001package org.eclipse.aether.named.hazelcast;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import com.hazelcast.core.HazelcastInstance;
023import com.hazelcast.cp.ISemaphore;
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{
032    @Override
033    public ISemaphore acquireSemaphore( HazelcastInstance hazelcastInstance, String name )
034    {
035        return hazelcastInstance.getCPSubsystem().getSemaphore( NAME_PREFIX + name );
036    }
037
038    @Override
039    public void releaseSemaphore( HazelcastInstance hazelcastInstance, String name, ISemaphore semaphore )
040    {
041        // nothing
042    }
043}