Module org.maxicp

Package org.maxicp.cp.engine.constraints

Class NotEqual

java.lang.Object

org.maxicp.cp.engine.core.AbstractCPConstraint

org.maxicp.cp.engine.constraints.NotEqual

All Implemented Interfaces:

CPConstraint, ConcreteConstraint<ConcreteCPModel>

public class NotEqual
extends AbstractCPConstraint

Not Equal constraint between two variables

Constructor Summary

Constructors

Constructor	Description
NotEqual(CPIntVar x, CPIntVar y)	Creates a constraint such that x != y
NotEqual(CPIntVar x, CPIntVar y, int v)	Creates a constraint such that x != y + v

Method Summary

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

Methods inherited from class org.maxicp.cp.engine.core.AbstractCPConstraint

getSolver, isActive, isScheduled, priority, registerDelta, setActive, setScheduled, updateDeltas

Methods inherited from class java.lang.Object

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

Constructor Details

NotEqual

public NotEqual(CPIntVar x,
 CPIntVar y,
 int v)

Creates a constraint such that x != y + v

Parameters:

x - the left member

y - the right memer

v - the offset value on y

See Also:

• CPFactory.neq(CPIntVar, CPIntVar, int)

NotEqual

public NotEqual(CPIntVar x,
 CPIntVar y)

Creates a constraint such that x != y

Parameters:

x - the left member

y - the right memer

See Also:

• CPFactory.neq(CPIntVar, CPIntVar)

Method Details

post

public void post()

Description copied from interface: CPConstraint

Initializes the constraint when it is posted to the solver.

Specified by:

post in interface CPConstraint

Overrides:

post in class AbstractCPConstraint

propagate

public void propagate()

Description copied from interface: CPConstraint

Propagates the constraint.

Specified by:

propagate in interface CPConstraint

Overrides:

propagate in class AbstractCPConstraint