net.sf.cpsolver.ifs.model
Class SimpleNeighbour

java.lang.Object
  net.sf.cpsolver.ifs.model.Neighbour
      net.sf.cpsolver.ifs.model.SimpleNeighbour

Direct Known Subclasses:

ExamSimpleNeighbour

public class SimpleNeighbour
extends Neighbour

A neighbour consisting of a change (either assignment or unassignment) of a single variable.

Version:

IFS 1.1 (Iterative Forward Search)
Copyright (C) 2006 Tomáš Müller
muller@unitime.org
Lazenska 391, 76314 Zlin, Czech Republic

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 2.1 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

See Also:

NeighbourSelection

Constructor Summary

SimpleNeighbour(Variable variable, Value value)
Model

Method Summary

void	assign(long iteration) Perform assignment
Value	getValue() Selected value
Variable	getVariable() Selected variable
String	toString()
double	value() Improvement in the solution value if this neighbour is accepted.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleNeighbour

public SimpleNeighbour(Variable variable,
                       Value value)

Model

Parameters:

variable - variable to be assigned

value - value to be assigned to the given variable, null if the variable should be unassigned

Method Detail

getVariable

public Variable getVariable()

Selected variable

getValue

public Value getValue()

Selected value

assign

public void assign(long iteration)

Perform assignment

Specified by:

assign in class Neighbour

value

public double value()

Improvement in the solution value if this neighbour is accepted.

Specified by:

value in class Neighbour

toString

public String toString()

Overrides:

toString in class Object