jasima.shopSim.prioRules.setup.SSPT 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.setup;
import jasima.shopSim.core.PR;
import jasima.shopSim.core.PrioRuleTarget;
/**
* This class implements the Shortest Setup and Processing Time rule, developed
* by Wilbrecht and Prescott (1969), which selects the job that can be completed
* the quickest, see also Pickardt and Branke (2012).
*
* @author Christoph Pickardt, 2011-11-15
* @version "$Id: SSPT.java 753 2015-07-27 15:29:49Z [email protected] $"
*/
public class SSPT extends PR {
private static final long serialVersionUID = -6352884056364065280L;
@Override
public double calcPrio(PrioRuleTarget job) {
return -(getOwner().getSetupMatrix()[getOwner().currMachine.setupState][job
.getCurrentOperation().setupState] + job.getCurrentOperation().procTime);
}
}