variablescope1.bpel

bpel执行引擎用来执行bpel业务流程

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<!-- Test Case for BPEL variable scoping rules.
- Tests variable hiding by child scopes.

-->
<process name="VariableScope1"
    targetNamespace="http://ode/bpel/unit-test" 
    xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
    xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:test="uri:testing" >

  <partnerLinks>
    <partnerLink name="testPartnerLink"
      partnerLinkType="test:PartnerLinkType1"
      myRole="me" />
  </partnerLinks>

  <variables>
    <variable name="var1" messageType="test:Message1"/>
    <variable name="var2" type="xsd:string"/>
  </variables>

  <sequence>
    <receive
      createInstance="yes"
      name="startReceive"
      partnerLink="testPartnerLink"
      portType="test:PortType1"
      operation="opTwoWay"
      variable="var1"/>
    <sequence>
      <assign>
        <copy>
          <from expression="'bar'"/>
          <to variable="var2"/>
        </copy>
      </assign>
      <scope>
        <variables>
          <variable name="var2" type="xsd:string"/>
        </variables>
        <sequence>
          <assign>
            <copy>
              <from expression="'foo'"/>
              <to variable="var2"/>
            </copy>
            <copy>
              <from variable="var2"/>
              <to variable="var1" part="StringPart1"/>
            </copy>
          </assign>
        </sequence>
      </scope>
      <assign>
        <copy>
          <from expression="concat(bpws:getVariableData('var1','StringPart1'),bpws:getVariableData('var2'))"/>
          <to variable="var1" part="StringPart1"/>
        </copy>
      </assign>
    </sequence>
    <reply name="endReply"
      operation="opTwoWay"
      partnerLink="testPartnerLink"
      portType="test:PortType1"
      variable="var1"/>
  </sequence>

</process>