org.cpsolver.coursett.criteria

Class StudentHardConflict

java.lang.Object

org.cpsolver.ifs.criteria.AbstractCriterion<Lecture,Placement>

org.cpsolver.coursett.criteria.TimetablingCriterion

org.cpsolver.coursett.criteria.StudentConflict

org.cpsolver.coursett.criteria.StudentHardConflict

All Implemented Interfaces:

CanHoldContext, HasAssignmentContext<Lecture,Placement,AbstractCriterion.ValueContext>, Criterion<Lecture,Placement>, ExtendedInfoProvider<Lecture,Placement>, InfoProvider<Lecture,Placement>, ModelListener<Lecture,Placement>

public class StudentHardConflict
extends StudentConflict

Student hard conflicts. This criterion counts student conflicts (either overlapping or distance) between classes. A hard conflict is a student conflict that happens between two classes that do not have alternatives (see Lecture.isSingleSection()).

Version:

CourseTT 1.3 (University Course Timetabling)
Copyright (C) 2006 - 2014 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/.

Author:

Tomáš Müller

Nested Class Summary

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

AbstractCriterion.ValueContext, AbstractCriterion.ValueUpdateType

Field Summary

Fields inherited from class org.cpsolver.coursett.criteria.StudentConflict

iIncludeConflicts

Fields inherited from class org.cpsolver.ifs.criteria.AbstractCriterion

iBest, iDebug, iWeight, sDoubleFormat, sPercentFormat

Fields inherited from interface org.cpsolver.ifs.assignment.context.CanHoldContext

sMaxSize

Constructor Summary

Constructors

Constructor and Description
StudentHardConflict()

Method Summary

Modifier and Type	Method and Description
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 org.cpsolver.coursett.criteria.StudentConflict

applicable, bestRestored, committed, configure, distance, getBounds, getBounds, getMetrics, getValue, getValue, hard, ignore, incJenrl, inConflict, isApplicable, jointEnrollment, jointEnrollment, overlaps, slots, uncommitted, workday

Methods inherited from class org.cpsolver.coursett.criteria.TimetablingCriterion

getPlacementSelectionAdjustmentsName, getPlacementSelectionWeight, getPlacementSelectionWeightDefault

Methods inherited from class org.cpsolver.ifs.criteria.AbstractCriterion

afterAssigned, afterUnassigned, beforeAssigned, beforeUnassigned, bestSaved, clearCache, computeBounds, constraintAdded, constraintRemoved, createAssignmentContext, getAbbreviation, getAssignmentContextReference, getBest, getBounds, getBounds, getContext, getContext, getExtendedInfo, getInfo, getInfo, getModel, getName, getPerc, getPercentage, getPercRev, getValue, getValue, getValue, getValueUpdateType, getWeight, getWeightedBest, getWeightedValue, getWeightedValue, getWeightedValue, getWeightedValue, getWeightedValue, getWeightedValue, getWeightName, inc, inc, init, setAssignmentContextReference, setModel, setValueUpdateType, toString, variableAdded, variableRemoved

Methods inherited from class java.lang.Object

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

Constructor Detail

StudentHardConflict

public StudentHardConflict()

Method Detail

isApplicable

public boolean isApplicable(Lecture l1,
                            Lecture l2)

Overrides:

isApplicable in class StudentConflict

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 AbstractCriterion<Lecture,Placement>

Parameters:

config - solver configuration

Returns:

default criterion weight value

getPlacementSelectionWeightName

public String getPlacementSelectionWeightName()

Overrides:

getPlacementSelectionWeightName in class StudentConflict