01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41:
42: package threaddemo.util;
43:
44: import java.util.EventListener;
45:
46: /**
47: * Listener for changes in the status of a two-way support.
48: * @author Jesse Glick
49: * @see TwoWaySupport
50: */
51: public interface TwoWayListener<DM, UMD, DMD> extends EventListener {
52:
53: /**
54: * Called when a new derived value has been produced.
55: * May have been a result of a synchronous or asynchronous derivation.
56: * @param evt the associated event with more information
57: */
58: void derived(TwoWayEvent.Derived<DM, UMD, DMD> evt);
59:
60: /**
61: * Called when a derived model has been invalidated.
62: * @param evt the associated event with more information
63: */
64: void invalidated(TwoWayEvent.Invalidated<DM, UMD, DMD> evt);
65:
66: /**
67: * Called when the derived model was changed and the underlying model recreated.
68: * @param evt the associated event with more information
69: */
70: void recreated(TwoWayEvent.Recreated<DM, UMD, DMD> evt);
71:
72: /**
73: * Called when changes in the underlying model were clobbered by changes to
74: * the derived model.
75: * @param evt the associated event with more information
76: */
77: void clobbered(TwoWayEvent.Clobbered<DM, UMD, DMD> evt);
78:
79: /**
80: * Called when the reference to the derived model was garbage collected.
81: * @param evt the associated event
82: */
83: void forgotten(TwoWayEvent.Forgotten<DM, UMD, DMD> evt);
84:
85: /**
86: * Called when an attempted derivation failed with an exception.
87: * The underlying model is thus considered to be in an inconsistent state.
88: * @param evt the associated event with more information
89: */
90: void broken(TwoWayEvent.Broken<DM, UMD, DMD> evt);
91:
92: }
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