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1   /***
2    *  Copyright 2003-2010 Terracotta, Inc.
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License.
15   */
16  
17  package net.sf.ehcache.loader;
18  
19  
20  import net.sf.ehcache.CacheException;
21  
22  
23  import org.slf4j.Logger;
24  import org.slf4j.LoggerFactory;
25  
26  
27  /***
28   * Written for Dead-lock poc
29   *
30   * @author <a href="mailto:gluck@gregluck.com">Greg Luck</a>
31   * @version $Id: ComponentALoader.html 13146 2011-08-01 17:12:39Z oletizi $
32   */
33  public class ComponentALoader extends BaseComponentLoader {
34  
35      private static final Logger LOG = LoggerFactory.getLogger(ComponentALoader.class.getName());
36  
37      /***
38       * @return
39       */
40      public String getName() {
41          return "LoaderA";
42      }
43  
44      /***
45       * @param arg0
46       * @return
47       * @throws CacheException
48       */
49      public Object load(Object arg0) throws CacheException {
50          String key = null;
51          ComponentA a = null;
52          ComponentB b = null;
53  
54          boolean createDeadLock = Boolean.valueOf(props.getProperty("createDeadLock")).booleanValue();
55  
56          LOG.info("createDeadLock=" + createDeadLock);
57  
58          if (createDeadLock) {
59              key = (String) arg0;
60          } else {
61              key = new String((String) arg0);
62          }
63  
64          LOG.info("Getting componentB...");
65          b = (ComponentB) CacheHelper.get("ehcache-loaderinteractions.xml", "BCache", key);
66  
67          return new ComponentA(key, b);
68  
69      }
70  
71  }