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.locks.ReadWriteLock;
21
22 /***
23 * Represents the interface of a distributed lock manager. Nodes can acquire locks
24 * which are leased. If the LockManager fails then another lock manager is chosen to take its place
25 * and the locks are resumed.
26 *
27 * @version $Revision: 1.1 $
28 */
29 public interface LockManager extends Service {
30
31 /***
32 * Gets hold of the read/write lock for the given ID
33 *
34 * @param id is the unique ID of the lock to acquire
35 * @return
36 */
37 public ReadWriteLock getLock(String id);
38 }