Java by API/java.beans.beancontext/BeanContextMembershipListener

implements BeanContextMembershipListener

  
/*
 * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *
 * -Redistribution in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
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 *
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
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 */

import java.beans.beancontext.BeanContextChildSupport;
import java.beans.beancontext.BeanContextMembershipEvent;
import java.beans.beancontext.BeanContextMembershipListener;
import java.beans.beancontext.BeanContextSupport;
/**
 * A simple test program to illustrate delivery of the
 * BeanContextMembershipEvent.
 */
public class MembershipTest {
  public static void main(String[] args) {
    BeanContextSupport context = new BeanContextSupport(); // the context
    MyMembershipListener listener = new MyMembershipListener();
    BeanContextChildSupport bean = new BeanContextChildSupport(); // a
                                    // JavaBean
    context.addBeanContextMembershipListener(listener); // now listening!
    context.add(bean);
    context.remove(bean);
  }
}
/**
 * A custom implementation of the BeanContextMembershipListener interface.
 */
class MyMembershipListener implements BeanContextMembershipListener {
  public void childrenAdded(BeanContextMembershipEvent bcme) {
    System.out.println("Another bean has been added to the context.");
  }
  public void childrenRemoved(BeanContextMembershipEvent bcme) {
    System.out.println("A bean has been removed from the context.");
  }
}