Accessing Sequence Flow id from DelegateExcution

[erwin57]

I am currently using Activiti 5.13 version and trying to create my own expression evaluator which accepts a string expression and DelegateExecution as show below.

<sequenceFlow id="flow1" sourceRef="theStart" targetRef="theTask">
  <conditionExpression xsi:type="tFormalExpression">
    <![CDATA[${mybean.evaluate(myExpressionString,execution)}]]>
  </conditionExpression>
</sequenceFlow>
‍‍‍‍‍‍‍

class MyBean {
   public Boolean evaluate(String expressionString, DelegateExcution execution){
              System.out.println(execution.getCurrentActivityId());
              return myEvaluator.evaluate(expressionString);
   }
}
‍‍‍‍‍‍‍‍

The method prints out the exclusive gateway id instead of the sequence flow id ( "flow1"). I also have a second sequence flow which printed out the same exclusive gateway id. How do I get hold of the sequence flow id from DelegateExection?

Thanks in advance.

[martin_grofcik]

Hi,

to get sequence flow which is evaluated you should change


    while (outgoingSeqFlow == null && transitionIterator.hasNext()) {
      PvmTransition seqFlow = transitionIterator.next();
     
      Condition condition = (Condition) seqFlow.getProperty(BpmnParse.PROPERTYNAME_CONDITION);
      if ( (condition == null && (defaultSequenceFlow == null || !defaultSequenceFlow.equals(seqFlow.getId())) )
              || (condition != null && condition.evaluate(execution)) ) {
        if (log.isDebugEnabled()) {
          log.debug("Sequence flow '{}'selected as outgoing sequence flow.", seqFlow.getId());
        }
        outgoingSeqFlow = seqFlow;
      }
    }

Condition is evaluated only from execution, which does not contain information about flow to take.

Regards
Martin