org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete/src/org/eclipse/viatra2/gtasm/patternmatcher/incremental/rete/construction/psystem/basicenumerables/ConstantValue.java

/*******************************************************************************
 * Copyright (c) 2004-2010 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.construction.psystem.basicenumerables;

import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.Buildable;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.RetePatternBuildException;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.Stub;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.psystem.KeyedEnumerablePConstraint;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.psystem.PVariable; import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.psystem.PSystem;
import org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.tuple.FlatTuple;

/**
 * @author Bergmann Gábor
 *
 */
public class ConstantValue<PatternDescription, StubHandle>
		extends
		KeyedEnumerablePConstraint<Object, PatternDescription, StubHandle> {

	/**
	 * @param buildable
	 * @param variablesTuple
	 * @param supplierKey
	 */
	public ConstantValue(
			PSystem<PatternDescription, StubHandle, ?> pSystem,
			PVariable variable, Object value) 
	{
		super(pSystem, new FlatTuple(variable), value);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.viatra2.gtasm.patternmatcher.incremental.rete.construction.psystem.EnumerablePConstraint#doCreateStub()
	 */
	@Override
	public Stub<StubHandle> doCreateStub() throws RetePatternBuildException {
		return buildable.buildStartStub(new Object[]{supplierKey}, this.variablesTuple.getElements());
	}

}