01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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.mx.notification;
23:
24: import javax.management.NotificationFilter;
25: import javax.management.NotificationListener;
26:
27: /**
28: * A notification listener registration.<p>
29: *
30: * @see org.jboss.mx.notification.ListenerRegistry
31: * @see org.jboss.mx.notification.ListenerRegistrationFactory
32: *
33: * @author <a href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock</a>.
34: * @version $Revision: 57200 $
35: */
36: public interface ListenerRegistration {
37: /**
38: * Retrieve the listener for this registration.
39: *
40: * @return the listener
41: */
42: NotificationListener getListener();
43:
44: /**
45: * Retrieve the filter for this registration.
46: *
47: * @return the listener
48: */
49: NotificationFilter getFilter();
50:
51: /**
52: * Retrieve the handback object for this registration.
53: *
54: * @return the handback object
55: */
56: Object getHandback();
57:
58: /**
59: * Retrieve the listener that was registered.
60: *
61: * This might be different from listener to use,
62: * e.g. the registration factory may generate a proxy.
63: *
64: * @return the listener
65: */
66: NotificationListener getRegisteredListener();
67:
68: /**
69: * Retrieve the filter that was registered.
70: *
71: * This might be different from filter to use,
72: * e.g. the registration factory may generate a proxy.
73: *
74: * @return the filter
75: */
76: NotificationFilter getRegisteredFilter();
77:
78: /**
79: * Used to tell the registration it is no longer required.
80: */
81: void removed();
82: }
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