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1   /***
2    * 
3    * Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.logicblaze.lingo.lock;
19  
20  import edu.emory.mathcs.backport.java.util.concurrent.TimeUnit;
21  import edu.emory.mathcs.backport.java.util.concurrent.locks.Condition;
22  import edu.emory.mathcs.backport.java.util.concurrent.locks.Lock;
23  import edu.emory.mathcs.backport.java.util.concurrent.locks.ReentrantLock;
24  
25  /***
26   *
27   * @version $Revision: 1.1 $
28   */
29  public class DeadlockingWriteLock implements Lock {
30      private ReentrantLock delegate;
31  
32      public void lock() {
33          boolean locked = delegate.tryLock();
34          if (!locked) {
35              // lets check if there are folks waiting on the current owner
36          }
37      }
38  
39      public void lockInterruptibly() throws InterruptedException {
40          delegate.lockInterruptibly();
41      }
42  
43      public Condition newCondition() {
44          return delegate.newCondition();
45      }
46  
47      public boolean tryLock() {
48          return delegate.tryLock();
49      }
50  
51      public boolean tryLock(long arg0, TimeUnit arg1) throws InterruptedException {
52          return delegate.tryLock(arg0, arg1);
53      }
54  
55      public void unlock() {
56          delegate.unlock();
57      }
58  }