/* java.beans.beancontext.BeanContextMembershipListener
   Copyright (C) 1999 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.
 
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General Public License for more details.

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02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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this exception to your version of the library, but you are not
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package java.beans.beancontext;

import java.util.EventListener;

/**
 * This is the interface to which <code>BeanContextMembershipEvent</code>s are sent.
 * This happens when children are added to or removed from a
 * <code>BeanContext</code>.
 *
 * @author John Keiser
 * @since JDK1.2
 */

public interface BeanContextMembershipListener extends EventListener {
	/**
	 * When beans are added to a <code>BeanContext</code>,
	 * this method is called to fire the event.
	 *
	 * @param event the event, including which children were added.
	 * @see java.beans.beancontext.BeanContext#add(java.lang.Object)
	 */
	void childrenAdded(BeanContextMembershipEvent event);

	/**
	 * When beans are removed from a <code>BeanContext</code>,
	 * this method is called to fire the event.
	 *
	 * @param event the event, including which children were removed.
	 * @see java.beans.beancontext.BeanContext#remove(java.lang.Object)
	 */
	void childrenRemoved(BeanContextMembershipEvent event);
}