net.sf.cpsolver.exam.criteria.additional
Class PeriodViolation

java.lang.Object
  extended by net.sf.cpsolver.ifs.criteria.AbstractCriterion<Exam,ExamPlacement>
      extended by net.sf.cpsolver.exam.criteria.ExamCriterion
          extended by net.sf.cpsolver.exam.criteria.additional.PeriodViolation
All Implemented Interfaces:
Criterion<Exam,ExamPlacement>, InfoProvider<Exam>, ModelListener<Exam,ExamPlacement>

public class PeriodViolation
extends ExamCriterion

Experimental criterion counting violations of periods assignments. If this criterion is enabled, any period can be assigned to an exam (not only those that are in the domain of the exam).

To enable assignment of prohibited periods, set parameter Exam.SoftPeriods to a weight that should be inferred by a prohibited period assignment.

Version:
ExamTT 1.2 (Examination Timetabling)
Copyright (C) 2008 - 2012 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.ifs.criteria.AbstractCriterion
iBest, iDebug, iValue, iValueUpdateType, iWeight, sDoubleFormat, sPercentFormat
 
Constructor Summary
PeriodViolation()
           
 
Method Summary
 double[] getBounds(Collection<Exam> variables)
          Value bounds (minimum and maximum) of the criterion on a part of the problem
 double getValue(ExamPlacement value, Set<ExamPlacement> conflicts)
          Value of a proposed assignment (including hard conflicts)
 String getWeightName()
          Defines weight name (to be used to get the criterion weight from the configuration).
 String getXmlWeightName()
          Name of the weight parameter in the parameters section of the examination XML file.
 String toString()
           
 
Methods inherited from class net.sf.cpsolver.exam.criteria.ExamCriterion
getInfo, getPeriodValue, getRoomValue, getXmlParameters, isPeriodCriterion, isRoomCriterion, setWeight, setXmlParameters
 
Methods inherited from class net.sf.cpsolver.ifs.criteria.AbstractCriterion
afterAssigned, afterUnassigned, beforeAssigned, beforeUnassigned, bestRestored, bestSaved, clearCache, computeBounds, constraintAdded, constraintRemoved, getBest, getBounds, getInfo, getModel, getName, getPerc, getPercRev, getValue, getValue, getWeight, getWeightDefault, getWeightedBest, getWeightedValue, getWeightedValue, getWeightedValue, inc, init, variableAdded, variableRemoved
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

PeriodViolation

public PeriodViolation()
Method Detail

getWeightName

public String getWeightName()
Description copied from class: AbstractCriterion
Defines weight name (to be used to get the criterion weight from the configuration).

Overrides:
getWeightName in class ExamCriterion

getXmlWeightName

public String getXmlWeightName()
Description copied from class: ExamCriterion
Name of the weight parameter in the parameters section of the examination XML file.

Overrides:
getXmlWeightName in class ExamCriterion

getValue

public double getValue(ExamPlacement value,
                       Set<ExamPlacement> conflicts)
Description copied from interface: Criterion
Value of a proposed assignment (including hard conflicts)


getBounds

public double[] getBounds(Collection<Exam> variables)
Description copied from interface: Criterion
Value bounds (minimum and maximum) of the criterion on a part of the problem

Specified by:
getBounds in interface Criterion<Exam,ExamPlacement>
Overrides:
getBounds in class ExamCriterion

toString

public String toString()
Overrides:
toString in class Object


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