/*

 * 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

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 */

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;

}