net.sf.cpsolver.coursett.criteria

Class FlexibleConstraintCriterion

java.lang.Object

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

net.sf.cpsolver.coursett.criteria.TimetablingCriterion

net.sf.cpsolver.coursett.criteria.FlexibleConstraintCriterion

All Implemented Interfaces:

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

public class FlexibleConstraintCriterion
extends TimetablingCriterion

The class encapsulates various flexible constraints concerning compact timetables of instructors.

Version:

CourseTT 1.2 (University Course Timetabling)
Copyright (C) 2012 Matej Lukac

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, iValue, iValueUpdateType, iWeight, sDoubleFormat, sPercentFormat

Constructor Summary

Constructors

Constructor and Description
FlexibleConstraintCriterion()

Method Summary

Modifier and Type	Method and Description
void	getInfo(Map<String,String> info) Adds some information into the table with information about the solution
void	getInfo(Map<String,String> info, Collection<Lecture> variables) Adds some information into the table with information about the solution, only consider variables from the given set
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)
boolean	init(Solver<Lecture,Placement> solver) Notification that the model was initialized by the solver.

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

getAbbreviation, getPlacementSelectionWeight, getPlacementSelectionWeightDefault, 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, getWeight, getWeightDefault, 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

FlexibleConstraintCriterion

public FlexibleConstraintCriterion()

Method Detail

init

public boolean init(Solver<Lecture,Placement> solver)

Description copied from interface: ModelListener

Notification that the model was initialized by the solver.

Specified by:

init in interface ModelListener<Lecture,Placement>

Overrides:

init in class TimetablingCriterion

Parameters:

solver - IFS solver

getPlacementSelectionWeightName

public String getPlacementSelectionWeightName()

Overrides:

getPlacementSelectionWeightName in class TimetablingCriterion

getInfo

public void getInfo(Map<String,String> info)

Description copied from interface: InfoProvider

Adds some information into the table with information about the solution

Specified by:

getInfo in interface InfoProvider<Lecture>

Overrides:

getInfo in class AbstractCriterion<Lecture,Placement>

getInfo

public void getInfo(Map<String,String> info,
                    Collection<Lecture> variables)

Description copied from interface: InfoProvider

Adds some information into the table with information about the solution, only consider variables from the given set

Specified by:

getInfo in interface InfoProvider<Lecture>

Overrides:

getInfo in class AbstractCriterion<Lecture,Placement>

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 AbstractCriterion<Lecture,Placement>

getValue

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

Description copied from interface: Criterion

Value of a proposed assignment (including hard conflicts)