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Java > Open Source Codes > org > apache > ojb > otm > lock > wait > LockWaitStrategy


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 /**
23  *
24  * LockWaitStrategy is responsible for waiting for a particular lock to be released. Typically, the
25  * LockWaitStrategy implements deadlock prevention/detection/recovery mechanisms.
26  *
27  * @author <a HREF="mailto:rraghuram@hotmail.com">Raghu Rajah</a>
28  *
29  */

30 public interface LockWaitStrategy
31 {
32     
33     /**
34      * @param lock The lock that the tx is waiting for
35      * @param tx The waiting tx
36      */

37     public void waitForLock(ObjectLock lock, Transaction tx)
38             throws LockingException;
39 }
40
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