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.HazelcastInstance;
23 import com.hazelcast.cp.ISemaphore;
24
25 /**
26 * Support class for providers of {@link ISemaphore} instances.
27 */
28 public abstract class HazelcastSemaphoreProvider
29 {
30 /**
31 * Name prefix recommended using for simpler configuration of Hazelcast.
32 */
33 protected static final String NAME_PREFIX = "maven:resolver:";
34
35 /**
36 * Invoked when new instance of semaphore needed for given name. must not return {@code null}.
37 */
38 public abstract ISemaphore acquireSemaphore( HazelcastInstance hazelcastInstance, String name );
39
40 /**
41 * Invoked when passed in semaphore associated with passed in name is not to be used anymore.
42 */
43 public abstract void releaseSemaphore( HazelcastInstance hazelcastInstance, String name, ISemaphore semaphore );
44 }