/*
    * Copyright 2016 The Lannister 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 net.anyflow.lannister.cluster;
  
  import com.google.common.collect.Maps;
  
  public class NativeSetValueMap<K, V> implements Map<K, Set<V>> {
  
  	private final java.util.Map<K, Set<V>> engine;
  
  	public NativeSetValueMap(String name) {
  		engine = Maps.newHashMap();
  	}
  
  	@Override
  	public void put(K key, Set<V> value) {
  		Set<V> prev = engine.put(key, value);
  		if (prev != null) {
  			prev.dispose();
  		}
  	}
  
  	@Override
  	public Set<V> get(K key) {
  		return engine.get(key);
  	}
  
  	@Override
  	public Set<V> remove(K key) {
  		return engine.remove(key);
  	}
  
  	@Override
  	public int size() {
  		return engine.size();
  	}
  
  	@Override
  	public void dispose() {
  		// DO NOTHING
  	}
  
  	@Override
  	public boolean containsKey(K key) {
  		return engine.containsKey(key);
  	}
  
  	@Override
  	public java.util.Set<K> keySet() {
  		return engine.keySet();
  	}
  }