/*******************************************************************************
* Copyright 2015 xWic group (http://www.xwic.de)
*
* 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 de.jwic.util;
import java.io.Serializable;
/**
* This is a Serializable version of the java.util.Observable class. It is
* recommend to use this version instead of the original one as the
* original one does not support serializsation.
*
* @author Florian Lippisch (original from Chris Warth)
* @see java.util.Observer
* @see de.jwic.util.SerObservable
*/
public interface SerObserver extends Serializable {
/**
* This method is called whenever the observed object is changed. An
* application calls an <tt>Observable</tt> object's
* <code>notifyObservers</code> method to have all the object's
* observers notified of the change.
*
* @param o the observable object.
* @param arg an argument passed to the <code>notifyObservers</code>
* method.
*/
void update(SerObservable o, Object arg);
}