/* 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 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
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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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);
}