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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.constructs.nonstop.concurrency;
18  
19  import net.sf.ehcache.concurrent.CacheLockProvider;
20  import net.sf.ehcache.concurrent.Sync;
21  import net.sf.ehcache.constructs.nonstop.NonstopActiveDelegateHolder;
22  import net.sf.ehcache.constructs.nonstop.store.NonstopStore;
23  
24  /***
25   *
26   * Class implementing {@link CacheLockProvider} with nonstop feature
27   *
28   * @author Abhishek Sanoujam
29   *
30   */
31  public class NonstopCacheLockProvider implements CacheLockProvider {
32  
33      private final NonstopStore nonstopStore;
34      private final NonstopActiveDelegateHolder nonstopActiveDelegateHolder;
35      private final ExplicitLockingContextThreadLocal explicitLockingContextThreadLocal;
36  
37      /***
38       * Public constructor
39       *
40       * @param nonstopStore
41       * @param nonstopActiveDelegateHolder
42       * @param explicitLockingContextThreadLocal
43       */
44      public NonstopCacheLockProvider(NonstopStore nonstopStore, NonstopActiveDelegateHolder nonstopActiveDelegateHolder,
45              ExplicitLockingContextThreadLocal explicitLockingContextThreadLocal) {
46          this.nonstopStore = nonstopStore;
47          this.nonstopActiveDelegateHolder = nonstopActiveDelegateHolder;
48          this.explicitLockingContextThreadLocal = explicitLockingContextThreadLocal;
49      }
50  
51      /***
52       * {@inheritDoc}
53       */
54      public Sync getSyncForKey(Object key) {
55          return new NonstopSync(nonstopStore, nonstopActiveDelegateHolder, explicitLockingContextThreadLocal, key);
56      }
57  }