/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY 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 along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.notifications.cachelistener.event;
import org.infinispan.distribution.ch.ConsistentHash;
import org.infinispan.notifications.cachelistener.annotation.TopologyChanged;
/**
* The event passed in to methods annotated with {@link TopologyChanged}.
*
* @author Manik Surtani
* @since 5.0
*/
public interface TopologyChangedEvent<K, V> extends Event<K, V> {
/**
* @return retrieves the consistent hash at the start of a topology change
*/
ConsistentHash getConsistentHashAtStart();
/**
* @return retrieves the consistent hash at the end of a topology change
*/
ConsistentHash getConsistentHashAtEnd();
}