jasima.shopSim.prioRules.setup.WBPT 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.PrioRuleTarget;
import jasima.shopSim.core.PriorityQueue;
/**
* This class implements the Weighted Batch Processing Time rule, developed by
* Raman et al. (1989), which is an additive combination of MMS and SPT, see
* also Pickardt and Branke (2012).
*
* @author Christoph Pickardt, 2011-11-15
* @version "$Id: WBPT.java 753 2015-07-27 15:29:49Z [email protected] $"
*/
public class WBPT extends MMS {
private static final long serialVersionUID = 8461106077678169718L;
@Override
public double calcPrio(PrioRuleTarget job) {
if (arrivesTooLate(job))
return PriorityQueue.MIN_PRIO;
double marginalSetup = getOwner().getSetupMatrix()[getOwner().currMachine.setupState][job
.getCurrentOperation().setupState]
/ jobsPerFamily.get("" + job.getCurrentOperation().setupState);
return -(marginalSetup + job.getCurrentOperation().procTime);
}
}