/*
 * Copyright 2000-2004 The Apache Software Foundation.
 * 
 * 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.
 */
package org.apache.portals.applications.transform;

import java.util.Observable;


/**
 * Transform Object Publisher base implementation.
 *
 * The Transform Object Publisher notifies observers by publishing messages when
 * the transforms have been updated.
 *
 * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
 * @version $Id: TransformObjectPublisher.java,v 1.1 2004/11/15 06:06:41 taylor Exp $
 */
public class TransformObjectPublisher extends Observable
{
    /**
     * Constructor
     *
     */
    public TransformObjectPublisher()
    {
    }
    /**
     * Notify all observers that object has changed.
     * @see java.util.Observable#notifyObservers(Object ob)
     * @param transform
     */        
    public void publish(Transform transform)
    { 
        setChanged(); 
        notifyObservers(transform); 
    } 
    
    

}
