[rules-users] Problems with OR

[Giovanni Motta]

exists(

TblVersichKlinik(

(versicherung != null, versicherung != " ") ||

(zusatzversicherung !=null, zusatzversicherung != " ")

)

)

Not tested, but should be like this...
Regards

2010/6/18 skasab2s <skasab2s at smail.inf.fh-brs.de>

>
> Hello,
>
> we are using Drools Expert. We have a rule which should fire if at least
> one
> of the object attributes are not empty. This is my pattern:
>
> ( TblVersichKlinik(versicherung != null, versicherung != " ")
> or
> (TblVersichKlinik(zusatzversicherung !=null, zusatzversicherung != " ")) )
>
> The problem is the following: when BOTH conditions are fulfilled, the rule
> fires twice, so I get redundant results in my final result, and this is not
> wanted.
>
> Is there a way to solve the problem? Any ideas ?
>
> Thanks a lot and many regards!
>
> skasab2s
> --
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