[jboss-user] [jBPM] - Re: Accessing process variables in rule-task

[leon_]

leon_ [http://community.jboss.org/people/leon_] created the discussion

"Re: Accessing process variables in rule-task"

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Thanks very much for your reply Esteban.
I am sorry for being a bit unclear. It is my writing style, and I am working on it to define problems in a more clear way :-)

So, if I have a variable "monkey" in my BPMN process (which is added to the map btw), where the user has given a value to in an .ftl form, let's say "chimp". And I want a rule to fire based on the value "chimp" I would write something like:

rule A

          ruleflow-group "chimps_are_nice"

          when

                              (Map)((WorkflowProcessInstance) kcontext.getKnowledgeRuntime().getProcessInstance(WorkflowProcessInstance(.getId())).getVariable("monkey") ==  "chimp";

          then

                             (Map) (WorkflowProcessInstance (kcontext.getKnowledgeRuntime().getProcessInstance(WorkflowProcessInstance().getId()).setVariable("character") =  "nice";



I realise I can store the path into a variable to shorten the code. But this is what it would come down to I guess?
I am retrieving the variable from the map, is this neccesary or can it be ommitted?
I assum to set variables I use *setVariable*, am I right?
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