1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* $Header: /cvshome/build/org.osgi.framework/src/org/osgi/framework/FrameworkEvent.java,v 1.15 2007/02/20 00:14:12 hargrave Exp $
*
* Copyright (c) OSGi Alliance (2004, 2007). All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.osgi.framework;
import java.util.EventObject;
/**
* A general event from the Framework.
*
* <p>
* <code>FrameworkEvent</code> objects are delivered to
* <code>FrameworkListener</code>s when a general event occurs within the
* OSGi environment. A type code is used to identify the event type for future
* extendability.
*
* <p>
* OSGi Alliance reserves the right to extend the set of event types.
*
* @Immutable
* @see FrameworkListener
* @version $Revision: 1.15 $
*/
public class FrameworkEvent extends EventObject {
static final long serialVersionUID = 207051004521261705L;
/**
* Bundle related to the event.
*/
private final Bundle bundle;
/**
* Exception related to the event.
*/
private final Throwable throwable;
/**
* Type of event.
*/
private final int type;
/**
* The Framework has started.
*
* <p>
* This event is fired when the Framework has started after all installed
* bundles that are marked to be started have been started and the Framework
* has reached the intitial start level.
*
* <p>
* The value of <code>STARTED</code> is 0x00000001.
*
* @see "<code>StartLevel</code>"
*/
public final static int STARTED = 0x00000001;
/**
* An error has occurred.
*
* <p>
* There was an error associated with a bundle.
*
* <p>
* The value of <code>ERROR</code> is 0x00000002.
*/
public final static int ERROR = 0x00000002;
/**
* A PackageAdmin.refreshPackage operation has completed.
*
* <p>
* This event is fired when the Framework has completed the refresh packages
* operation initiated by a call to the PackageAdmin.refreshPackages method.
*
* <p>
* The value of <code>PACKAGES_REFRESHED</code> is 0x00000004.
*
* @since 1.2
* @see "<code>PackageAdmin.refreshPackages</code>"
*/
public final static int PACKAGES_REFRESHED = 0x00000004;
/**
* A StartLevel.setStartLevel operation has completed.
*
* <p>
* This event is fired when the Framework has completed changing the active
* start level initiated by a call to the StartLevel.setStartLevel method.
*
* <p>
* The value of <code>STARTLEVEL_CHANGED</code> is 0x00000008.
*
* @since 1.2
* @see "<code>StartLevel</code>"
*/
public final static int STARTLEVEL_CHANGED = 0x00000008;
/**
* A warning has occurred.
*
* <p>
* There was a warning associated with a bundle.
*
* <p>
* The value of <code>WARNING</code> is 0x00000010.
*
* @since 1.3
*/
public final static int WARNING = 0x00000010;
/**
* An informational event has occurred.
*
* <p>
* There was an informational event associated with a bundle.
*
* <p>
* The value of <code>INFO</code> is 0x00000020.
*
* @since 1.3
*/
public final static int INFO = 0x00000020;
/**
* Creates a Framework event.
*
* @param type The event type.
* @param source The event source object. This may not be <code>null</code>.
* @deprecated As of 1.2. This constructor is deprecated in favor of using
* the other constructor with the System Bundle as the event
* source.
*/
public FrameworkEvent(int type, Object source) {
super(source);
this.type = type;
this.bundle = null;
this.throwable = null;
}
/**
* Creates a Framework event regarding the specified bundle.
*
* @param type The event type.
* @param bundle The event source.
* @param throwable The related exception. This argument may be
* <code>null</code> if there is no related exception.
*/
public FrameworkEvent(int type, Bundle bundle, Throwable throwable) {
super(bundle);
this.type = type;
this.bundle = bundle;
this.throwable = throwable;
}
/**
* Returns the exception related to this event.
*
* @return The related exception or <code>null</code> if none.
*/
public Throwable getThrowable() {
return throwable;
}
/**
* Returns the bundle associated with the event. This bundle is also the
* source of the event.
*
* @return The bundle associated with the event.
*/
public Bundle getBundle() {
return bundle;
}
/**
* Returns the type of framework event.
* <p>
* The type values are:
* <ul>
* <li>{@link #STARTED}
* <li>{@link #ERROR}
* <li>{@link #WARNING}
* <li>{@link #INFO}
* <li>{@link #PACKAGES_REFRESHED}
* <li>{@link #STARTLEVEL_CHANGED}
* </ul>
*
* @return The type of state change.
*/
public int getType() {
return type;
}
}
|
