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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package java.beans.beancontext;
import java.util.EventObject;
import java.beans.beancontext.BeanContext;
/**
* <p>
* {@code BeanContextEvent} is the abstract root event class
* for all events emitted
* from, and pertaining to the semantics of, a {@code BeanContext}.
* This class introduces a mechanism to allow the propagation of
* {@code BeanContextEvent} subclasses through a hierarchy of
* {@code BeanContext}s. The {@code setPropagatedFrom()}
* and {@code getPropagatedFrom()} methods allow a
* {@code BeanContext} to identify itself as the source
* of a propagated event.
* </p>
*
* @author Laurence P. G. Cable
* @since 1.2
* @see java.beans.beancontext.BeanContext
*/
public abstract class BeanContextEvent extends EventObject {
private static final long serialVersionUID = 7267998073569045052L;
/**
* Contruct a BeanContextEvent
*
* @param bc The BeanContext source
*/
protected BeanContextEvent(BeanContext bc) {
super(bc);
}
/**
* Gets the {@code BeanContext} associated with this event.
* @return the {@code BeanContext} associated with this event.
*/
public BeanContext getBeanContext() { return (BeanContext)getSource(); }
/**
* Sets the {@code BeanContext} from which this event was propagated.
* @param bc the {@code BeanContext} from which this event
* was propagated
*/
public synchronized void setPropagatedFrom(BeanContext bc) {
propagatedFrom = bc;
}
/**
* Gets the {@code BeanContext} from which this event was propagated.
* @return the {@code BeanContext} from which this
* event was propagated
*/
public synchronized BeanContext getPropagatedFrom() {
return propagatedFrom;
}
/**
* Reports whether or not this event is
* propagated from some other {@code BeanContext}.
* @return {@code true} if propagated, {@code false}
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