On 07/04/2011 07:15, Wolfgang Laun wrote:

The main point I was trying to make here was that very complex expressions are very, very rare.

An acceptable compromise would be to analyse what can be done without busting a vein, and to flag anything anthing else as an error ("expression too complicated") and document the way around, presumably a user-defined variable where the user provides the type. And if the expressions is really so complex, this might even imrove readability ;-)

MVEL returns Object as the return type if it can't figure out what it is. So that could be possability. So on Object as the return type we use the expr on each and every setter. Good idea. Do we need to throw an exception or just default to re-evaluating the expr for each setter?

Mark

Wolfgang


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