pong.bpel

bpel执行引擎用来执行bpel业务流程

<?xml version="1.0" encoding="UTF-8"?>
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  ~ to you under the Apache License, Version 2.0 (the
  ~ "License"); you may not use this file except in compliance
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  ~    http://www.apache.org/licenses/LICENSE-2.0
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<process
        name="Pong"
        xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
        targetNamespace="urn:/Pong.bpel"
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        xmlns:tns="urn:/Pong.bpel"
        xmlns:pong="urn:/Pong.wsdl"
        expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">

    <import location="Pong.wsdl"
            namespace="urn:/Pong.wsdl"
            importType="http://schemas.xmlsoap.org/wsdl/" />

    <import location="Pong.wsdl"
            namespace="urn:/Pong.wsdl"
            importType="http://schemas.xmlsoap.org/wsdl/" />

    <partnerLinks>
        <partnerLink name="PongPartnerLink"
                partnerLinkType="pong:PongPartnerLinkType"
                myRole="Provider" />
    </partnerLinks>

    <variables>
        <variable messageType="pong:PongRequest" name="pongRequest"/>
        <variable messageType="pong:PongResponse" name="pongResponse"/>
        <variable type="xsd:string" name="text" />
    </variables>

    <sequence name="Main">
        <receive name="pongReceive"
                createInstance="yes"
                operation="Pong"
                partnerLink="PongPartnerLink"
                portType="pong:PongPortType"
                variable="pongRequest"/>

        <assign name="assignPongRequest">
            <!-- add "ping" text to the input text -->
            <copy>
                <from>concat($pongRequest.body/pong:text, ' pong')</from>
                <to>$text</to>
            </copy>
            <!-- initialize pongResponse -->
            <copy>
                <from>
                    <literal>
                        <pong:PongRequest>
                            <pong:text/>
                        </pong:PongRequest>
                    </literal>
                </from>
                <to>$pongResponse.body</to>
            </copy>
            <!-- copy new text into pongResponse -->
            <copy>
                <from>$text</from>
                <to>$pongResponse.body/pong:text</to>
            </copy>
        </assign>
        
        <reply name="pongReply"
                partnerLink="PongPartnerLink"
                portType="pong:PongPortType"
                operation="Pong"
                variable="pongResponse"/>
    </sequence>
</process>