[rules-users] Using 'from {x}.field' in DSL

[Wolfgang Laun]

Have you checked the expanded DRL? What does this line look like?

-W

On 12 June 2012 17:06, Sandjaja, Dominik <dominik.sandjaja at it-motive.de>wrote:

> **
>
> I have the following Drools DSL "sentence":
>
>     [when]The field {field} in the module {module} contains value
> {value}=$a : {module} ( {field} != null)
>
>           String( this.equalsIgnoreCase("{value}") ) from $a.{field}
>
> where the `field` is a `Set` of Strings.
>
> Now, if I have two of these sentences in one rule, it obviously won't
> work as the variable `$a` occurs twice. So I wanted to improve the rule to
> make the variable, well, variable:
>
>     [when]The field {field} in the module {module} contains value {value}
> as {a}={a} : {module} ( {field} != null)
>
>           String( this.equalsIgnoreCase("{value}") ) from {a}.{field}
>
> This doesn't work, I can't use the part `{a}.`, that breaks.
>
> So, my questions are: Is there either a way to rewrite the rules or a way
> to allow the `{variable}.` notation to work? Alternatively, is there a
> `contains` operator which works case insensitive?
>
> Thanks in advance
>
> Dominik
>
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