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Java > Open Source Codes > org > osgi > framework > BundleListener


1 /*
2  * $Header: /cvshome/build/org.osgi.framework/src/org/osgi/framework/BundleListener.java,v 1.13 2007/02/21 16:49:05 hargrave Exp $
3  *
4  * Copyright (c) OSGi Alliance (2000, 2007). All Rights Reserved.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 package org.osgi.framework;
20
21 import java.util.EventListener JavaDoc;
22
23 /**
24  * A <code>BundleEvent</code> listener. <code>BundleListener</code> is a
25  * listener interface that may be implemented by a bundle developer. When a
26  * <code>BundleEvent</code> is fired, it is asynchronously delivered to a
27  * <code>BundleListener</code>. The Framework delivers
28  * <code>BundleEvent</code> objects to a <code>BundleListener</code> in
29  * order and must not concurrently call a <code>BundleListener</code>.
30  * <p>
31  * A <code>BundleListener</code> object is registered with the Framework using
32  * the {@link BundleContext#addBundleListener} method.
33  * <code>BundleListener</code>s are called with a <code>BundleEvent</code>
34  * object when a bundle has been installed, resolved, started, stopped, updated,
35  * unresolved, or uninstalled.
36  *
37  * @see BundleEvent
38  * @NotThreadSafe
39  * @version $Revision: 1.13 $
40  */
41
42 public interface BundleListener extends EventListener JavaDoc {
43     /**
44      * Receives notification that a bundle has had a lifecycle change.
45      *
46      * @param event The <code>BundleEvent</code>.
47      */
48     public void bundleChanged(BundleEvent event);
49 }
50
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