extvar2.bpel

bpel执行引擎用来执行bpel业务流程

<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Licensed to the Apache Software Foundation (ASF) under one
  ~ or more contributor license agreements.  See the NOTICE file
  ~ distributed with this work for additional information
  ~ regarding copyright ownership.  The ASF licenses this file
  ~ to you under the Apache License, Version 2.0 (the
  ~ "License"); you may not use this file except in compliance
  ~ with the License.  You may obtain a copy of the License at
  ~
  ~    http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing,
  ~ software distributed under the License is distributed on an
  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  ~ KIND, either express or implied.  See the License for the
  ~ specific language governing permissions and limitations
  ~ under the License.
  -->
<process name="ExtVar2" targetNamespace="http://ode/bpel/unit-test" 
    xmlns:bpws="http://docs.oasis-open.org/wsbpel/2.0/process/executable" 
    xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable" 
    xmlns:tns="http://ode/bpel/unit-test" 
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
    xmlns:test="http://ode/bpel/unit-test.wsdl" 
    xmlns:foo="http://foo/extvar" 
    xmlns:xvar="http://ode.apache.org/externalVariables" 
    queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath2.0" 
    expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath2.0">

    <import namespace="http://foo/extvar" location="ExtVar2.xsd" importType="http://www.w3.org/2001/XMLSchema"/>

    <import location="ExtVar2.wsdl" namespace="http://ode/bpel/unit-test.wsdl" importType="http://schemas.xmlsoap.org/wsdl/" />


    <partnerLinks>
        <partnerLink name="ExtVarPartnerLink" partnerLinkType="test:ExtVarPartnerLinkType" myRole="me" />
    </partnerLinks>

    <variables>
        <variable name="myVar" messageType="test:ExtVarMessage"/>
        <variable name="costPerCustomer-keys" element="foo:costPerCustomer-keys"/>
        <variable name="costPerCustomer"      element="foo:costPerCustomer" 
                  xvar:id="costPerCustomer"   xvar:relates-to="costPerCustomer-keys"/>
    </variables>

    <sequence>
        <receive name="start" partnerLink="ExtVarPartnerLink" portType="test:ExtVarPortType" 
            operation="extvar" variable="myVar" createInstance="yes"/>

          
        <!-- insert new row by assigning directly into the external variable -->
        
        <assign name="insertNewRow">
            <copy>
                <from>
                    <literal>
                        <foo:costPerCustomer>
                            <foo:key1>k1</foo:key1>
                            <foo:value0>v1</foo:value0>
                        </foo:costPerCustomer>
                    </literal>
                </from>
                <to>$costPerCustomer</to>
            </copy>
        </assign>

        <if>
            <condition>normalize-space($costPerCustomer-keys/foo:key1) = 'k1'</condition>
            <empty/>
            <else>
                <throw faultName="foo:key1NotCreated"/>
            </else>
        </if>

        <!-- assign into key just to confuse things -->

        <assign name="changeKey1">
            <copy>
                <from>
                    <literal>k2</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer-keys/foo:key1 = 'k2'</condition>
            <empty/>
            <else>
                <throw faultName="foo:changeKey1"/>
            </else>
        </if>

        <assign name="changeKey2">
            <copy>
                <from>
                    <literal>k1</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer-keys/foo:key1 = 'k1'</condition>
            <empty/>
            <else>
                <throw faultName="foo:changeKey1"/>
            </else>
        </if>

        <!-- update row by assigning into extvar -->
        
        <assign name="updateRow">
            <copy>
                <from>
                    <literal>v1-2</literal>
                </from>
                <to>$costPerCustomer/foo:value0</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer/foo:value0 = 'v1-2'</condition>
            <empty/>
            <else>
                <throw faultName="foo:rowNotUpdated"/>
            </else>
        </if>


        <!-- update another row -->

        <assign name="createAnotherRow">
            <copy>
                <from>
                    <literal>k2</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
        </assign>

        <assign name="updateRow">
            <copy>
                <from>
                    <literal>v2-1</literal>
                </from>
                <to>$costPerCustomer/foo:value0</to>
            </copy>
        </assign>

        
        <!-- insert a new row -->

        <assign name="insertRow">
            <copy>
                <from>
                    <literal>k3</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
            <copy>
                <from>
                    <literal>v3</literal>
                </from>
                <to>$costPerCustomer/foo:value0</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer/foo:key1 = 'k3'</condition>
            <empty/>
            <else>
                <throw faultName="foo:insertKey"/>
            </else>
        </if>

        <if>
            <condition>$costPerCustomer/foo:value0 = 'v3'</condition>
            <empty/>
            <else>
                <throw faultName="foo:insertValue"/>
            </else>
        </if>

        
        <!-- go back to first row -->

        <assign name="goBack1">
            <copy>
                <from>
                    <literal>k1</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer/foo:value0 = 'v1-2'</condition>
            <empty/>
            <else>
                <throw faultName="foo:goBack1"/>
            </else>
        </if>

        <!-- go back to 3rd row -->

        <assign name="goBack3">
            <copy>
                <from>
                    <literal>k3</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer/foo:value0 = 'v3'</condition>
            <empty/>
            <else>
                <throw faultName="foo:goBack3"/>
            </else>
        </if>

        <!-- go back to 2nd row -->

        <assign name="goBack2">
            <copy>
                <from>
                    <literal>k2</literal>
                </from>
                <to>$costPerCustomer-keys/foo:key1</to>
            </copy>
        </assign>

        <if>
            <condition>$costPerCustomer/foo:value0 = 'v2-1'</condition>
            <empty/>
            <else>
                <throw faultName="foo:goBack2"/>
            </else>
        </if>


        <!-- send back response -->

        <assign name="assignResponse">
            <copy>
                <from>
                    <literal>
                        <foo:response>
                            <foo:keys/>
                            <foo:values/>
                        </foo:response>
                    </literal>
                </from>
                <to>$myVar.TestPart</to>
            </copy>
            <copy>
                <from>$costPerCustomer-keys</from>
                <to>$myVar.TestPart/foo:keys</to>
            </copy>
            <copy>
                <from>$costPerCustomer</from>
                <to>$myVar.TestPart/foo:values</to>
            </copy>
        </assign>

        <reply name="end" partnerLink="ExtVarPartnerLink" portType="test:ExtVarPortType" operation="extvar" variable="myVar"/>
    </sequence>
</process>