net.sf.cpsolver.exam.neighbours
Class ExamRandomMove

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

public class ExamRandomMove
extends Object
implements NeighbourSelection<Exam,ExamPlacement>

A period is selected randomly for a randomly selected exam. Rooms are computed using Exam.findBestAvailableRooms(ExamPeriodPlacement).

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
ExamRandomMove(DataProperties properties)
          Constructor
 
Method Summary
 void init(Solver<Exam,ExamPlacement> solver)
          Initialization
 Neighbour<Exam,ExamPlacement> selectNeighbour(Solution<Exam,ExamPlacement> solution)
          Select an exam randomly, select an available period randomly (from Exam.getPeriodPlacements()), select rooms using Exam.findBestAvailableRooms(ExamPeriodPlacement).
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ExamRandomMove

public ExamRandomMove(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)
Select an exam randomly, select an available period randomly (from Exam.getPeriodPlacements()), select rooms using Exam.findBestAvailableRooms(ExamPeriodPlacement).

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


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