BPMN2-ServiceProcessWithMvelJaxbTransformation.bpmn2

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

  <itemDefinition id="_sItem" structureRef="org.jbpm.bpmn2.objects.Person" />

  <itemDefinition id="_2_InMessageType" structureRef="java.lang.String"/>
  <message id="_2_InMessage" itemRef="_2_InMessageType" />
  <interface id="_2_ServiceInterface" name="org.jbpm.bpmn2.objects.HelloService">
    <operation id="_2_ServiceOperation" name="validate">
      <inMessageRef>_2_InMessage</inMessageRef>
    </operation>
  </interface>

  <process processType="Private" isExecutable="true" id="ServiceProcess" name="Service Process" >
    <extensionElements>
      <tns:import name="javax.xml.bind.JAXBContext"/>
      <tns:import name="java.io.StringReader"/>
      <tns:import name="java.io.StringWriter"/>
      <tns:import name="org.jbpm.bpmn2.objects.Person"/>
      <tns:import name="org.jbpm.bpmn2.objects.Address"/>
    </extensionElements>
    <!-- process variables -->
    <property id="s" itemSubjectRef="_sItem"/>    

    <!-- nodes -->
    <startEvent id="_1" name="StartProcess" />
    <serviceTask id="_2" name="Hello" operationRef="_2_ServiceOperation" implementation="Other" >
      <ioSpecification>
        <dataInput id="_2_param" name="Parameter" />
        <dataOutput id="_2_result" name="Result" />
        <inputSet>
          <dataInputRefs>_2_param</dataInputRefs>
        </inputSet>
        <outputSet>
          <dataOutputRefs>_2_result</dataOutputRefs>
        </outputSet>
      </ioSpecification>
      <dataInputAssociation>
        <sourceRef>s</sourceRef>      
        <targetRef>_2_param</targetRef>
        <transformation language="http://www.mvel.org/2.0"><![CDATA[
          StringWriter result = new java.io.StringWriter();
          JAXBContext.newInstance(Person, Address).createMarshaller().marshal(Parameter, result);
          return result.toString();]]>
      </transformation>
      </dataInputAssociation>
      <dataOutputAssociation>
        <sourceRef>_2_result</sourceRef>
        <targetRef>s</targetRef>
        <transformation language="http://www.mvel.org/2.0"><![CDATA[
          StringReader result = new java.io.StringReader(Result);
          return JAXBContext.newInstance(Person, Address).createUnmarshaller().unmarshal(result);]]>
        </transformation>
      </dataOutputAssociation>
    </serviceTask>
    <endEvent id="_3" name="EndProcess" >
        <terminateEventDefinition/>
    </endEvent>

    <!-- connections -->
    <sequenceFlow id="_1-_2" sourceRef="_1" targetRef="_2" />
    <sequenceFlow id="_2-_3" sourceRef="_2" targetRef="_3" />

  </process>

  <bpmndi:BPMNDiagram>
    <bpmndi:BPMNPlane bpmnElement="ServiceProcess" >
      <bpmndi:BPMNShape bpmnElement="_1" >
        <dc:Bounds x="16" y="16" width="48" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_2" >
        <dc:Bounds x="96" y="16" width="100" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_3" >
        <dc:Bounds x="228" y="16" width="48" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="_1-_2" >
        <di:waypoint x="40" y="40" />
        <di:waypoint x="146" y="40" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="_2-_3" >
        <di:waypoint x="146" y="40" />
        <di:waypoint x="252" y="40" />
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>

</definitions>