package org.apache.ojb.otm.lock.wait;

 /* Copyright 2003-2005 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import org.apache.ojb.otm.core.Transaction;

 import org.apache.ojb.otm.lock.LockingException;

 import org.apache.ojb.otm.lock.ObjectLock;

 /**

  *

  * LockWaitStrategy is responsible for waiting for a particular lock to be released. Typically, the

  * LockWaitStrategy implements deadlock prevention/detection/recovery mechanisms.

  *

  * @author <a href="mailto:rraghuram@hotmail.com">Raghu Rajah</a>

  *

  */

 public interface LockWaitStrategy

 {

     /**

      * @param lock The lock that the tx is waiting for

      * @param tx The waiting tx

      */

     public void waitForLock(ObjectLock lock, Transaction tx)

             throws LockingException;

 }