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