|
|||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||||
Common interface for an algorithm to calculate the value of a
CalculatedField.
| Method Summary | |
Object |
calculate(Form form,
Widget parent,
Datatype datatype)
Performs the actual calculation. |
Iterator |
getTriggerWidgets()
Returns an iterator on trigger widget paths. |
boolean |
isSuitableFor(Datatype dataType)
Checks wether this algorithm is able to return the given datatype. |
| Method Detail |
public boolean isSuitableFor(Datatype dataType)
dataType - The target datatype.
public Object calculate(Form form,
Widget parent,
Datatype datatype)
form - The form.parent - The parent widget of the CalculatedField widget (may be the same as form)datatype - The target datatype.
CalculatedField.public Iterator getTriggerWidgets()
CalculatedField value must be recalculated.
WidgetFinder.
|
|||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||||