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diff --git a/libjava/java/beans/beancontext/BeanContextMembershipEvent.java b/libjava/java/beans/beancontext/BeanContextMembershipEvent.java
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+/* java.beans.beancontext.BeanContextMembershipEvent
+   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
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+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.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.beans.beancontext;
+
+import java.util.Collection;
+import java.util.Arrays;
+import java.util.Iterator;
+
+/**
+ * Event fired when children are added to or removed from a <code>BeanContext</code>.
+ * Whether they were added or removed depends entirely on which method
+ * of the listener interface was called.
+ *
+ * @author John Keiser
+ * @since JDK1.2
+ * @see java.beans.beancontext.BeanContextMembershipListener
+ */
+
+public class BeanContextMembershipEvent extends BeanContextEvent {
+	/**
+	 * The children that were added or removed.
+	 */
+	protected Collection children;
+
+	/**
+	 * Create a new membership event.
+	 * @param context the event source.
+	 * @param children the children added to or removed from the source.
+	 */
+	public BeanContextMembershipEvent(BeanContext context, Collection children) {
+		super(context);
+		this.children = children;
+	}
+
+	/**
+	 * Create a new membership event.
+	 * @param context the event source.
+	 * @param children the children added to or removed from the source.
+	 */
+	public BeanContextMembershipEvent(BeanContext context, Object[] children) {
+		super(context);
+		this.children = Arrays.asList(children);
+	}
+
+	/**
+	 * The number of children removed or added.
+	 * @return the number of children removed or added.
+	 */
+	public int size() {
+		return children.size();
+	}
+
+	/**
+	 * An iterator that will step through all the children.
+	 * @return an iterator over all the children.
+	 */
+	public Iterator iterator() {
+		return children.iterator();
+	}
+
+	/**
+	 * An array of the children.
+	 * @return an array of the children.
+	 */
+	public Object[] toArray() {
+		return children.toArray();
+	}
+
+	/**
+	 * Tell whether the <code>Object</code> is one of the children added or removed.
+	 * @param child the child to check.
+	 * @return whether the <code>Object</code> is added or removed.
+	 */
+	public boolean contains(Object child) {
+		return children.contains(child);
+	}
+}