BasePropertyChangeSupport.java

/*******************************************************************************
 * Copyright (c) 2012 MEDEVIT <office@medevit.at>.
 * 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:
 *     MEDEVIT <office@medevit.at> - initial API and implementation
 ******************************************************************************/
package ch.elexis.core.data.beans.base;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

import org.eclipse.emf.ecore.impl.EObjectImpl;

public abstract class BasePropertyChangeSupport extends EObjectImpl implements
		IPropertyChangeSupport {
	private transient PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);
	
	public void addPropertyChangeListener(PropertyChangeListener listener){
		propertyChangeSupport.addPropertyChangeListener(listener);
	}
	
	public void addPropertyChangeListener(String propertyName, PropertyChangeListener listener){
		propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
	}
	
	public void removePropertyChangeListener(PropertyChangeListener listener){
		propertyChangeSupport.removePropertyChangeListener(listener);
	}
	
	public void removePropertyChangeListener(String propertyName, PropertyChangeListener listener){
		propertyChangeSupport.removePropertyChangeListener(propertyName, listener);
	}
	
	protected void firePropertyChange(String propertyName, Object oldValue, Object newValue){
		propertyChangeSupport.firePropertyChange(propertyName, oldValue, newValue);
		updateCache();
	}
	
	/**
	 * Allows to add a cache to be refreshed each time a property is changed (does not consider the
	 * property type);
	 */
	protected abstract void updateCache();
}