Re: activity query

Thanks for the explanation, Sasa - I'll try that out.
-Ben

On 7/4/05, Sasa Bojanic <[email protected]> wrote:
> Hi,
> 
> I just checked, and everything works fine.
> The problem is in your usage of iterators.
> 
> If you are retrieving iterator through ExecutionAdministration interface, than you need to generate query expression using
> appropriate expression builder. In your case, it would be:
> 
>             ...........
>             WfActivityIterator actIt=ea.get_iterator_activity();
>             ActivityIteratorExpressionBuilder
> aieb=Shark.getInstance().getExpressionBuilderManager().getActivityIteratorExpressionBuilder();
>             aieb.addNameEquals("someName");
>             ai.set_query_expression(aieb.toExpression());
>             WfActivity[] aa=ai.get_next_n_sequence(0);
>             .............
> 
> NOTE: if you do not set any expression, and you retrieved iterator through ExecutionAdministration interface, you'll get an empty
> array as a result.
> 
> If you are retrieving iterator through appropriate object, than you need to set textual expression, i.e.:
> 
>             ...................
>             WfActivityIterator ai=proc.get_iterator_step();
>             ai.set_query_expression("name.equals(\"someName\")");
>             WfActivity[] aa=ai.get_next_n_sequence(0);
>             ...................
> 
> Regards,
> Sasa.
> 
> ----- Original Message -----
> From: "Ben Anderson" <[email protected]>
> To: <[email protected]>
> Sent: Friday, July 01, 2005 9:26 PM
> Subject: [shark] activity query
> 
> 
> Hi,
> I'm trying to do an query on activities, but am coming back with no results:
> 
> ea.connect(this.user, this.password, "", "");
> WfActivityIterator actIt = ea.get_iterator_activity();
> // I know activities exist with this name because I
> // see them when I query for processes
> String query = "name.equals(\"someName\")";
> actIt.set_query_expression(query);
> WfActivity[] wfas = actIt.get_next_n_sequence(0);
> LOG.debug("wfas.length: "+wfas.length);
> 
> Am I doing something wrong here?  Also, does it matter who I'm logged
> into the ExecutionAdministration as?  I'm just using one user/group at
> this point.
> 
> Thanks,
> Ben
> 
> 
> 
> 
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