001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.eclipse.aether.named.hazelcast;
020
021import com.hazelcast.core.HazelcastInstance;
022import com.hazelcast.cp.ISemaphore;
023import org.eclipse.aether.named.NamedLockKey;
024
025/**
026 * Direct provider of {@link ISemaphore} instances: it simply uses the passed in lock name to create semaphore name out
027 * of it. This implies, that as many lock names are requested from it, this class will create as many semaphores in
028 * Hazelcast.
029 */
030public class DirectHazelcastSemaphoreProvider extends HazelcastSemaphoreProvider {
031    @Override
032    public ISemaphore acquireSemaphore(HazelcastInstance hazelcastInstance, NamedLockKey key) {
033        return hazelcastInstance.getCPSubsystem().getSemaphore(NAME_PREFIX + key.name());
034    }
035
036    @Override
037    public void releaseSemaphore(HazelcastInstance hazelcastInstance, NamedLockKey key, ISemaphore semaphore) {
038        // nothing
039    }
040}