01: /*
02: * Copyright (c) 1998-2004 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package javax.enterprise.deploy.model;
30:
31: import java.beans.PropertyChangeEvent;
32:
33: /**
34: * Listener for XpathEvents.
35: */
36: public final class XpathEvent {
37: public static final Object BEAN_ADDED = new Object();
38: public static final Object BEAN_REMOVED = new Object();
39: public static final Object BEAN_CHANGED = new Object();
40:
41: private DDBean _bean;
42: private Object _type;
43:
44: private PropertyChangeEvent _event;
45:
46: public XpathEvent(DDBean bean, Object type) {
47: _bean = bean;
48: _type = type;
49: }
50:
51: /**
52: * Returns the change event.
53: */
54: public PropertyChangeEvent getChangeEvent() {
55: return _event;
56: }
57:
58: /**
59: * Sets the change event.
60: */
61: public void setChangeEvent(PropertyChangeEvent event) {
62: _event = event;
63: }
64:
65: /**
66: * Returns the changing bean.
67: */
68: public DDBean getBean() {
69: return _bean;
70: }
71:
72: /**
73: * Returns true if this is an add event.
74: */
75: public boolean isAddEvent() {
76: return _type == BEAN_ADDED;
77: }
78:
79: /**
80: * Returns true if this is a remove event.
81: */
82: public boolean isRemoveEvent() {
83: return _type == BEAN_REMOVED;
84: }
85:
86: /**
87: * Returns true if this is a change event.
88: */
89: public boolean isChangeEvent() {
90: return _type == BEAN_CHANGED;
91: }
92: }
|