net.sf.cpsolver.studentsct.heuristics.selection
Class BacktrackSelection

java.lang.Object
  extended by net.sf.cpsolver.studentsct.heuristics.selection.BacktrackSelection
All Implemented Interfaces:
NeighbourSelection<Request,Enrollment>

public class BacktrackSelection
extends Object
implements NeighbourSelection<Request,Enrollment>

Use backtrack neighbour selection. For all unassigned variables (in a random order), RandomizedBacktrackNeighbourSelection is being used.

Version:
StudentSct 1.2 (Student Sectioning)
Copyright (C) 2007 - 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
BacktrackSelection(DataProperties properties)
           
 
Method Summary
 void init(Solver<Request,Enrollment> solver)
          Criterion initialization
 void init(Solver<Request,Enrollment> solver, String name)
           
 Neighbour<Request,Enrollment> selectNeighbour(Solution<Request,Enrollment> solution)
          select a neighbour of a given solution
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BacktrackSelection

public BacktrackSelection(DataProperties properties)
Method Detail

init

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

init

public void init(Solver<Request,Enrollment> solver)
Description copied from interface: NeighbourSelection
Criterion initialization

Specified by:
init in interface NeighbourSelection<Request,Enrollment>

selectNeighbour

public Neighbour<Request,Enrollment> selectNeighbour(Solution<Request,Enrollment> solution)
Description copied from interface: NeighbourSelection
select a neighbour of a given solution

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


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