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Java > Open Source Codes > org > apache > ojb > otm > lock > LockListener


1 package org.apache.ojb.otm.lock;
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.broker.Identity;
19 import org.apache.ojb.otm.core.Transaction;
20
21 /**
22  *
23  * Protocol to notify when a lock is released by a transaction. This is used by wait strategies to
24  * implementation deadlock prevention/detection/recovery algorithms.
25  *
26  * @author <a HREF="mailto:rraghuram@hotmail.com">Raghu Rajah</a>
27  *
28  */
29 public interface LockListener
30 {
31     public void lockReleased (Transaction tx, Identity oid);
32 }
33
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