/*
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you 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 the following location:
*
* 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.jasig.cas.ticket.registry.support;
/**
* Strategy pattern for defining a locking strategy in support of exclusive
* execution of some process.
*
* @author Marvin S. Addison
* @since 3.3.6
*
*/
public interface LockingStrategy {
/**
* Attempt to acquire the lock.
*
* @return True if lock was successfully acquired, false otherwise.
*/
boolean acquire();
/**
* Release the lock if held. If the lock is not held nothing is done.
*/
void release();
}