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/*******************************************************************************
* Copyright (c) 2006, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Matthew Hall - bug 146397
*******************************************************************************/
package org.eclipse.core.databinding.observable;
/**
* @since 1.0
*
*/
public abstract class ChangeSupport extends ChangeManager {
/**
* @param realm
*/
public ChangeSupport(Realm realm) {
super(realm);
}
public void addListener(Object listenerType,
IObservablesListener listener) {
super.addListener(listenerType, listener);
}
public void removeListener(Object listenerType,
IObservablesListener listener) {
super.removeListener(listenerType, listener);
}
public void fireEvent(ObservableEvent event) {
super.fireEvent(event);
}
/**
*
*/
protected abstract void firstListenerAdded();
/**
*
*/
protected abstract void lastListenerRemoved();
/**
* @param listener
*/
public void addChangeListener(IChangeListener listener) {
addListener(ChangeEvent.TYPE, listener);
}
/**
* @param listener
*/
public void removeChangeListener(IChangeListener listener) {
removeListener(ChangeEvent.TYPE, listener);
}
/**
* @param listener
*/
public void addStaleListener(IStaleListener listener) {
addListener(StaleEvent.TYPE, listener);
}
/**
* @param listener
*/
public void removeStaleListener(IStaleListener listener) {
removeListener(StaleEvent.TYPE, listener);
}
/**
* @param listener
* @since 1.2
*/
public void addDisposeListener(IDisposeListener listener) {
addListener(DisposeEvent.TYPE, listener);
}
/**
* @param listener
* @since 1.2
*/
public void removeDisposeListener(IDisposeListener listener) {
removeListener(DisposeEvent.TYPE, listener);
}
}
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