org.clafer.choco.constraint.propagator

Class PropSelectN

java.lang.Object

solver.constraints.Propagator<solver.variables.IntVar>

org.clafer.choco.constraint.propagator.PropSelectN

All Implemented Interfaces:

Serializable, Comparable<solver.constraints.Propagator>, solver.ICause, solver.Identity

public class PropSelectN
extends solver.constraints.Propagator<solver.variables.IntVar>

The first n booleans are the true, the rest are false.

Author:

jimmy

See Also:

Serialized Form

Field Summary

Fields inherited from class solver.constraints.Propagator

aCause, ACTIVE, coarseERcalls, constraint, environment, eventmasks, fails, fineERcalls, LOGGER, NEW, PASSIVE, priority, reactToFineEvt, REIFIED, solver, vars

Constructor Summary

Constructors

Constructor and Description
PropSelectN(solver.variables.BoolVar[] bools, solver.variables.IntVar n)

Method Summary

Methods

Modifier and Type	Method and Description
int	getPropagationConditions(int vIdx)
util.ESat	isEntailed()
void	propagate(int evtmask)
void	propagate(int idxVarInProp, int mask)
String	toString()

Methods inherited from class solver.constraints.Propagator

addVariable, advise, arity, clearMask, compareTo, contradiction, decNbPendingEvt, defineIn, dynPriority, explain, flushPendingEvt, forcePropagate, getConstraint, getId, getMask, getNbPendingEvt, getNbVars, getPriority, getSolver, getVar, getVars, getVIndices, hashCode, incNbPendingEvt, isActive, isCompletelyInstantiated, isPassive, isReifiedAndSilent, isStateLess, setActive, setPassive, setReifiedSilent, setReifiedTrue, setVIndices, updateMask

Methods inherited from class java.lang.Object

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

Constructor Detail

PropSelectN

public PropSelectN(solver.variables.BoolVar[] bools,
           solver.variables.IntVar n)

Method Detail

getPropagationConditions

public int getPropagationConditions(int vIdx)

Specified by:

getPropagationConditions in class solver.constraints.Propagator<solver.variables.IntVar>

propagate

public void propagate(int evtmask)
               throws solver.exception.ContradictionException

Specified by:

propagate in class solver.constraints.Propagator<solver.variables.IntVar>

Throws:

solver.exception.ContradictionException

propagate

public void propagate(int idxVarInProp,
             int mask)
               throws solver.exception.ContradictionException

Specified by:

propagate in class solver.constraints.Propagator<solver.variables.IntVar>

Throws:

solver.exception.ContradictionException

isEntailed

public util.ESat isEntailed()

Specified by:

isEntailed in class solver.constraints.Propagator<solver.variables.IntVar>

toString

public String toString()

Overrides:

toString in class Object