/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.utils.datastructures.persistent;

public class SingletonContextMap implements IContextMap {

	Object key;
	Object value;
	
	public SingletonContextMap(Object key, Object value) {
		this.key = key;
		this.value = value;
	}

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

	@Override
	public Object get(Object key) {
		if(key.equals(this.key))
			return value;
		else
			return null;
	}

}