/* * Copyright (c) 1998, 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.beans.beancontext; import java.beans.beancontext.BeanContextEvent; import java.beans.beancontext.BeanContextServices; /** * <p> * This event type is used by the * <code>BeanContextServiceRevokedListener</code> in order to * identify the service being revoked. * </p> */public class BeanContextServiceRevokedEvent extends BeanContextEvent {    private static final long serialVersionUID = -1295543154724961754L;     /**     * Construct a <code>BeanContextServiceEvent</code>.     * @param bcs the <code>BeanContextServices</code>     * from which this service is being revoked     * @param sc the service that is being revoked     * @param invalidate <code>true</code> for immediate revocation     */    public BeanContextServiceRevokedEvent(BeanContextServices bcs, Class sc, boolean invalidate) {        super((BeanContext)bcs);         serviceClass    = sc;        invalidateRefs  = invalidate;    }     /**     * Gets the source as a reference of type <code>BeanContextServices</code>     * @return the <code>BeanContextServices</code> from which     * this service is being revoked     */    public BeanContextServices getSourceAsBeanContextServices() {        return (BeanContextServices)getBeanContext();    }     /**     * Gets the service class that is the subject of this notification     * @return A <code>Class</code> reference to the     * service that is being revoked     */    public Class getServiceClass() { return serviceClass; }     /**     * Checks this event to determine whether or not     * the service being revoked is of a particular class.     * @param service the service of interest (should be non-null)     * @return <code>true</code> if the service being revoked is of the     * same class as the specified service     */    public boolean isServiceClass(Class service) {        return serviceClass.equals(service);    }     /**     * Reports if the current service is being forcibly revoked,     * in which case the references are now invalidated and unusable.     * @return <code>true</code> if current service is being forcibly revoked     */    public boolean isCurrentServiceInvalidNow() { return invalidateRefs; }     /**     * fields     */     /**     * A <code>Class</code> reference to the service that is being revoked.     */    protected Class                      serviceClass;    private   boolean                    invalidateRefs;}