[rules-users] How to access process variables within a work-item (human task)
Salaboy
salaboy at gmail.com
Mon Apr 26 09:28:08 EDT 2010
Did you register the equipement variable at process level? Mapping
uses that definitions to know about the variables used across the
processes.
Greetings
- Ing. Mauricio Salatino -
On Apr 26, 2010, at 1:56, Robert <robert.weissmann at web.de> wrote:
> Hi,
>
> I have
>
> ...
> StatefulKnowledgeSession
> ksession.getWorkItemManager().registerWorkItemHandler("Human Task",
> taskHandler);
> ...
>
> Map<String, Object> processVariables = new HashMap<String,
> Object>();
> processVariables.put("equipment", "OvenQP33");
>
> ProcessInstance pi = ksession.startProcess(processName,
> processVariables);
> ...
>
> ... within the taskHandler.executeWorkItem(WorkItem workItem,
> WorkItemManager workItemManager):
>
> I am setting a break-point, and I am getting there, but how am I
> able to
> access my processVariables or even set specific data for this
> particular
> work-item ?
>
> I tried using as described in the doc "9.1 Human tasks inside
> processes":
>
> - Parameter mapping: Allows copying the value of process
> variables to
> parameters of the human task. Upon creation of the human
> tasks, the
> values will be copied.
>
> But without any success. I just not getting to the "equipment"
> variable,
> which I need at this point of processing the work-item.
>
> The mapping I did: "equipment" -> "equipment". With the hope to find
> them
> within workItem.getParameters(), but they are not there and nowhere-
> else
> too.
>
> Any ideas ?
>
> Generally there are even many more settings possible for the human
> task,
> see doc (here the list:
> Id,
> Name,TaskName,Priority,Comment,ActorId,Skippable,Content,Swimlane,On-
> entry
> and on-exit actions,Parameter mapping,Result
> mapping,Timers,ParentId), but
> only a few are accessible through workItem.getParameters(). The
> others ?
> Also, no idea to get this data.
>
> Cheers, Rob.
>
>
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