org.cpsolver.exam.heuristics

Class ExamUnassignedVariableSelection

java.lang.Object

org.cpsolver.exam.heuristics.ExamUnassignedVariableSelection

All Implemented Interfaces:

VariableSelection<Exam,ExamPlacement>

public class ExamUnassignedVariableSelection
extends Object
implements VariableSelection<Exam,ExamPlacement>

Unassigned variable selection. The "biggest" variable (using Variable.compareTo(Variable)) unassigned variable is selected. One is selected randomly if there are more than one of such variables.

Version:

ExamTT 1.3 (Examination Timetabling)
Copyright (C) 2008 - 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

Constructor Summary

Constructors

Constructor and Description
ExamUnassignedVariableSelection(DataProperties properties) Constructor

Method Summary

Modifier and Type	Method and Description
void	init(Solver<Exam,ExamPlacement> solver) Initialization
Exam	selectVariable(Solution<Exam,ExamPlacement> solution) Variable selection

Methods inherited from class java.lang.Object

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

Constructor Detail

ExamUnassignedVariableSelection

public ExamUnassignedVariableSelection(DataProperties properties)

Constructor

Parameters:

properties - solver configuration

Method Detail

init

public void init(Solver<Exam,ExamPlacement> solver)

Initialization

Specified by:

init in interface VariableSelection<Exam,ExamPlacement>

Parameters:

solver - current solver

selectVariable

public Exam selectVariable(Solution<Exam,ExamPlacement> solution)

Variable selection

Specified by:

selectVariable in interface VariableSelection<Exam,ExamPlacement>

Parameters:

solution - current solution

Returns:

selected variable