Module org.maxicp

Package org.maxicp.cp.engine.constraints

Class CardinalityMinFWC

java.lang.Object

org.maxicp.cp.engine.core.AbstractCPConstraint

org.maxicp.cp.engine.constraints.CardinalityMinFWC

All Implemented Interfaces:

CPConstraint, ConcreteConstraint<ConcreteCPModel>

public class CardinalityMinFWC
extends AbstractCPConstraint

Forward Checking Cardinality (Lower Bound) Constraint.

Constrains the minimum number of occurrences of each value v in 0..lower.length - 1 among the variables in x to be at least lower[v].

Constructor Summary

Constructors

Constructor	Description
CardinalityMinFWC(CPIntVar[] x, int[] lower)	Constraint the minimum number of occurrences of a range of values in X.

Method Summary

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

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

CardinalityMinFWC

public CardinalityMinFWC(CPIntVar[] x,
 int[] lower)

Constraint the minimum number of occurrences of a range of values in X.

Parameters:

x - The variables to constraint (at least one)

lower - The lower cardinality bounds, lower[i] is the minimum number of occurrences of value i in X

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