net.sf.cpsolver.coursett.neighbourhoods

Class TimeChange

java.lang.Object

net.sf.cpsolver.ifs.algorithms.neighbourhoods.RandomMove<Lecture,Placement>

net.sf.cpsolver.coursett.neighbourhoods.TimeChange

All Implemented Interfaces:

HillClimberSelection, NeighbourSelection<Lecture,Placement>

public class TimeChange
extends RandomMove<Lecture,Placement>

Try to assign a class with a new time. A class is selected randomly, a different (available) time is randomly selected for the class -- the class is assigned into the new time if there is no conflict.

Version:

IFS 1.2 (Iterative Forward Search)
Copyright (C) 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/.

Field Summary

Fields inherited from class net.sf.cpsolver.ifs.algorithms.neighbourhoods.RandomMove

iHC

Constructor Summary

Constructors

Constructor and Description
TimeChange(DataProperties config)

Method Summary

Modifier and Type	Method and Description
Neighbour<Lecture,Placement>	selectNeighbour(Solution<Lecture,Placement> solution) select a neighbour of a given solution

Methods inherited from class net.sf.cpsolver.ifs.algorithms.neighbourhoods.RandomMove

init, setHcMode

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeChange

public TimeChange(DataProperties config)

Method Detail

selectNeighbour

public Neighbour<Lecture,Placement> selectNeighbour(Solution<Lecture,Placement> solution)

Description copied from interface: NeighbourSelection

select a neighbour of a given solution

Specified by:

selectNeighbour in interface NeighbourSelection<Lecture,Placement>

Overrides:

selectNeighbour in class RandomMove<Lecture,Placement>

Parameters:

solution - given solution

Returns:

a neighbour assignment