1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.eclipse.aether.named.hazelcast;
20
21 import com.hazelcast.core.HazelcastInstance;
22 import com.hazelcast.cp.ISemaphore;
23 import org.eclipse.aether.named.NamedLockKey;
24
25 /**
26 * Direct provider of {@link ISemaphore} instances: it simply uses the passed in lock name to create semaphore name out
27 * of it. This implies, that as many lock names are requested from it, this class will create as many semaphores in
28 * Hazelcast.
29 */
30 public class DirectHazelcastSemaphoreProvider extends HazelcastSemaphoreProvider {
31 @Override
32 public ISemaphore acquireSemaphore(HazelcastInstance hazelcastInstance, NamedLockKey key) {
33 return hazelcastInstance.getCPSubsystem().getSemaphore(NAME_PREFIX + key.name());
34 }
35
36 @Override
37 public void releaseSemaphore(HazelcastInstance hazelcastInstance, NamedLockKey key, ISemaphore semaphore) {
38 // nothing
39 }
40 }