001package org.eclipse.aether.named.hazelcast; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import com.hazelcast.core.HazelcastInstance; 023import com.hazelcast.cp.ISemaphore; 024 025/** 026 * Support class for providers of {@link ISemaphore} instances. 027 */ 028public abstract class HazelcastSemaphoreProvider 029{ 030 /** 031 * Name prefix recommended using for simpler configuration of Hazelcast. 032 */ 033 protected static final String NAME_PREFIX = "maven:resolver:"; 034 035 /** 036 * Invoked when new instance of semaphore needed for given name. must not return {@code null}. 037 */ 038 public abstract ISemaphore acquireSemaphore( HazelcastInstance hazelcastInstance, String name ); 039 040 /** 041 * Invoked when passed in semaphore associated with passed in name is not to be used anymore. 042 */ 043 public abstract void releaseSemaphore( HazelcastInstance hazelcastInstance, String name, ISemaphore semaphore ); 044}