/*
* Copyright Terracotta, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ehcache.core.events;
import org.ehcache.Status;
/**
* Interface for listeners interested in {@link org.ehcache.CacheManager} state transitions.
*/
public interface StateChangeListener {
/**
* Is notified when a state transition occurred.
* Any exception thrown by this listener will not affect the transition.
*
* @param from previous state
* @param to new state
*/
void stateTransition(Status from, Status to);
}