AbstractObservableManager.java
// @formatter:off
/*******************************************************************************
*
* This file is part of JMad.
*
* Copyright (c) 2008-2011, CERN. All rights reserved.
*
* 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.
*
******************************************************************************/
// @formatter:on
package cern.accsoft.steering.jmad.gui.manage;
import java.util.ArrayList;
import java.util.List;
/**
* the base implementation of a class to which listeners can be attached
*
* @author Kajetan Fuchsberger (kajetan.fuchsberger at cern.ch)
* @param <T> the type of listeners that can be attached
*/
public class AbstractObservableManager<T> implements GenericObservableManager<T> {
/** all the listeners to this class. */
private List<T> listeners = new ArrayList<T>();
@Override
public void addListener(T listener) {
this.listeners.add(listener);
}
@Override
public void removeListener(T listener) {
this.listeners.remove(listener);
}
protected List<T> getListeners() {
return this.listeners;
}
}