[jboss-user] [jBPM] - Process in Eclipse Designer with two Script Tasks

[Kai Gebhardt]

Kai Gebhardt [https://community.jboss.org/people/kg86] created the discussion

"Process in Eclipse Designer with two Script Tasks"

To view the discussion, visit: https://community.jboss.org/message/717907#717907

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Hi,
I tried to create a process in the eclipse designer. I created a global process variable 'anzahl' as Integer. Then I created two script tasks. The first set 'anzahl' as 20. The second print the value of 'anzahl'.
But the result is 'null' and not '20' as I expected. Here is my XML Code of process:

<?xml version="1.0" encoding="UTF-8"?> 
<definitions id="Definition"
             targetNamespace=" http://www.jboss.org/drools http://www.jboss.org/drools"
             typeLanguage=" http://www.java.com/javaTypes http://www.java.com/javaTypes"
             expressionLanguage=" http://www.mvel.org/2.0 http://www.mvel.org/2.0"
             xmlns=" http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/20100524/MODEL"
             xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation=" http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd"
             xmlns:g=" http://www.jboss.org/drools/flow/gpd http://www.jboss.org/drools/flow/gpd"
             xmlns:bpmndi=" http://www.omg.org/spec/BPMN/20100524/DI http://www.omg.org/spec/BPMN/20100524/DI"
             xmlns:dc=" http://www.omg.org/spec/DD/20100524/DC http://www.omg.org/spec/DD/20100524/DC"
             xmlns:di=" http://www.omg.org/spec/DD/20100524/DI http://www.omg.org/spec/DD/20100524/DI"
             xmlns:tns=" http://www.jboss.org/drools http://www.jboss.org/drools">

  <itemDefinition id="_anzahlItem" structureRef="Integer" />

  <process processType="Private" isExecutable="true" id="com.sample.bpmn.anzahl" name="Anzahltest" >

    <!-- process variables -->
    <property id="anzahl" itemSubjectRef="_anzahlItem"/>

    <!-- nodes -->
    <startEvent id="_1" name="StartProcess" />
    <endEvent id="_3" name="EndProcess" >
        <terminateEventDefinition/>
    </endEvent>
    <scriptTask id="_5" name="Anzahl ausgeben" scriptFormat=" http://www.java.com/java http://www.java.com/java" >
      <script>System.out.println(anzahl);</script>
    </scriptTask>
    <scriptTask id="_6" name="Anzahl 20" scriptFormat=" http://www.java.com/java http://www.java.com/java" >
      <script>anzahl= 20;</script>
    </scriptTask>

    <!-- connections -->
    <sequenceFlow id="_5-_3" sourceRef="_5" targetRef="_3" />
    <sequenceFlow id="_6-_5" sourceRef="_6" targetRef="_5" />
    <sequenceFlow id="_1-_6" sourceRef="_1" targetRef="_6" />

  </process>

  <bpmndi:BPMNDiagram>
    <bpmndi:BPMNPlane bpmnElement="com.sample.bpmn.anzahl" >
      <bpmndi:BPMNShape bpmnElement="_1" >
        <dc:Bounds x="16" y="16" width="48" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_3" >
        <dc:Bounds x="382" y="17" width="48" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_5" >
        <dc:Bounds x="222" y="15" width="125" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_6" >
        <dc:Bounds x="100" y="15" width="80" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="_5-_3" >
        <di:waypoint x="284" y="39" />
        <di:waypoint x="406" y="41" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="_6-_5" >
        <di:waypoint x="140" y="39" />
        <di:waypoint x="284" y="39" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="_1-_6" >
        <di:waypoint x="40" y="40" />
        <di:waypoint x="140" y="39" />
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>

</definitions>

Have I made some mistakes?

Thanks a lot!

Cu Kai
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