plugins/org.eclipse.viatra2.gtasm.interpreter/src/org/eclipse/viatra2/gtasm/interpreter/executionEnvironment/ASMFunctionContent.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Peter Pasztor, Akos Horvath, Gergely Varro, Istvan Rath and Daniel Varro
 * 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:
 *    Peter Pasztor, Akos Horvath, Gergely Varro, Istvan Rath - initial API and implementation
 *******************************************************************************/

package org.eclipse.viatra2.gtasm.interpreter.executionEnvironment;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.emf.common.util.EList;
import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.ASMFunction;

public class ASMFunctionContent extends
		HashMap<ASMFunction, HashMap<EList<Object>, Object>> {

	/**
	 * Stores the ASMFunction values
	 * 
	 * @author Peter Pasztor
	 */
	private static final long serialVersionUID = 1L;
	private static ASMFunctionContent _instance = new ASMFunctionContent();

	public static ASMFunctionContent getInstance() {
		return _instance;
	}

	private ASMFunctionContent() {
		super();
	}

	private final Set<ASMFunctionContentChangeListener> listeners = new HashSet<ASMFunctionContentChangeListener>();

	public void addListener(ASMFunction f, ASMFunctionContentChangeListener l) {
		listeners.add(l);
	}

	public void removeListener(ASMFunction f, ASMFunctionContentChangeListener l) {
		listeners.remove(l);
	}

	public void notifyListeners(ASMFunction f, EList<Object> key, Object newValue) {
		for (ASMFunctionContentChangeListener l : listeners)
			l.valueChanged(f, key, newValue);
	}

}