jasima.shopSim.prioRules.gp.GECCO2010_genSeed_10reps Maven / Gradle / Ivy

/*******************************************************************************
 * This file is part of jasima, v1.3, the Java simulator for manufacturing and 
 * logistics.
 *  
 * Copyright (c) 2015 		jasima solutions UG
 * Copyright (c) 2010-2015 Torsten Hildebrandt and jasima contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 *******************************************************************************/
package jasima.shopSim.prioRules.gp;

import jasima.shopSim.core.PrioRuleTarget;
import jasima.shopSim.core.PriorityQueue;
import jasima.shopSim.prioRules.upDownStream.PTPlusWINQPlusNPT;

/**
 * A rule from "Towards Improved Dispatching Rules for Complex Shop Floor
 * Scenarios—a Genetic Programming Approach", Hildebrandt, Heger, Scholz-Reiter,
 * GECCO 2010, doi:10.1145/1830483.1830530
 * 
 * @author Torsten Hildebrandt
 * @version 
 *          "$Id: GECCO2010_genSeed_10reps.java 753 2015-07-27 15:29:49Z [email protected] $"
 */
public class GECCO2010_genSeed_10reps extends GPRuleBase {

	private static final long serialVersionUID = 6678188476757733096L;

	@Override
	public double calcPrio(PrioRuleTarget j) {
		if (j.isFuture())
			return PriorityQueue.MIN_PRIO;

		double p = j.getCurrentOperation().procTime;
		double winq = jasima.shopSim.prioRules.upDownStream.WINQ.winq(j);
		double tiq = j.getShop().simTime() - j.getArriveTime();
		double npt = PTPlusWINQPlusNPT.npt(j);
		double tis = j.getShop().simTime() - j.getRelDate();
		double ol = j.numOpsLeft();

		return -p
				* ((npt - npt / p) * winq + (max(p, ol - tiq)
						* (max(p - npt, p / (tis + p)) + 1) + 1));
	}

}