Updates the current and/or pending consistent hash, without transferring any state.

Specified by:

handleConsistentHashUpdate in interface LocalTopologyManager

Throws:

InterruptedException

handleRebalance

public void handleRebalance(String cacheName,
                   CacheTopology cacheTopology,
                   int viewId)
                     throws InterruptedException

Description copied from interface: LocalTopologyManager

Performs the state transfer.

Specified by:

handleRebalance in interface LocalTopologyManager

Throws:

InterruptedException

getCacheTopology

public CacheTopology getCacheTopology(String cacheName)

Specified by:

getCacheTopology in interface LocalTopologyManager

Returns:

the current topology for a cache.

isRebalancingEnabled

public boolean isRebalancingEnabled()
                             throws Exception

Throws:

Exception

setRebalancingEnabled

public void setRebalancingEnabled(boolean enabled)
                           throws Exception

Throws:

Exception