net.sf.cpsolver.coursett.criteria.placement

Class AssignmentCount

java.lang.Object

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

net.sf.cpsolver.coursett.criteria.TimetablingCriterion

net.sf.cpsolver.coursett.criteria.placement.PlacementSelectionCriterion

net.sf.cpsolver.coursett.criteria.placement.AssignmentCount

All Implemented Interfaces:

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

public class AssignmentCount
extends PlacementSelectionCriterion

Count number of past assignments of a value. Avoid repetition by penalizing values that have been assigned too many times already.

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
AssignmentCount()

Method Summary

Modifier and Type	Method and Description
String	getPlacementSelectionWeightName()
double	getValue(Placement value, Set<Placement> conflicts) Value of a proposed assignment (including hard conflicts)

Methods inherited from class net.sf.cpsolver.coursett.criteria.placement.PlacementSelectionCriterion

getInfo, getInfo, getWeightDefault

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, getBounds, getBounds, getModel, getName, getPerc, getPercRev, getValue, getValue, 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

AssignmentCount

public AssignmentCount()

Method Detail

getPlacementSelectionWeightName

public String getPlacementSelectionWeightName()

Overrides:

getPlacementSelectionWeightName in class TimetablingCriterion

getValue

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

Description copied from interface: Criterion

Value of a proposed assignment (including hard conflicts)