net.sf.cpsolver.exam.heuristics
Class ExamNeighbourSelection

java.lang.Object
  extended by net.sf.cpsolver.exam.heuristics.ExamNeighbourSelection
All Implemented Interfaces:
NeighbourSelection<Exam,ExamPlacement>, TerminationCondition<Exam,ExamPlacement>

public class ExamNeighbourSelection
extends Object
implements NeighbourSelection<Exam,ExamPlacement>, TerminationCondition<Exam,ExamPlacement>

Examination timetabling neighbour selection.

It consists of the following three phases:



Version:
ExamTT 1.2 (Examination Timetabling)
Copyright (C) 2008 - 2010 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/.

Constructor Summary
ExamNeighbourSelection(DataProperties properties)
          Constructor
 
Method Summary
 boolean canContinue(Solution<Exam,ExamPlacement> currentSolution)
          Termination condition (i.e., has final phase finished)
 void init(Solver<Exam,ExamPlacement> solver)
          Initialization
 boolean isFinalPhase()
          Is final phase
 Neighbour<Exam,ExamPlacement> selectNeighbour(Solution<Exam,ExamPlacement> solution)
          Neighbour selection.
 void setFinalPhase(Callback finalPhaseFinished)
          Set final phase
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ExamNeighbourSelection

public ExamNeighbourSelection(DataProperties properties)
Constructor

Parameters:
properties - problem properties
Method Detail

init

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

Specified by:
init in interface NeighbourSelection<Exam,ExamPlacement>

selectNeighbour

public Neighbour<Exam,ExamPlacement> selectNeighbour(Solution<Exam,ExamPlacement> solution)
Neighbour selection. It consists of the following three phases:

Specified by:
selectNeighbour in interface NeighbourSelection<Exam,ExamPlacement>
Parameters:
solution - given solution
Returns:
a neighbour assignment

setFinalPhase

public void setFinalPhase(Callback finalPhaseFinished)
Set final phase

Parameters:
finalPhaseFinished - to be called when the final phase is finished

isFinalPhase

public boolean isFinalPhase()
Is final phase


canContinue

public boolean canContinue(Solution<Exam,ExamPlacement> currentSolution)
Termination condition (i.e., has final phase finished)

Specified by:
canContinue in interface TerminationCondition<Exam,ExamPlacement>
Parameters:
currentSolution - current solution


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