org.jacop.constraints.netflow

Class MultiVarHandler

java.lang.Object

org.jacop.constraints.netflow.MultiVarHandler

All Implemented Interfaces:

VarHandler

public class MultiVarHandler
extends Object
implements VarHandler

Version:

4.9

Author:

Robin Steiger and Radoslaw Szymanek

Constructor Summary

Constructors

Constructor and Description
MultiVarHandler(IntVar variable, VarHandler... handlers)

Method Summary

Modifier and Type	Method and Description
void	add(VarHandler handler)
int	getPruningEvent(Var variable) Retrieves the consistency pruning event of a handler variable that causes the handler to be reevaluated.
List<IntVar>	listVariables()
void	processEvent(IntVar variable, MutableNetwork network) Informs the handler that one of its variable has changed and asks the handler to update the state of the network accordingly.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiVarHandler

public MultiVarHandler(IntVar variable,
                       VarHandler... handlers)

Method Detail

add

public void add(VarHandler handler)

getPruningEvent

public int getPruningEvent(Var variable)

Description copied from interface: VarHandler

Retrieves the consistency pruning event of a handler variable that causes the handler to be reevaluated. For instance, X- and W-variables will listen to BOUND events while S-variables typically consider ANY events.

Specified by:

getPruningEvent in interface VarHandler

Parameters:

variable - a handler variable

Returns:

the pruning event which causes reevaluation of the handler

listVariables

public List<IntVar> listVariables()

Specified by:

listVariables in interface VarHandler

Returns:

the list of variables handled by this handler

processEvent

public void processEvent(IntVar variable,
                         MutableNetwork network)

Description copied from interface: VarHandler

Informs the handler that one of its variable has changed and asks the handler to update the state of the network accordingly.

Specified by:

processEvent in interface VarHandler

Parameters:

variable - the variable that changed

network - the network