EntityServiceFactory


1   /*
2    * $Id: EntityServiceFactory.java 5462 2005-08-05 18:35:48Z jonesde $
3    *
4    * Copyright (c) 2002-2003 The Open For Business Project - www.ofbiz.org
5    *
6    * Permission is hereby granted, free of charge, to any person obtaining a
7    * copy of this software and associated documentation files (the "Software"),
8    * to deal in the Software without restriction, including without limitation
9    * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10   * and/or sell copies of the Software, and to permit persons to whom the
11   * Software is furnished to do so, subject to the following conditions:
12   *
13   * The above copyright notice and this permission notice shall be included
14   * in all copies or substantial portions of the Software.
15   *
16   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
21   * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
22   * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23   *
24   */
25  package org.ofbiz.entityext;
26  
27  import java.util.HashMap  ;
28  
29  import org.ofbiz.entity.GenericDelegator;
30  import org.ofbiz.service.DispatchContext;
31  import org.ofbiz.service.GenericDispatcher;
32  import org.ofbiz.service.LocalDispatcher;
33  
34  /**
35   * EntityEcaUtil
36   *
37   * @author     <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
38   * @version    $Rev: 5462 $
39   * @since      2.1
40   */
41  public class EntityServiceFactory {
42  
43      public static final String   module = EntityServiceFactory.class.getName();
44  
45      public static HashMap   delegatorDispatchers = new HashMap  ();    
46      
47      public static LocalDispatcher getLocalDispatcher(GenericDelegator delegator) {
48          String   delegatorName = delegator.getDelegatorName();
49          GenericDispatcher dispatcher = (GenericDispatcher) delegatorDispatchers.get(delegatorName);
50          if (dispatcher == null) {
51              synchronized (EntityServiceFactory.class) {
52                  dispatcher = (GenericDispatcher) delegatorDispatchers.get(delegatorName);
53                  if (dispatcher == null) {
54                      dispatcher = new GenericDispatcher("entity-" + delegatorName, delegator);
55                      delegatorDispatchers.put(delegatorName, dispatcher);
56                  }
57              }
58          }
59          return dispatcher;
60      }
61      
62      public static DispatchContext getDispatchContext(GenericDelegator delegator) {
63          LocalDispatcher dispatcher = getLocalDispatcher(delegator);
64          if (dispatcher == null) return null;
65          return dispatcher.getDispatchContext();
66      }
67  }
68
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