| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.eclipse.aether; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * A simplistic repository cache backed by a thread-safe map. The simplistic nature of this cache makes it only suitable |
| * for use with short-lived repository system sessions where pruning of cache data is not required. |
| */ |
| public final class DefaultRepositoryCache |
| implements RepositoryCache |
| { |
| |
| private final Map<Object, Object> cache = new ConcurrentHashMap<Object, Object>( 256 ); |
| |
| public Object get( RepositorySystemSession session, Object key ) |
| { |
| return cache.get( key ); |
| } |
| |
| public void put( RepositorySystemSession session, Object key, Object data ) |
| { |
| if ( data != null ) |
| { |
| cache.put( key, data ); |
| } |
| else |
| { |
| cache.remove( key ); |
| } |
| } |
| |
| } |