Jumbo patch:

* Imported beans and serialization
* Updated IA-64 port
* Miscellaneous bug fixes

From-SVN: r34028

libjava/java/beans/beancontext/BeanContextEvent.java

@@ -0,0 +1,91 @@
+/* java.beans.beancontext.BeanContextEvent
+   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.EventObject;
+
+/**
+ * Generic superclass for events fired by <code>BeanContext</code>s.
+ *
+ * @author John Keiser
+ * @since JDK1.2
+ */
+
+public abstract class BeanContextEvent extends EventObject {
+	/**
+	 * The <code>BeanContext</code> that most recently passed this
+	 * event on.
+	 */
+	protected BeanContext propagatedFrom;
+
+	/**
+	 * Create a new event, from the specified <code>BeanContext</code>.
+	 * <code>propagatedFrom</code> will be initialized to
+	 * <code>null</code>.
+	 *
+	 * @param source the source of the event.
+	 */
+	protected BeanContextEvent(BeanContext source) {
+		super(source);
+	}
+
+	/**
+	 * Get the <code>BeanContext</code> that originated this event.
+	 * @return the originator of this event.
+	 */
+	public BeanContext getBeanContext() {
+		return (BeanContext)getSource();
+	}
+
+	/**
+	 * Get the most recent propagator of this event.
+	 * If this value is <code>null</code>, you have received the event
+	 * straight from the source.
+	 *
+	 * @return the most recent propagator of this event.
+	 */
+	public BeanContext getPropagatedFrom() {
+		return propagatedFrom;
+	}
+
+	/**
+	 * Tell whether this event has been propagated.
+	 * @return <code>true</code> iff <code>getPropagatedFrom() != null</code>.
+	 */
+	public boolean isPropagated() {
+		return propagatedFrom != null;
+	}
+
+	/**
+	 * Set the most recent propagator of this event.
+	 * @param propagator the most recent propagator of this event.
+	 */
+	public void setPropagatedFrom(BeanContext propagator) {
+		propagatedFrom = propagator;
+	}
+}