plugins/org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete/src/org/eclipse/viatra2/gtasm/patternmatcher/incremental/rete/single/DefaultProductionNode.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Gabor Bergmann 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:
 *    Gabor Bergmann - initial API and implementation
 *******************************************************************************/

package org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.single;

import java.util.HashMap;
import java.util.Iterator;

import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.network.Production;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.network.ReteContainer;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.tuple.Tuple;


/**
 * Default implementation of the Production node, based on
 * UniquenessEnforcerNode
 * 
 * @author Gabor Bergmann
 */
public class DefaultProductionNode extends UniquenessEnforcerNode implements
		Production {

	protected HashMap<Object, Integer> posMapping;

	// protected HashMap<TupleMask, Indexer> projections;

	/**
	 * @param reteContainer
	 * @param posMapping
	 */
	public DefaultProductionNode(ReteContainer reteContainer,
			HashMap<Object, Integer> posMapping) {
		super(reteContainer, posMapping.size());
		this.posMapping = posMapping;
		// this.projections= new HashMap<TupleMask, Indexer>();
	}

	/**
	 * @return the posMapping
	 */
	public HashMap<Object, Integer> getPosMapping() {
		return posMapping;
	}

	public Iterator<Tuple> iterator() {
		return memory.iterator();
	}
}