| // Copyright (C) 2011 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.server.git; |
| |
| package com.google.gerrit.server.cache; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * An infinitely sized cache backed by java.util.ConcurrentHashMap. |
| * <p> |
| * This cache type is only suitable for unit tests, as it has no upper limit on |
| * number of items held in the cache. No upper limit can result in memory leaks |
| * in production servers. |
| */ |
| public class ConcurrentHashMapCache<K, V> implements Cache<K, V> { |
| private final ConcurrentHashMap<K, V> map = new ConcurrentHashMap<K, V>(); |
| |
| @Override |
| public V get(K key) { |
| return map.get(key); |
| } |
| |
| @Override |
| public void put(K key, V value) { |
| map.put(key, value); |
| } |
| |
| @Override |
| public void remove(K key) { |
| map.remove(key); |
| } |
| |
| @Override |
| public void removeAll() { |
| map.clear(); |
| } |
| } |