net.sf.cpsolver.coursett.criteria.additional
Class QuadraticStudentHardConflict

java.lang.Object
  extended by net.sf.cpsolver.ifs.criteria.AbstractCriterion<Lecture,Placement>
      extended by net.sf.cpsolver.coursett.criteria.TimetablingCriterion
          extended by net.sf.cpsolver.coursett.criteria.StudentConflict
              extended by net.sf.cpsolver.coursett.criteria.additional.QuadraticStudentConflict
                  extended by net.sf.cpsolver.coursett.criteria.additional.QuadraticStudentHardConflict
All Implemented Interfaces:
Criterion<Lecture,Placement>, InfoProvider<Lecture>, ModelListener<Lecture,Placement>

public class QuadraticStudentHardConflict
extends QuadraticStudentConflict

Quadratic student conflicts. Same as StudentHardConflict, however, student joint enrollments are squared (1 conflict counts as 1, 2 as 4, 3 as 9, etc.).

Version:
CourseTT 1.2 (University Course Timetabling)
Copyright (C) 2006 - 2011 Tomas Muller
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.coursett.criteria.StudentConflict
iIncludeConflicts
 
Fields inherited from class net.sf.cpsolver.ifs.criteria.AbstractCriterion
iBest, iDebug, iValue, iValueUpdateType, iWeight, sDoubleFormat, sPercentFormat
 
Constructor Summary
QuadraticStudentHardConflict()
           
 
Method Summary
 String getPlacementSelectionWeightName()
           
 double getWeightDefault(DataProperties config)
          Defines default weight (when AbstractCriterion.getWeightName() parameter is not present in the criterion).
 boolean isApplicable(Lecture l1, Lecture l2)
           
 
Methods inherited from class net.sf.cpsolver.coursett.criteria.additional.QuadraticStudentConflict
incJenrl, jointEnrollment
 
Methods inherited from class net.sf.cpsolver.coursett.criteria.StudentConflict
applicable, applicable, bestRestored, committed, committed, distance, getBounds, getBounds, getMetrics, getValue, getValue, getValue, hard, hard, ignore, ignore, inConflict, init, overlaps
 
Methods inherited from class net.sf.cpsolver.coursett.criteria.TimetablingCriterion
getPlacementSelectionWeight, getPlacementSelectionWeightDefault
 
Methods inherited from class net.sf.cpsolver.ifs.criteria.AbstractCriterion
afterAssigned, afterUnassigned, beforeAssigned, beforeUnassigned, 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, toString, wait, wait, wait
 

Constructor Detail

QuadraticStudentHardConflict

public QuadraticStudentHardConflict()
Method Detail

isApplicable

public boolean isApplicable(Lecture l1,
                            Lecture l2)
Overrides:
isApplicable in class QuadraticStudentConflict

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 QuadraticStudentConflict

getPlacementSelectionWeightName

public String getPlacementSelectionWeightName()
Overrides:
getPlacementSelectionWeightName in class QuadraticStudentConflict


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