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1   package org.apache.ojb.otm.lock.wait;
2   
3   /* Copyright 2003-2005 The Apache Software Foundation
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  import org.apache.ojb.otm.core.Transaction;
19  import org.apache.ojb.otm.lock.LockingException;
20  import org.apache.ojb.otm.lock.ObjectLock;
21  
22  public class NoWaitStrategy implements LockWaitStrategy
23  {
24  
25      /**
26      * @see org.apache.ojb.otm.lock.wait.LockWaitStrategy#waitForLock(ObjectLock, Transaction)
27      */
28      public void waitForLock(ObjectLock lock, Transaction tx)
29          throws LockingException
30      {
31          throw new ConcurrentModificationException(
32              "Object [id: " + lock.getTargetIdentity() 
33              + "] locked by Transaction " + lock.getWriter());
34      }
35  
36  }