1 package org.eclipse.aether.named.hazelcast;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import com.hazelcast.core.Hazelcast;
23
24 import javax.inject.Inject;
25 import javax.inject.Named;
26 import javax.inject.Singleton;
27
28 /**
29 * {@link HazelcastSemaphoreNamedLockFactory} using Hazelcast and {@link
30 * com.hazelcast.core.HazelcastInstance#getCPSubsystem()} method to get CP semaphore. For this to work, the Hazelcast
31 * cluster the client is connecting to must be CP enabled cluster.
32 */
33 @Singleton
34 @Named( HazelcastCPSemaphoreNamedLockFactory.NAME )
35 public class HazelcastCPSemaphoreNamedLockFactory
36 extends HazelcastSemaphoreNamedLockFactory
37 {
38 public static final String NAME = "semaphore-hazelcast";
39
40 @Inject
41 public HazelcastCPSemaphoreNamedLockFactory()
42 {
43 super(
44 Hazelcast.newHazelcastInstance(),
45 ( hazelcastInstance, name ) -> hazelcastInstance.getCPSubsystem().getSemaphore( NAME_PREFIX + name ),
46 false,
47 true
48 );
49 }
50 }