counter.bpel

bpel执行引擎用来执行bpel业务流程

<?xml version="1.0"?>
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<b:process xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:xsd="http://www.w3.org/2001/XMLSchema"
           xsi:schemaLocation="http://docs.oasis-open.org/wsbpel/2.0/process/executable http://docs.oasis-open.org/wsbpel/2.0/CS01/process/executable/ws-bpel_executable.xsd"
           xmlns:b="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
           name="counter"
           xmlns:t="http://example.com/bpel/counter"
           targetNamespace="http://example.com/bpel/counter">

    <b:import importType="http://schemas.xmlsoap.org/wsdl/"
              location="counter.wsdl"
              namespace="http://example.com/bpel/counter" />

    <b:partnerLinks>
        <b:partnerLink name="operations" partnerLinkType="t:plink" myRole="me" />
    </b:partnerLinks>

    <b:variables>
        <b:variable name="counter" messageType="t:responseMessage" />
        <b:variable name="initiation" messageType="t:requestMessage" />
    </b:variables>

    <b:sequence>
        <b:receive partnerLink="operations" createInstance="yes" operation="initialize" portType="t:port"
                   variable="initiation">
        </b:receive>
        <b:assign>
            <b:copy>
                <b:from>0</b:from>
                <b:to variable="counter" part="value"></b:to>
            </b:copy>
        </b:assign>
        <b:while>
            <b:condition>10 &gt; $counter.value</b:condition>
            <b:sequence>
                <b:assign>
                    <b:copy>
                        <b:from>$counter.value+1</b:from>
                        <b:to>$counter.value</b:to>
                    </b:copy>
                </b:assign>
            </b:sequence>
        </b:while>
        <b:reply partnerLink="operations" operation="initialize" variable="counter"/>
    </b:sequence>
</b:process>