hello.bpel

来自「ejb3 java session bean」· BPEL 代码 · 共 38 行

<?xml version="1.0" encoding="UTF-8"?>
<process name="HelloWorld" targetNamespace="http://jbpm.org/examples/hello"
  xmlns:tns="http://jbpm.org/examples/hello"
  xmlns:bpel="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
  xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/">

  <partnerLinks>
    <!-- establishes the relationship with the caller agent -->
    <partnerLink name="caller" partnerLinkType="tns:Greeter-Caller" myRole="Greeter" />
  </partnerLinks>

  <variables>
    <!-- holds the incoming message -->
    <variable name="request" messageType="tns:nameMessage" />
    <!-- holds the outgoing message -->
    <variable name="response" messageType="tns:greetingMessage" />
  </variables>

  <sequence name="MainSeq">

    <!-- receive the name of a person -->
    <receive name="ReceiveName" operation="sayHello" partnerLink="caller" portType="tns:Greeter"
      variable="request" createInstance="yes" />

    <!-- compose a greeting phrase -->
    <assign name="ComposeGreeting">
      <copy>
        <from expression="concat('Hello, ', bpel:getVariableData('request', 'name'), '!')" />
        <to variable="response" part="greeting" />
      </copy>
    </assign>

    <!-- send greeting back to caller -->
    <reply name="SendGreeting" operation="sayHello" partnerLink="caller" portType="tns:Greeter"
      variable="response" />
  </sequence>

</process>