Module org.maxicp

Package org.maxicp.cp.engine.constraints.setvar

Class IsSubset

java.lang.Object

org.maxicp.cp.engine.core.AbstractCPConstraint

org.maxicp.cp.engine.constraints.setvar.IsSubset

All Implemented Interfaces:

CPConstraint, ConcreteConstraint<ConcreteCPModel>

public class IsSubset
extends AbstractCPConstraint

Constraint that enforces a boolean variable is true if one set is a subset of another set.

Constructor Summary

Constructors

Constructor	Description
IsSubset(CPBoolVar b, CPSetVar set1, CPSetVar set2)	Creates a constraint that enforces the boolean variable b to be true if and only set1 is a subset (not necessarily strict) of set2 .

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

IsSubset

public IsSubset(CPBoolVar b,
 CPSetVar set1,
 CPSetVar set2)

Creates a constraint that enforces the boolean variable b to be true if and only set1 is a subset (not necessarily strict) of set2 .

Parameters:

b - the boolean variable

set1 - the first set than can be included in the second set

set2 - the second set

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