org.databene.commons.collection.MapProxy Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of databene-commons Show documentation

'databene commons' is an open source Java library by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

The newest version!

/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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 org.databene.commons.collection;

import java.util.Collection;
import java.util.Map;
import java.util.Set;

/**
 * Proxy class for a {@link Map}.
 * Created: 12.12.2012 11:49:35
 * @param  The type of map to wrap
 * @param  the key type
 * @param  the value type
 * @since 0.5.21
 * @author Volker Bergmann
 */
public class MapProxy, K, V> implements Map {
	
	protected final M realMap;
	
	protected MapProxy(M realMap) {
		this.realMap = realMap;
	}

	public Object getRealMap() {
		return realMap;
	}
	
	@Override
	public void clear() {
		realMap.clear();
	}

	@Override
	public boolean containsKey(Object key) {
		return realMap.containsKey(key);
	}

	@Override
	public boolean containsValue(Object value) {
		return realMap.containsValue(value);
	}

	@Override
	public Set> entrySet() {
		return realMap.entrySet();
	}

	@Override
	public V get(Object key) {
		return realMap.get(key);
	}

	@Override
	public boolean isEmpty() {
		return realMap.isEmpty();
	}

	@Override
	public Set keySet() {
		return realMap.keySet();
	}

	@Override
	public V put(K key, V value) {
		return realMap.put(key, value);
	}

	@Override
	public void putAll(Map m) {
		realMap.putAll(m);
	}

	@Override
	public V remove(Object key) {
		return realMap.remove(key);
	}

	@Override
	public int size() {
		return realMap.size();
	}

	@Override
	public Collection values() {
		return realMap.values();
	}
	
	
	// java.lang.Object overrides --------------------------------------------------------------------------------------
	
	@Override
	public int hashCode() {
		return realMap.hashCode();
	}

	@Override
	public boolean equals(Object o) {
		return realMap.equals(o);
	}
	
	@Override
	public String toString() {
		return realMap.toString();
	}

}