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Java > Open Source Codes > org > jboss > kernel > spi > event > KernelEventEmitter


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */

22 package org.jboss.kernel.spi.event;
23
24 /**
25  * An event emitter
26  *
27  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
28  * @version $Revision: 40756 $
29  */

30 public interface KernelEventEmitter
31 {
32    /**
33     * Register a listener
34     *
35     * @param listener the listener
36     * @param filter the filter
37     * @param handback the handback object
38     * @throws Throwable for any error
39     */

40    void registerListener(KernelEventListener listener, KernelEventFilter filter, Object JavaDoc handback) throws Throwable JavaDoc;
41    
42    /**
43     * Unregister a listener
44     *
45     * @param listener the listener
46     * @param filter the filter
47     * @param handback the handback object
48     * @throws Throwable for any error
49     */

50    void unregisterListener(KernelEventListener listener, KernelEventFilter filter, Object JavaDoc handback) throws Throwable JavaDoc;
51
52    /**
53     * Fire an event
54     *
55     * @param event the event
56     */

57    void fireKernelEvent(KernelEvent event);
58 }
59
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