[rules-users] Drools Flow - new variables

[Michal Bali]

Thank you Mark.No problem at all. I was just wondering.
Unfortunately, I don't have any free time at the moment for implementing
this new feature :(


On Thu, Nov 6, 2008 at 2:18 AM, Mark Proctor <mproctor at codehaus.org> wrote:

>  Michal Bali wrote:
>
> Hello,
>
> Is there a way to define new variables within ruleflow?.
>
> If I try to set variable that hasn't been declared in the ruleflow header -
> the variables section. I get following error:
> "Could not find variable someVariableName
> Continuing without setting value"
>
> I don't believe this is possible at the moment. We are in feature freeze
> now for the core team, so we don't have time for new features, but if you
> can dig into the code and figure out a clean way to do this with some unit
> tests, we should be able to get it into 5.0.
>
>
> I am using following code:
> context.setVariable("someVariableName", "someValue");
>
> I need this for couple of reasons:
>  - I have a custom *generic* WorkItem that has some parameters. I want to
> set them *dynamically* at runtime. Ideally, define new variables in onEntry
> and then map them with an in-mapping.
>  - in a subflow, the subflow calculates some value, I'd like to store this
> value as variable and then use the out-mapping to propagate it to the parent
> ruleflow.
>
> I can't find any examples/test cases doing this.
>
> Is there a way to define new variables within ruleflow?.
>
> Thanking you in advance.
> Best Regards,
> Michal
>
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