minicp.engine.constraints

Class NotEqual

java.lang.Object

minicp.engine.core.AbstractConstraint

minicp.engine.constraints.NotEqual

All Implemented Interfaces:

Constraint

public class NotEqual
extends AbstractConstraint

Not Equal constraint between two variables

Constructor Summary

Constructors

Constructor and Description
NotEqual(IntVar x, IntVar y) Creates a constraint such that {@code x !
NotEqual(IntVar x, IntVar y, int c) Creates a constraint such that {@code x !

Method Summary

Modifier and Type	Method and Description
void	post() Initializes the constraint when it is posted to the solver.
void	propagate() Propagates the constraint.

Methods inherited from class minicp.engine.core.AbstractConstraint

getSolver, isActive, isScheduled, setActive, setScheduled

Methods inherited from class java.lang.Object

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

Constructor Detail

NotEqual

public NotEqual(IntVar x,
                IntVar y,
                int c)

Creates a constraint such that x != y + c

Parameters:

x - the left member

y - the right memer

c - the offset value on y

See Also:

Factory.notEqual(IntVar, IntVar, int)

NotEqual

public NotEqual(IntVar x,
                IntVar y)

Creates a constraint such that x != y

Parameters:

x - the left member

y - the right memer

See Also:

Factory.notEqual(IntVar, IntVar)

Method Detail

post

public void post()

Description copied from interface: Constraint

Initializes the constraint when it is posted to the solver.

Specified by:

post in interface Constraint

Overrides:

post in class AbstractConstraint

propagate

public void propagate()

Description copied from interface: Constraint

Propagates the constraint.

Specified by:

propagate in interface Constraint

Overrides:

propagate in class AbstractConstraint