/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.brooklyn.api.mgmt.rebind;
import org.apache.brooklyn.api.objs.BrooklynObject;
/**
* Listener to be notified of changes within brooklyn, so that the new state
* of the entity/location/policy can be persisted.
*
* Users are not expected to implement this class. It is for use by the {@link RebindManager}.
*
* @author aled
*/
public interface ChangeListener {
public static final ChangeListener NOOP = new ChangeListener() {
@Override public void onChanged(BrooklynObject instance) {}
@Override public void onManaged(BrooklynObject instance) {}
@Override public void onUnmanaged(BrooklynObject instance) {}
};
void onManaged(BrooklynObject instance);
void onUnmanaged(BrooklynObject instance);
void onChanged(BrooklynObject instance);
}