[rules-users] Drools: Using Declared Types in Decision Tables

[Wolfgang Laun]

2011/2/4 David Smith <mail at davesmith.me.uk>

> Hi,
>
> I am trying to use a declared type in a decision table
> but get an "Unable to resolve ObjectType" message.
>
> The declared type is in a file types.drl,
> I have a spreadsheet test.xls that has a Ruleset with
> an import line for the declared type.
>
> Is it possible to reference a declared type from a decision table?
>

No, at least not without whacky hacks.


> Is it possible to declare a type in a decision table?
>

Yes, as if it were a function declaration. You can put declares in the cell
to the right of keyword "Functions".

Types declared in Java codes have some advantages. (I use declare for
defining *new* types only for playing around.)

-W


>
> Thanks
> David
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