jasima.shopSim.prioRules.setup.DK Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright (c) 2010-2015 Torsten Hildebrandt and jasima contributors
 *
 * This file is part of jasima, v1.2.
 *
 * jasima is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * jasima is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with jasima.  If not, see .
 *******************************************************************************/
package jasima.shopSim.prioRules.setup;

import jasima.shopSim.core.PR;
import jasima.shopSim.core.PrioRuleTarget;

/**
 * This class implements the DK rule, developed by Mahmoodi and Dooley (1991),
 * see also Pickardt and Branke (2012). The rule is an adaption of EDD, which
 * penalizes jobs that require a setup.
 * 
 * @author Christoph Pickardt, 2011-11-15
 * @version $Id: DK.java 550 2015-01-23 15:07:23Z [email protected] $
 */
public class DK extends PR {

	public final double k;

	public DK(double k) {
		super();
		this.k = k;
	}

	@Override
	public double calcPrio(PrioRuleTarget job) {
		if (getOwner().currMachine.setupState == job.getCurrentOperation().setupState)
			return -job.getDueDate();
		else
			return -(job.getDueDate() + k);
	}

	@Override
	public String getName() {
		return "DK(k=" + k + ")";
	}

}