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1   /**
2    * This file Copyright (c) 2012-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.ui.api.app.registry;
35  
36  import info.magnolia.config.registry.DefinitionMetadata;
37  import info.magnolia.event.Event;
38  
39  /**
40   * Event fired by {@link AppDescriptorRegistry} when changes are made to the apps it manages.
41   *
42   * @see AppRegistryEventHandler
43   * @see AppDescriptorRegistry
44   */
45  public class AppRegistryEvent implements Event<AppRegistryEventHandler> {
46  
47      private final AppRegistryEventType eventType;
48      private final DefinitionMetadata appMetadata;
49  
50      public AppRegistryEvent(DefinitionMetadata appMetadata, AppRegistryEventType eventType) {
51          this.eventType = eventType;
52          this.appMetadata = appMetadata;
53      }
54  
55      public AppRegistryEventType getEventType() {
56          return eventType;
57      }
58  
59      public DefinitionMetadata getAppDescriptorMetadata() {
60          return appMetadata;
61      }
62  
63      @Override
64      public void dispatch(AppRegistryEventHandler handler) {
65          switch (eventType) {
66          case REGISTERED:
67              handler.onAppRegistered(this);
68              break;
69          case REREGISTERED:
70              handler.onAppReregistered(this);
71              break;
72          case UNREGISTERED:
73              handler.onAppUnregistered(this);
74              break;
75          }
76      }
77  }