Prob while creating array in BPEL

Question

Hi Folks,
I tried to create a string array in my BPEL to hold the values returned from my DB Adapter.
I created an element like the following in my "ArraySample.xsd" file.
<element name="myArr" type="xx"/>
          <complexType name="xx">
               <sequence>
                    <element name="arr" type="xsd:string" maxOccurs="unbounded"/>
               </sequence>
          </complexType>
</element>
Is there any other place I have to create any supporting stuffs like part name.
Plss advise me. IF possible could any one give the step details of how to create an array in BPEL process.
Thanks
VP

Answer 1

Hi PS,
Plss refer only the bold letters of code, I'm able to append values to the array.
arr[] = {1,2,3}
While retrieving, for index 1 (arr[1]=123) it returns the entire value (appended value)
if I go for arr[2], its throwing error expression is empty.
myprocess.bpel:
<variables>
<variable name="inputVariable"
messageType="client:BPELProcess1RequestMessage"/>
<variable name="outputVariable"
messageType="client:BPELProcess1ResponseMessage"/>
<variable name="list"
messageType="client:BPELProcess1ArrayResponseMessage"/>
<variable name="iterator" type="xsd:integer"/>
<variable name="count" type="xsd:integer"/>
<variable name="xpath" type="xsd:string"/>
<variable name="Variable_Array" type="xsd:string"/>
<variable name="temp" type="xsd:string"/>
</variables>
<sequence name="main">
<receive name="receiveInput" partnerLink="client"
portType="client:BPELProcess1" operation="process"
variable="inputVariable" createInstance="yes"/>
<assign name="Assign_1">
<copy>
<from expression="number(bpws:getVariableData('inputVariable','payload','/client:BPELProcess1ProcessRequest/client:input'))"/>
<to variable="iterator"/>
</copy>
<copy>
<from expression="0"/>
<to variable="count"/>
</copy>
</assign>
<while name="While_1"
condition="bpws:getVariableData('count') &lt; bpws:getVariableData('iterator')">
<assign name="Assign_2">
<copy>
<from expression="bpws:getVariableData('count') + 1"/>
<to variable="count"/>
</copy>
<copy>
<from expression="string(bpws:getVariableData('count'))"/>
<to variable="temp"/>
</copy>
<bpelx:append>
<bpelx:from variable="temp"/>
<bpelx:to variable="list" part="payload"
query="/client:BPELProcess1ArrayResponse/client:array"/>
</bpelx:append>
</assign> </while>
<assign name="Assign_4">
<copy>
<from expression="0"/>
<to variable="count"/>
</copy>
<copy>
<from expression="number(bpws:getVariableData('inputVariable','payload','/client:BPELProcess1ProcessRequest/client:input'))"/>
<to variable="iterator"/>
</copy>
</assign>
<while name="While_2"
condition="bpws:getVariableData('count') &lt; bpws:getVariableData('iterator')">
<assign name="Assign_5">
<copy>
<from expression="bpws:getVariableData('count') + 1"/>
<to variable="count"/>
</copy>
<copy>
<from expression="concat('/client:BPELProcess1ArrayResponse/client:array[',bpws:getVariableData('count'),']')"/>
<to variable="xpath"/>
</copy>
<copy>
<from expression="bpws:getVariableData('list','payload',bpws:getVariableData('xpath'))"/>
<to variable="outputVariable" part="payload"
query="/client:BPELProcess1ProcessResponse/client:result"/>
</copy> </assign>
</while>
<reply name="replyOutput" partnerLink="client"
portType="client:BPELProcess1" operation="process"
variable="outputVariable"/>
</sequence>
</process>
myprocess.xsd:
<schema attributeFormDefault="unqualified"
     elementFormDefault="qualified"
     targetNamespace="http://xmlns.oracle.com/BPELProcess1"
     xmlns="http://www.w3.org/2001/XMLSchema">
     <element name="BPELProcess1ProcessRequest">
          <complexType>
               <sequence>
                    <element name="input" type="string"/>
               </sequence>
          </complexType>
     </element>
     <element name="BPELProcess1ProcessResponse">
          <complexType>
               <sequence>
                    <element name="result" type="string"/>
               </sequence>
          </complexType>
     </element>
<element name="BPELProcess1ArrayResponse">
          <complexType>
               <sequence>
                    <element name="array" type="string" maxOccurs="unbounded"/>
               </sequence>
          </complexType>
     </element></schema>
myprocess.wsdl:
<definitions name="BPELProcess1"
targetNamespace="http://xmlns.oracle.com/BPELProcess1"
xmlns="http://schemas.xmlsoap.org/wsdl/"
xmlns:client="http://xmlns.oracle.com/BPELProcess1"
xmlns:plnk="http://schemas.xmlsoap.org/ws/2003/05/partner-link/">
     <types>
          <schema xmlns="http://www.w3.org/2001/XMLSchema">
               <import namespace="http://xmlns.oracle.com/BPELProcess1" schemaLocation="BPELProcess1.xsd" />
          </schema>
     </types>
     <message name="BPELProcess1RequestMessage">
          <part name="payload" element="client:BPELProcess1ProcessRequest"/>
     </message>
     <message name="BPELProcess1ResponseMessage">
          <part name="payload" element="client:BPELProcess1ProcessResponse"/>
     </message>
<message name="BPELProcess1ArrayResponseMessage">
          <part name="payload" element="client:BPELProcess1ArrayResponse"/>
     </message>
     <!-- portType implemented by the BPELProcess1 BPEL process -->
     <portType name="BPELProcess1">
          <operation name="process">
               <input message="client:BPELProcess1RequestMessage" />
               <output message="client:BPELProcess1ResponseMessage"/>
          </operation>
     </portType>
          <plnk:partnerLinkType name="BPELProcess1">
          <plnk:role name="BPELProcess1Provider">
               <plnk:portType name="client:BPELProcess1"/>
          </plnk:role>
     </plnk:partnerLinkType>
</definitions>
Edited by: user555738 on Oct 23, 2008 2:29 PM
Edited by: user555738 on Oct 23, 2008 2:31 PM