[jboss-user] [jBPM] - Beginner Question: How to pass process variables to a Java Task

Paul Mueller do-not-reply at jboss.com
Wed Apr 21 09:07:29 EDT 2010

Paul Mueller [http://community.jboss.org/people/PaulTK] created the discussion

"Beginner Question: How to pass process variables to a Java Task"

To view the discussion, visit: http://community.jboss.org/message/538718#538718


I am new to jBPM, and i currently do not understand how to pass process variables into a Java Task.

To start the java task i have this code fragment:

<java name="MyMethod" method="testMethod" var="result">
              <string value="#{test}"/>      

The java method:

public String testMethod( String testIn )
  return testIn+"_result";

To start the process i have this:

Map<String,Object> variables = new HashMap<String,Object>();
variables.put("test", "a test text");
pi = executionService.startProcessInstanceByKey("MyProcess", variables );

As a result i got "#{test}" and not "a test text". So what i am doing wrong?
And what is the best practice to pass process variables to a java task?

Thanks for help!



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