choco.cp.solver.constraints.integer
Class ElementG

java.lang.Object
  extended by choco.kernel.solver.propagation.Propagator
      extended by choco.kernel.solver.constraints.AbstractSConstraint<IntDomainVar>
          extended by choco.kernel.solver.constraints.integer.AbstractIntSConstraint
              extended by choco.kernel.solver.constraints.integer.AbstractBinIntSConstraint
                  extended by choco.cp.solver.constraints.integer.ElementG
All Implemented Interfaces:
IExtensionnable, IPretty, SConstraint<IntDomainVar>, IntPropagator, Cloneable, EventListener

public final class ElementG
extends AbstractBinIntSConstraint


Field Summary
protected  IStateInt[] domainSize
           
protected  IStateInt lastIndexInf
           
protected  IStateInt lastIndexSup
           
protected  IStateInt lastVarInf
           
protected  IStateInt lastVarSup
           
 
Fields inherited from class choco.kernel.solver.constraints.integer.AbstractBinIntSConstraint
v0, v1
 
Fields inherited from class choco.kernel.solver.constraints.AbstractSConstraint
cIndices, constraintType, extensions, vars
 
Fields inherited from class choco.kernel.solver.propagation.Propagator
active, constAwakeEvent, priority, propagationEngine
 
Fields inherited from interface choco.kernel.solver.constraints.SConstraint
LOGGER
 
Constructor Summary
ElementG(IntDomainVar index, int[] values, IntDomainVar var, IEnvironment environment)
           
 
Method Summary
 void awake()
          Propagation: Propagating the constraint for the very first time until local consistency is reached.
 void awakeOnBounds(int varIdx)
           
 void awakeOnInf(int i)
          Default propagation on improved lower bound: propagation on domain revision.
 void awakeOnInst(int i)
          Default propagation on instantiation: full constraint re-propagation.
 void awakeOnRem(int i, int x)
          Default propagation on one value removal: propagation on domain revision.
 void awakeOnSup(int i)
          Default propagation on improved upper bound: propagation on domain revision.
 Object clone()
          Clone the constraint
 Boolean isEntailed()
          Indicates if the constraint is entailed, from now on will be always satisfied
 boolean isSatisfied()
          Default implementation of the isSatisfied by delegating to the isSatisfied(int[] tuple)
 String pretty()
          pretty printing of the object.
 void propagate()
          Propagation: Propagating the constraint until local consistency is reached.
 String toString()
           
protected  void updateIndexFromValue(int v)
           
protected  void updateValueFromIndex(int i)
           
 
Methods inherited from class choco.kernel.solver.constraints.integer.AbstractIntSConstraint
awakeOnRemovals, getConstraintType, isConsistent, isSatisfied
 
Methods inherited from class choco.kernel.solver.constraints.AbstractSConstraint
addExtension, addListener, getAbstractSConstraintExtensionNumber, getConstraintIdx, getExtension, getFineDegree, getNbVarNotInst, getNbVars, getVar, getVarQuick, isCompletelyInstantiated, opposite, setConstraintIndex, setExtension, setVar
 
Methods inherited from class choco.kernel.solver.propagation.Propagator
activate, constAwake, fail, getEvent, getFilteredEventMask, getPriority, isActive, setActive, setActiveSilently, setEntailed, setPassive, setPropagationEngine
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

lastIndexInf

protected IStateInt lastIndexInf

lastIndexSup

protected IStateInt lastIndexSup

lastVarInf

protected IStateInt lastVarInf

lastVarSup

protected IStateInt lastVarSup

domainSize

protected IStateInt[] domainSize
Constructor Detail

ElementG

public ElementG(IntDomainVar index,
                int[] values,
                IntDomainVar var,
                IEnvironment environment)
Method Detail

clone

public Object clone()
             throws CloneNotSupportedException
Description copied from class: AbstractSConstraint
Clone the constraint

Overrides:
clone in class AbstractSConstraint<IntDomainVar>
Returns:
the clone of the constraint
Throws:
CloneNotSupportedException - Clone not supported exception

toString

public String toString()
Overrides:
toString in class AbstractSConstraint<IntDomainVar>

pretty

public String pretty()
Description copied from interface: IPretty
pretty printing of the object. This String is not constant and may depend on the context.

Specified by:
pretty in interface IPretty
Overrides:
pretty in class AbstractSConstraint<IntDomainVar>
Returns:
a readable string representation of the object

awakeOnInf

public void awakeOnInf(int i)
                throws ContradictionException
Description copied from class: AbstractIntSConstraint
Default propagation on improved lower bound: propagation on domain revision.

Specified by:
awakeOnInf in interface IntPropagator
Overrides:
awakeOnInf in class AbstractIntSConstraint
Throws:
ContradictionException

awakeOnSup

public void awakeOnSup(int i)
                throws ContradictionException
Description copied from class: AbstractIntSConstraint
Default propagation on improved upper bound: propagation on domain revision.

Specified by:
awakeOnSup in interface IntPropagator
Overrides:
awakeOnSup in class AbstractIntSConstraint
Throws:
ContradictionException

awakeOnBounds

public void awakeOnBounds(int varIdx)
                   throws ContradictionException
Specified by:
awakeOnBounds in interface IntPropagator
Overrides:
awakeOnBounds in class AbstractIntSConstraint
Throws:
ContradictionException

awakeOnInst

public void awakeOnInst(int i)
                 throws ContradictionException
Description copied from class: AbstractIntSConstraint
Default propagation on instantiation: full constraint re-propagation.

Specified by:
awakeOnInst in interface IntPropagator
Overrides:
awakeOnInst in class AbstractIntSConstraint
Throws:
ContradictionException

awakeOnRem

public void awakeOnRem(int i,
                       int x)
                throws ContradictionException
Description copied from class: AbstractIntSConstraint
Default propagation on one value removal: propagation on domain revision.

Specified by:
awakeOnRem in interface IntPropagator
Overrides:
awakeOnRem in class AbstractIntSConstraint
Throws:
ContradictionException

isEntailed

public Boolean isEntailed()
Description copied from class: AbstractSConstraint
Indicates if the constraint is entailed, from now on will be always satisfied

Overrides:
isEntailed in class AbstractSConstraint<IntDomainVar>
Returns:
wether the constraint is entailed

isSatisfied

public boolean isSatisfied()
Description copied from class: AbstractIntSConstraint
Default implementation of the isSatisfied by delegating to the isSatisfied(int[] tuple)

Specified by:
isSatisfied in interface SConstraint<IntDomainVar>
Overrides:
isSatisfied in class AbstractIntSConstraint
Returns:
true if the constraint is satisfied

propagate

public void propagate()
               throws ContradictionException
Description copied from class: Propagator
Propagation: Propagating the constraint until local consistency is reached.

Specified by:
propagate in class Propagator
Throws:
ContradictionException - contradiction exception

awake

public void awake()
           throws ContradictionException
Description copied from class: Propagator
Propagation: Propagating the constraint for the very first time until local consistency is reached.

Overrides:
awake in class Propagator
Throws:
ContradictionException - contradiction exception

updateValueFromIndex

protected void updateValueFromIndex(int i)
                             throws ContradictionException
Throws:
ContradictionException

updateIndexFromValue

protected void updateIndexFromValue(int v)
                             throws ContradictionException
Throws:
ContradictionException


Copyright © 2012. All Rights Reserved.