Package net.ssehub.easy.varModel.cstEvaluation

Interface IValueChangeListener

All Known Implementing Classes:

RescheduleValueChangeVisitor

public interface IValueChangeListener

Is called when the EvaluationVisitor changes a value in the configuration.

Author:

Holger Eichelberger

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	IValueChangeListener.ChangeKind	Indicates the kind of the change.

Method Summary

Modifier and Type	Method	Description
void	notifyChanged(IDecisionVariable variable, Value oldValue, IAssignmentState oldState, IValueChangeListener.ChangeKind kind)	Called if the value of a variable has been modified.
void	notifyUnresolved(IDecisionVariable variable)	Called if an assignment to the given variable failed as the defining expression cannot be evaluated, e.g., due to an undefined variable.

Method Detail

notifyChanged

void notifyChanged(IDecisionVariable variable,
                   Value oldValue,
                   IAssignmentState oldState,
                   IValueChangeListener.ChangeKind kind)

Called if the value of a variable has been modified.

Parameters:

variable - the modified variable

oldValue - the value of variable before the change (may be null)

oldState - the old state of the variable before the change

kind - the change kind

notifyUnresolved

void notifyUnresolved(IDecisionVariable variable)

Called if an assignment to the given variable failed as the defining expression cannot be evaluated, e.g., due to an undefined variable.

Parameters:

variable - the variable that the evaluator was about to modify