net.sf.cpsolver.coursett.criteria

Class DepartmentBalancingPenalty

java.lang.Object

net.sf.cpsolver.ifs.criteria.AbstractCriterion<Lecture,Placement>

net.sf.cpsolver.coursett.criteria.TimetablingCriterion

net.sf.cpsolver.coursett.criteria.SameSubpartBalancingPenalty

net.sf.cpsolver.coursett.criteria.DepartmentBalancingPenalty

All Implemented Interfaces:

Criterion<Lecture,Placement>, InfoProvider<Lecture>, ModelListener<Lecture,Placement>

public class DepartmentBalancingPenalty
extends SameSubpartBalancingPenalty

Department balancing penalty. This criterion tries to balance classes of each department evenly. This means that for instance each department gets a fair amount of unpopular times like early morning or late afternoon. This criterion is counted by DepartmentSpreadConstraint.

Version:

CourseTT 1.2 (University Course Timetabling)
Copyright (C) 2006 - 2011 Tomáš Müller
muller@unitime.org
http://muller.unitime.org

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This library 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not see http://www.gnu.org/licenses/.

Nested Class Summary

Nested classes/interfaces inherited from class net.sf.cpsolver.ifs.criteria.AbstractCriterion

AbstractCriterion.ValueUpdateType

Field Summary

Fields inherited from class net.sf.cpsolver.ifs.criteria.AbstractCriterion

iBest, iDebug, iValue, iValueUpdateType, iWeight, sDoubleFormat, sPercentFormat

Constructor Summary

Constructors

Constructor and Description
DepartmentBalancingPenalty()

Method Summary

Modifier and Type	Method and Description
String	getPlacementSelectionWeightName()
double	getValue(Collection<Lecture> variables) Value of a part of the problem (given by the collection of variables)
double	getValue(Placement value, Set<Placement> conflicts) Value of a proposed assignment (including hard conflicts)
double	getWeightDefault(DataProperties config) Defines default weight (when AbstractCriterion.getWeightName() parameter is not present in the criterion).

Methods inherited from class net.sf.cpsolver.coursett.criteria.SameSubpartBalancingPenalty

getBounds, getBounds, getValue

Methods inherited from class net.sf.cpsolver.coursett.criteria.TimetablingCriterion

getAbbreviation, getPlacementSelectionWeight, getPlacementSelectionWeightDefault, init, toString

Methods inherited from class net.sf.cpsolver.ifs.criteria.AbstractCriterion

afterAssigned, afterUnassigned, beforeAssigned, beforeUnassigned, bestRestored, bestSaved, clearCache, computeBounds, constraintAdded, constraintRemoved, getBest, getInfo, getInfo, getModel, getName, getPerc, getPercRev, getWeight, getWeightedBest, getWeightedValue, getWeightedValue, getWeightedValue, getWeightName, inc, variableAdded, variableRemoved

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DepartmentBalancingPenalty

public DepartmentBalancingPenalty()

Method Detail

getWeightDefault

public double getWeightDefault(DataProperties config)

Description copied from class: AbstractCriterion

Defines default weight (when AbstractCriterion.getWeightName() parameter is not present in the criterion).

Overrides:

getWeightDefault in class SameSubpartBalancingPenalty

getPlacementSelectionWeightName

public String getPlacementSelectionWeightName()

Overrides:

getPlacementSelectionWeightName in class SameSubpartBalancingPenalty

getValue

public double getValue(Placement value,
                       Set<Placement> conflicts)

Description copied from interface: Criterion

Value of a proposed assignment (including hard conflicts)

Specified by:

getValue in interface Criterion<Lecture,Placement>

Overrides:

getValue in class SameSubpartBalancingPenalty

getValue

public double getValue(Collection<Lecture> variables)

Description copied from interface: Criterion

Value of a part of the problem (given by the collection of variables)

Specified by:

getValue in interface Criterion<Lecture,Placement>

Overrides:

getValue in class SameSubpartBalancingPenalty