ACT-119 Added example for a Web Service invocation with simplistic data flow

modules/activiti-mule/src/test/resources/org/activiti/engine/test/bpmn/servicetask/WebServiceTaskTest.testWebServiceInvocationWithSimplisticDataFlow.bpmn20.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<definitions id="definitions" 
+  xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:activiti="http://activiti.org/bpmn-extensions"
+  typeLanguage="http://www.w3.org/2001/XMLSchema"
+  expressionLanguage="http://java.sun.com/products/jsp/" 
+  targetNamespace="http://www.activiti.org/bpmn2.0/examples/webServiceInvocationWithSimplisticDataFlow"
+  xmlns:tns="http://www.activiti.org/bpmn2.0/examples/webServiceInvocationWithSimplisticDataFlow"
+  xmlns:counter="http://webservice.activiti.org/">
+  <!--
+    XML Schema is used as type language for the model whereas the Java
+    Unified Expression Language serves as language for Expressions.
+  -->
+
+  <import importType="http://schemas.xmlsoap.org/wsdl/"
+          location="http://localhost:63081/counter?wsdl"
+          namespace="http://webservice.activiti.org/" />
+          
+  <process id="webServiceInvocationWithSimplisticDataFlow">
+  
+    <startEvent id="theStart" />
+    
+    <sequenceFlow id="flow1" sourceRef="theStart" targetRef="webService" />
+    
+    <serviceTask id="webService" 
+                 name="Web service invocation"
+                 implementation="##WebService"
+                 operationRef="tns:prettyPrintCountOperation">
+      <!--
+        Warning: The following code abuses the syntax of Data Associations
+        for a radical shortcut.
+      -->
+      <dataInputAssociation>
+        <sourceRef>PrefixVariable</sourceRef><!-- name of an Activiti variable -->
+        <targetRef>prefix</targetRef><!-- name of an element of the input message -->
+      </dataInputAssociation>
+      <dataInputAssociation>
+        <sourceRef>SuffixVariable</sourceRef><!-- name of an Activiti variable -->
+        <targetRef>suffix</targetRef><!-- name of an element of the input message -->
+      </dataInputAssociation>
+      <dataOutputAssociation>
+      	<sourceRef>prettyPrint</sourceRef><!-- name of an element of the output message -->
+      	<targetRef>OutputVariable</targetRef><!-- name of an Activiti variable -->
+      </dataOutputAssociation>
+    </serviceTask>
+    
+    <sequenceFlow id="flow2" sourceRef="webService" targetRef="waitState" />
+    
+    <receiveTask id="waitState" />
+    
+    <sequenceFlow id="flow3" sourceRef="waitState" targetRef="theEnd" />
+    
+    <endEvent id="theEnd" />
+    
+  </process>
+
+  <!-- Interface: implementationRef = QName of WSDL Port Type -->
+  <interface name="Counter Interface" implementationRef="counter:Counter">
+    <!-- Operation: implementationRef = QName of WSDL Operation -->
+    <operation id="prettyPrintCountOperation" name="prettyPrintCount Operation" implementationRef="counter:prettyPrintCount">
+      <inMessageRef>tns:prettyPrintCountRequestMessage</inMessageRef>
+      <outMessageRef>tns:prettyPrintCountResponseMessage</outMessageRef>
+    </operation>
+  </interface>
+  
+  <message id="prettyPrintCountRequestMessage" itemRef="tns:prettyPrintCountRequestItem" />
+  <message id="prettyPrintCountResponseMessage" itemRef="tns:prettyPrintCountResponseItem" />
+  
+  <itemDefinition id="prettyPrintCountRequestItem" structureRef="counter:prettyPrintCount" /><!-- QName of input element -->
+  <itemDefinition id="prettyPrintCountResponseItem" structureRef="counter:prettyPrintCountResponse" /><!-- QName of output element -->
+  
+</definitions>
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