net.sf.cpsolver.studentsct.heuristics

Class EnrollmentSelection

java.lang.Object

net.sf.cpsolver.studentsct.heuristics.EnrollmentSelection

All Implemented Interfaces:

ValueSelection<Request,Enrollment>

public class EnrollmentSelection
extends Object
implements ValueSelection<Request,Enrollment>

Enrollment selection criterion. It is similar to GeneralValueSelection, however, it is not allowed to assign a enrollment to a dummy student Student.isDummy() that is conflicting with an enrollment of a real student.

Version:

StudentSct 1.2 (Student Sectioning)
Copyright (C) 2007 - 2010 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/.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Enrollment>	iTabu
protected int	iTabuPos
protected int	iTabuSize

Constructor Summary

Constructors

Constructor and Description
EnrollmentSelection()
EnrollmentSelection(DataProperties properties) Constructor

Method Summary

Modifier and Type	Method and Description
void	init(Solver<Request,Enrollment> solver) Initialization
boolean	isAllowed(Enrollment value) true, if it is allowed to assign given value
boolean	isAllowed(Enrollment value, Set<Enrollment> conflicts) true, if it is allowed to assign given value
Enrollment	selectValue(Solution<Request,Enrollment> solution, Request selectedVariable) Value selection

Methods inherited from class java.lang.Object

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

Field Detail

iTabuSize

protected int iTabuSize

iTabu

protected List<Enrollment> iTabu

iTabuPos

protected int iTabuPos

Constructor Detail

EnrollmentSelection

public EnrollmentSelection()

EnrollmentSelection

public EnrollmentSelection(DataProperties properties)

Constructor

Parameters:

properties - input configuration

Method Detail

init

public void init(Solver<Request,Enrollment> solver)

Initialization

Specified by:

init in interface ValueSelection<Request,Enrollment>

isAllowed

public boolean isAllowed(Enrollment value)

true, if it is allowed to assign given value

isAllowed

public boolean isAllowed(Enrollment value,
                         Set<Enrollment> conflicts)

true, if it is allowed to assign given value

selectValue

public Enrollment selectValue(Solution<Request,Enrollment> solution,
                              Request selectedVariable)

Value selection

Specified by:

selectValue in interface ValueSelection<Request,Enrollment>

Parameters:

solution - current solution

selectedVariable - selected variable