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.providers;
20
21 import javax.inject.Named;
22 import javax.inject.Singleton;
23
24 import java.util.concurrent.locks.ReentrantReadWriteLock;
25
26 import org.eclipse.aether.named.NamedLockKey;
27 import org.eclipse.aether.named.support.NamedLockFactorySupport;
28 import org.eclipse.aether.named.support.ReadWriteLockNamedLock;
29
30 /**
31 * A JVM-local named lock factory that uses named {@link ReentrantReadWriteLock}s.
32 */
33 @Singleton
34 @Named(LocalReadWriteLockNamedLockFactory.NAME)
35 public class LocalReadWriteLockNamedLockFactory extends NamedLockFactorySupport {
36 public static final String NAME = "rwlock-local";
37
38 @Override
39 protected ReadWriteLockNamedLock createLock(final NamedLockKey key) {
40 return new ReadWriteLockNamedLock(key, this, new ReentrantReadWriteLock());
41 }
42 }