| /* |
| * 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.apache.sling.commons.cache.impl; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.sling.commons.cache.api.Cache; |
| |
| public class MapDeligate<K, V> implements Map<K, V> { |
| |
| private Cache<V> cache; |
| |
| public MapDeligate(Cache<V> cache) { |
| this.cache = cache; |
| } |
| |
| public void clear() { |
| cache.clear(); |
| } |
| |
| public boolean containsKey(Object key) { |
| return cache.containsKey((java.lang.String) key); |
| } |
| |
| public boolean containsValue(Object value) { |
| throw new UnsupportedOperationException("This map is lookup only."); |
| } |
| |
| public Set<Entry<K, V>> entrySet() { |
| throw new UnsupportedOperationException("This map is lookup only."); |
| } |
| |
| public V get(Object key) { |
| return cache.get((String) key); |
| } |
| |
| public boolean isEmpty() { |
| return false; |
| } |
| |
| public Set<K> keySet() { |
| throw new UnsupportedOperationException("This map is lookup only."); |
| } |
| |
| public V put(K key, V value) { |
| return cache.put((String) key, value); |
| } |
| |
| public void putAll(Map<? extends K, ? extends V> m) { |
| throw new UnsupportedOperationException( |
| "This map is singly add only, use an iterator or loop."); |
| } |
| |
| public int size() { |
| throw new UnsupportedOperationException("This map is lookup only."); |
| } |
| |
| public V remove(Object key) { |
| V value = cache.get((String) key); |
| cache.remove((String) key); |
| return value; |
| } |
| |
| public Collection<V> values() { |
| throw new UnsupportedOperationException("This map is lookup only."); |
| } |
| |
| } |