/*
* Copyright 1999-2008 University of Chicago
*
* 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.
*/
package org.globus.workspace;
import edu.emory.mathcs.backport.java.util.concurrent.locks.Lock;
import edu.emory.mathcs.backport.java.util.concurrent.locks.ReentrantLock;
import java.util.Map;
import java.util.HashMap;
public class DefaultLockManager implements LockManager {
private final Map locks;
public DefaultLockManager() {
this.locks = new HashMap(512);
}
public synchronized Lock getLock(int key) {
return this.getLock(String.valueOf(key));
}
public synchronized Lock getLock(String key) {
Lock lock = (Lock)this.locks.get(key);
if (lock == null) {
lock = new ReentrantLock(true);
this.locks.put(key, lock);
}
return lock;
}
public synchronized void removeLock(int key) {
this.removeLock(String.valueOf(key));
}
public synchronized void removeLock(String key) {
this.locks.remove(key);
}
}