Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/model/UmlChangeEvent.java
// $Id: UmlChangeEvent.java 12941 2007-07-01 04:41:24Z tfmorris $
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package org.argouml.model;

import java.beans.PropertyChangeEvent;
import java.util.EventObject;

/**
 * A change event dues to change in the model.
 *
 * @author Bob Tarling
 */
public abstract class UmlChangeEvent extends PropertyChangeEvent {

    /**
     * The original event that caused this event to be propogated.
     * Useful for debugging purposes. Not to be made available to the
     * client code as this is implementation specific.
     */
    private EventObject originalEvent;

    /**
     * Constructor.
     *
     * @param source  The bean that fired the event.
     * @param propertyName  The programmatic name of the property
     *		that was changed.
     * @param oldValue  The old value of the property.
     * @param newValue  The new value of the property.
     * @param theOriginalEvent The event that was fired internally
     *     in the Model subsystem that caused this.
     */
    public UmlChangeEvent(Object source, String propertyName, Object oldValue,
            Object newValue, EventObject theOriginalEvent) {
        super(source, propertyName, oldValue, newValue);
        originalEvent = theOriginalEvent;
    }

    /**
     * @return Returns the originalEvent.
     */
    protected EventObject getOriginalEvent() {
        return originalEvent;
    }
    
    @Override
    public String toString() {
        return super.toString() + ": " + originalEvent;
    }
}
