omnics.constraint
Class DistEq

java.lang.Object
  omnics.Constraint
      omnics.constraint.BinaryConstraint
          omnics.constraint.DistEq

All Implemented Interfaces:

java.io.Serializable

public class DistEq
extends BinaryConstraint

Enforces |x-y|=c.

Author:

Cristian Frasinaru

See Also:

Serialized Form

Field Summary

Fields inherited from class omnics.constraint.BinaryConstraint

xIndex, yIndex

Fields inherited from class omnics.Constraint

ALLOWED, filter, FORBIDDEN, MAX, MIN, name, problem, variables

Constructor Summary

DistEq(Var x, Var y, int c)
Creates a new instance of DistEq.

Method Summary

int	eval(java.lang.Object xvalue, java.lang.Object yvalue) This is the method that evaluates the tuple (x=a,y=b).

Methods inherited from class omnics.constraint.BinaryConstraint

eval, eval

Methods inherited from class omnics.Constraint

eval, getFilter, getName, getProblem, getTuples, getVarArray, getVariables, setFilter, setName, setVariables, setVariables, toString, variable

Methods inherited from class java.lang.Object

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

Constructor Detail

DistEq

public DistEq(Var x,
              Var y,
              int c)

Creates a new instance of DistEq.

Method Detail

eval

public int eval(java.lang.Object xvalue,
                java.lang.Object yvalue)

Description copied from class: BinaryConstraint

This is the method that evaluates the tuple (x=a,y=b). Must be implemented in the subclasses.

Specified by:

eval in class BinaryConstraint