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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
5 *
6 * The contents of this file are subject to the terms of either the GNU
7 * General Public License Version 2 only ("GPL") or the Common Development
8 * and Distribution License("CDDL") (collectively, the "License"). You
9 * may not use this file except in compliance with the License. You can obtain
10 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11 * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12 * language governing permissions and limitations under the License.
13 *
14 * When distributing the software, include this License Header Notice in each
15 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16 * Sun designates this particular file as subject to the "Classpath" exception
17 * as provided by Sun in the GPL Version 2 section of the License file that
18 * accompanied this code. If applicable, add the following below the License
19 * Header, with the fields enclosed by brackets [] replaced by your own
20 * identifying information: "Portions Copyrighted [year]
21 * [name of copyright owner]"
22 *
23 * Contributor(s):
24 *
25 * If you wish your version of this file to be governed by only the CDDL or
26 * only the GPL Version 2, indicate your decision by adding "[Contributor]
27 * elects to include this software in this distribution under the [CDDL or GPL
28 * Version 2] license." If you don't indicate a single choice of license, a
29 * recipient has the option to distribute your version of this file under
30 * either the CDDL, the GPL Version 2 or to extend the choice of license to
31 * its licensees as provided above. However, if you add GPL Version 2 code
32 * and therefore, elected the GPL Version 2 license, then the option applies
33 * only if the new code is made subject to such option by the copyright
34 * holder.
35 */
36
37 package javax.enterprise.deploy.model;
38
39 import java.beans.PropertyChangeEvent;
40
41 /**
42 * An Event class describing ConfigBeans being added/subtracted
43 * from a server configuration.
44 */
45 public final class XpathEvent {
46
47 private final DDBean bean;
48 private final Object typ;
49 private PropertyChangeEvent changeEvent;
50
51 /**
52 * Adding a DDBean
53 */
54 public static final Object BEAN_ADDED = new Object();
55 /**
56 * Removing a DDBean
57 */
58 public static final Object BEAN_REMOVED = new Object();
59 /**
60 * Changing a DDBean
61 */
62 public static final Object BEAN_CHANGED = new Object();
63
64 /**
65 * A description of a change in the ConfigBean tree.
66 * @param bean The ConfigBean being added/removed.
67 * @param typ Indicates an add/remove event.
68 */
69 public XpathEvent(DDBean bean, Object typ) {
70 this.bean = bean; this.typ = typ;
71 }
72
73 public PropertyChangeEvent getChangeEvent() {
74 if(typ == BEAN_CHANGED) return changeEvent;
75 return null;
76 }
77
78 public void setChangeEvent(PropertyChangeEvent pce) {
79 changeEvent = pce;
80 }
81
82 /**
83 * The bean being added/removed/changed.
84 * @return The bean being added/removed/changed.
85 */
86 public DDBean getBean() {return bean;}
87
88 /** Is this an add event?
89 * @return true if this is an add event.
90 */
91 public boolean isAddEvent() {return typ == BEAN_ADDED;}
92
93 /** Is this a remove event?
94 * @return true if this is a remove event.
95 */
96 public boolean isRemoveEvent() {return typ == BEAN_REMOVED;}
97
98 /** Is this a change event?
99 * @return true if this is a change event.
100 */
101 public boolean isChangeEvent() {return typ == BEAN_CHANGED;}
102
103 }