org.infinispan.topology.ClusterTopologyManager Maven / Gradle / Ivy
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* Copyright 2012 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
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*
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* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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*/
package org.infinispan.topology;
import org.infinispan.factories.scopes.Scope;
import org.infinispan.factories.scopes.Scopes;
import org.infinispan.remoting.transport.Address;
/**
* Maintains the list of members and performs rebalance operations.
* The {@link RebalancePolicy} actually decides when to perform the rebalance or how to update the
* consistent hash.
*
* @author Dan Berindei
* @since 5.2
*/
@Scope(Scopes.GLOBAL)
public interface ClusterTopologyManager {
/**
* Used by {@link RebalancePolicy} to start a state transfer.
*/
void triggerRebalance(String cacheName) throws Exception;
/**
* Updates the members list and notifies the {@link RebalancePolicy}.
* @return The current consistent hash.
*/
CacheTopology handleJoin(String cacheName, Address joiner, CacheJoinInfo joinInfo, int viewId) throws Exception;
/**
* Updates the members list and notifies the {@link RebalancePolicy}
*/
void handleLeave(String cacheName, Address leaver, int viewId) throws Exception;
/**
* Marks the rebalance as complete on the sender.
*/
void handleRebalanceCompleted(String cacheName, Address node, int topologyId, Throwable throwable, int viewId) throws Exception;
}
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