<?xml version="1.0" encoding="utf-8" ?>
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<process name="InventoryService"
         targetNamespace="http://manufacturing.org/wsdl/inventory/bp1"
         xmlns:tns="http://www.seebeyond.com/eInsight/newuntitled"
         xmlns:bpws="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
         xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
         xmlns:sxt="http://www.sun.com/wsbpel/2.0/process/executable/SUNExtension/Trace" 
         xmlns:sxed="http://www.sun.com/wsbpel/2.0/process/executable/SUNExtension/Editor"
         xmlns:invs="http://manufacturing.org/wsdl/inventory/bp1"
         xmlns:invsh="http://manufacturing.org/xsd/inventory"
         xmlns:po="http://manufacturing.org/xsd/purchase">
    
    <import namespace="http://manufacturing.org/wsdl/inventory/bp1"
            location="InventoryService.wsdl"
            importType="http://schemas.xmlsoap.org/wsdl/"></import>
    
    <import namespace="http://manufacturing.org/xsd/inventory"
            location="inventory.xsd"
            importType="http://www.w3.org/2001/XMLSchema"></import>
    
    <import namespace="http://manufacturing.org/xsd/purchase"
            location="purchaseOrder.xsd"
            importType="http://www.w3.org/2001/XMLSchema"></import>
    
    <partnerLinks>
        <partnerLink name="inventorySevicePLink" partnerLinkType="invs:inventoryRequestingLT" myRole="inventoryService"/>
    </partnerLinks>
    
    <variables>
        <variable name="purchaseOrder" messageType="invs:POMessage"></variable>
        <variable name="inventoryStatus" messageType="invs:InventoryMessage"></variable>
    </variables>

    <sequence>
        <receive name="inventoryService"
                 partnerLink="inventorySevicePLink"
                 portType="invs:inventoryPortType"
                 operation="inventoryService"
                 variable="purchaseOrder"
                 createInstance="yes">
        </receive>

        <bpws:assign validate="no" name="InitializeResponseMessage">
            <bpws:copy>
                <bpws:from><bpws:literal><tns:inventory xmlns:tns="http://manufacturing.org/xsd/inventory" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <tns:inventoryStatus></tns:inventoryStatus>
  <tns:inventoryStatusMessage></tns:inventoryStatusMessage>
</tns:inventory>
</bpws:literal></bpws:from>
                <bpws:to variable="inventoryStatus" part="inventoryPart"></bpws:to>
            </bpws:copy>
            
        </bpws:assign>
        <if name="checkAvailability">
            <condition>starts-with($purchaseOrder.purchaseOrder/po:orderDescription, 'OrderVal') = true()</condition>
        
            <assign name="Case1">
                <copy>
                    <from>true()</from>
                    <to>$inventoryStatus.inventoryPart/invsh:inventoryStatus</to>
                </copy>
                <copy>
                    <from>'available'</from>
                    <to>$inventoryStatus.inventoryPart/invsh:inventoryStatusMessage</to>
                </copy>
            </assign>
            
            <else>
                <assign name="Case2">
                    <copy>
                        <from>false()</from>
                        <to>$inventoryStatus.inventoryPart/invsh:inventoryStatus</to>
                    </copy>
                    <copy>
                        <from>'currently out of stock'</from>
                        <to>$inventoryStatus.inventoryPart/invsh:inventoryStatusMessage</to>
                    </copy>
                </assign>
            </else>
        </if>

        <reply name="inventoryService.Reply"
               partnerLink="inventorySevicePLink"
               portType="invs:inventoryPortType"
               operation="inventoryService"
               variable="inventoryStatus"/>
    </sequence>
</process>
