2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
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
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.plugins.context.locking.hazelcast;
23 import com.hazelcast.core.HazelcastInstance;
24 import com.hazelcast.core.ILock;
25 import java.util.concurrent.locks.Lock;
26 import java.util.concurrent.locks.ReadWriteLock;
29 * This class maps a Hazelcast {@link ILock} to a Java {@link ReadWriteLock}.
31 * @author Liam Fallon (liam.fallon@ericsson.com)
33 public class HazelcastLock implements ReadWriteLock {
35 private final String lockId;
38 private final ILock readLock;
39 private final ILock writeLock;
42 * Create a Hazelcast lock.
44 * @param hazelcastInstance the hazelcast instance to use to create the lock
45 * @param lockId The unique ID of the lock.
47 public HazelcastLock(final HazelcastInstance hazelcastInstance, final String lockId) {
50 // Create the Hazelcast read and write locks
51 readLock = hazelcastInstance.getLock(lockId + "_READ");
52 writeLock = hazelcastInstance.getLock(lockId + "_WRITE");
56 * Get the lock Id of the lock.
60 public String getLockId() {
68 public Lock readLock() {
76 public Lock writeLock() {