Module org.maxicp

Package org.maxicp.cp.engine.constraints

Class Element1DVar

java.lang.Object

org.maxicp.cp.engine.core.AbstractCPConstraint

org.maxicp.cp.engine.constraints.Element1DVar

All Implemented Interfaces:

CPConstraint, ConcreteConstraint<ConcreteCPModel>

public class Element1DVar
extends AbstractCPConstraint

Element Constraint over an array of variables, modeling array[y] = z.

Constructor Summary

Constructors

Constructor	Description
Element1DVar(CPIntVar[] array, CPIntVar y, CPIntVar z)	Creates an element constraint array[y] = z where array is an array of integer variables.

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

Element1DVar

public Element1DVar(CPIntVar[] array,
 CPIntVar y,
 CPIntVar z)

Creates an element constraint array[y] = z where array is an array of integer variables.

Parameters:

array - the array of variables to index

y - the index variable

z - the result variable

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