fr.jussieu.gla.wasa.core
Class Constraint

java.lang.Object
  |
  +--fr.jussieu.gla.wasa.core.ProblemItem
        |
        +--fr.jussieu.gla.wasa.core.Constraint

Direct Known Subclasses:

CapacityConstraint, DummyConstraint, MeetingOnlyOnceConstraint

public abstract class Constraint

extends ProblemItem

Base class for implementing Constraints.
A Constraint implementation accesses Vars to set their error property.

Version:

$Revision: 1.4 $ $Date: 2002/04/17 15:24:05 $

Author:

Laurent Caillette, Florent Selva

Constructor Summary

Constraint(Problem problem)
The Constraint constructor needs the constraint associated problem.

Method Summary

abstract void	evaluate() The core definition of the Constraint.
int	getRank() Returns the Constraint instanciation rank.

Methods inherited from class fr.jussieu.gla.wasa.core.ProblemItem

getName, getProblem, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

Constraint

public Constraint(Problem problem)

The Constraint constructor needs the constraint associated problem.

Method Detail

getRank

public final int getRank()

Returns the Constraint instanciation rank.

Returns:

the instanciation rank.

evaluate

public abstract void evaluate()

The core definition of the Constraint. This method is called each time the engine evaluates the Constraint. Redefine it to specify your particular Constraint.