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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.core.lock;
/**
* Callback invoked when a lock is granted or lost.
*
* <p/>
* Note: these methods may or may not be invoked by the thread that requested the lock.
*/
public interface LockCallback {
/**
* Called to indicate that a lock has been granted.
*
* @param lock lock that has been granted
*/
void lockAvailable(Lock lock);
/**
* Called to indicate that a lock is permanently unavailable (e.g., lost, expired).
*
* @param lock lock that has been lost
*/
void lockUnavailable(Lock lock);
}
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