net.sf.cpsolver.ifs.model
Class BinaryConstraint

java.lang.Object
  net.sf.cpsolver.ifs.model.Constraint
      net.sf.cpsolver.ifs.model.BinaryConstraint

Direct Known Subclasses:

CSPBinaryConstraint, Dependence, JenrlConstraint

public abstract class BinaryConstraint
extends Constraint

Binary constraint.

Extension of Constraint that links exactly two variables.

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:

Variable, Constraint, Model

Field Summary

Fields inherited from class net.sf.cpsolver.ifs.model.Constraint

iAssignedVariables, iConstraintListeners, iId

Constructor Summary

BinaryConstraint()

Method Summary

void	addVariable(Variable var) Add a variable to this constraint
Variable	another(Variable variable) Returns the variable out of the constraints variables which is different from the given variable.
Variable	first() First variable
boolean	isFirst(Variable variable) True, id the given variable is the first one
Variable	second() Second variable

Methods inherited from class net.sf.cpsolver.ifs.model.Constraint

addConstraintListener, assigned, assignedVariables, computeConflicts, constraintListeners, countAssignedVariables, countVariables, equals, getDescription, getId, getModel, getName, hashCode, inConflict, isConsistent, isHard, removeConstraintListener, removeVariable, setModel, unassigned, variables

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryConstraint

public BinaryConstraint()

Method Detail

addVariable

public void addVariable(Variable var)

Description copied from class: Constraint

Add a variable to this constraint

Overrides:

addVariable in class Constraint

first

public Variable first()

First variable

second

public Variable second()

Second variable

isFirst

public boolean isFirst(Variable variable)

True, id the given variable is the first one

another

public Variable another(Variable variable)

Returns the variable out of the constraints variables which is different from the given variable.