HI, It did work with both round method and initialing the array with elements. Here is the working code. An interesting observation was, it only worked after we started using the XPath version 2.0 as the query language for assignments.
<bpel:assign validate="no" name="Assign"> <bpel:copy> <bpel:from> <bpel:literal xml:space="preserve"><tns:ArrayBPELProcessResponse xmlns:tns="http://www.arraybpel.process"; xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance";> </tns:ArrayBPELProcessResponse></bpel:literal> </bpel:from> <bpel:to part="payload" variable="output"></bpel:to> </bpel:copy> <bpel:copy> <bpel:from> <bpel:literal xml:space="preserve"><tns:ArrayBPELProcessResponse xmlns:tns="http://www.arraybpel.process"; xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance";> <tns:result>value</tns:result> </tns:ArrayBPELProcessResponse></bpel:literal> </bpel:from> <bpel:to part="payload" variable="tempVar"></bpel:to> </bpel:copy> </bpel:assign> <bpel:forEach parallel="no" counterName="Counter" name="ForEach"> <bpel:startCounterValue> <![CDATA[1]]> </bpel:startCounterValue> <bpel:finalCounterValue><![CDATA[count($input.payload/tns:input)]]></bpel:finalCounterValue> <bpel:completionCondition></bpel:completionCondition> <bpel:scope> <bpel:sequence> <!-- <assign> <copy> <from>ode:insert-as-first-into($output, $tempVar)</from> <to variable="output"/> </copy> </assign> --> <bpel:assign validate="no" name="Assign1"> <bpel:copy> <bpel:from><![CDATA[ode:insert-as-last-into($output.payload, $tempVar.payload/tns:result)]]> </bpel:from> <bpel:to part="payload" variable="output" /> </bpel:copy> <bpel:copy> <bpel:from part="payload" variable="input"> <bpel:query queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath2.0"> <![CDATA[tns:input[round($Counter)] ]]> </bpel:query> </bpel:from> <bpel:to part="payload" variable="output"> <bpel:query queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath2.0"> <![CDATA[tns:result[round($Counter)] ]]> </bpel:query> </bpel:to> </bpel:copy> </bpel:assign> </bpel:sequence> </bpel:scope> </bpel:forEach> Thanks, - Chethiya On Tue, Feb 28, 2012 at 12:41 PM, Denis Weerasiri <[email protected]> wrote: > > > On Tue, Feb 28, 2012 at 12:36 PM, Chethiya Abeysinghe > <[email protected]>wrote: > >> Hi Waruna, >> >> I tried round($Counter) with no luck. When it's used with the round, it >> logs a selection error even for a single element in the array which was not >> the case in above code. It works for a single element. >> >> Isn't it the problem is not initializing the result array with the number >> of elements in the input array? >> > +1, this will be useful to insert new elements > http://ode.apache.org/xpath-extensions.html > >> >> Thanks, >> - Chethiya >> >> >> On Tue, Feb 28, 2012 at 12:22 PM, Waruna Ranasinghe <[email protected]>wrote: >> >>> On Tue, Feb 28, 2012 at 12:01 PM, Chethiya Abeysinghe <[email protected]> >>> wrote: >>> > Hi, >>> > >>> > I'm trying to assign an array to another array in a BPEL process. >>> Following >>> > is the bpel code for that: >>> > >>> > <bpel:forEach parallel="no" counterName="Counter" name="ForEach"> >>> > >>> <bpel:startCounterValue><![CDATA[1]]></bpel:startCounterValue> >>> > >>> <bpel:finalCounterValue><![CDATA[count($input.payload/tns:arr) >>> > ]]></bpel:finalCounterValue> >>> > <bpel:completionCondition></bpel:completionCondition> >>> > <bpel:scope> >>> > <bpel:assign validate="no" name="Assign"> >>> > >>> > <bpel:copy> >>> > <bpel:from> >>> > <bpel:literal >>> > xml:space="preserve"><tns:ArrayBPELProcessResponse >>> > xmlns:tns="http://www.arraybpel.process"; >>> > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";> >>> > <tns:result></tns:result> >>> > </tns:ArrayBPELProcessResponse></bpel:literal> >>> > </bpel:from> >>> > <bpel:to variable="output" >>> part="payload"></bpel:to> >>> > </bpel:copy> >>> > <bpel:copy> >>> > <bpel:from part="payload" variable="input"> >>> > <bpel:query >>> > >>> queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><![CDATA[tns:arr[$Counter]]]></bpel:query> >>> IIRC there is an issue when evaluating the $Counter variable. Can you >>> try using tns:arr[round($Counter)] >>> >>> Thanks, >>> Waruna >>> > </bpel:from> >>> > <bpel:to part="payload" variable="output"> >>> > <bpel:query >>> > >>> queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><![CDATA[tns:result[$Counter]]]></bpel:query> >>> > </bpel:to> >>> > </bpel:copy> >>> > </bpel:assign> >>> > </bpel:scope> >>> > </bpel:forEach> >>> > >>> > >>> > When I try to send multiple elements in the array it gives an error >>> though >>> > it works for an array with a single element. >>> > >>> > SOAP message is: >>> > >>> > <body> >>> > <p:ArrayBPELProcessRequest xmlns:p="http://www.arraybpel.process";> >>> > <!--0 or more occurrences--> >>> > <arr xmlns="http://www.arraybpel.process";>value1</arr> >>> > <arr xmlns="http://www.arraybpel.process";>value2</arr> >>> > </p:ArrayBPELProcessRequest> >>> > </body> >>> > >>> > And the error log is: >>> > >>> > [2012-02-28 11:45:12,148] INFO - ASSIGN - Assignment Fault: >>> > {http://docs.oasis- >>> > >>> open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=73,faultExplanati<http://open.org/wsbpel/2.0/process/executable%7DselectionFailure,lineNo=73,faultExplanati> >>> > on={ >>> http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure >>> : >>> > M >>> > ultiple results for expression: 'tns:arr[$Counter]' against '<?xml >>> > version="1.0" >>> > encoding="UTF-8"?> >>> > <ArrayBPELProcessRequest xmlns="http://www.arraybpel.process"; >>> > xmlns:p="http://ww >>> > w.arraybpel.process" xmlns:s=" >>> http://schemas.xmlsoap.org/soap/envelope/"; >>> > xmlns:w >>> > sa="http://www.w3.org/2005/08/addressing";><arr >>> > xmlns="http://www.arraybpel.proce >>> > ss">value1</arr><arr >>> > xmlns="http://www.arraybpel.process";>value2</arr></ArrayBPE >>> > LProcessRequest>' >>> > [2012-02-28 11:45:12,168] WARN - BpelProcess - Instance 270 of >>> > {http://www.arra >>> > ybpel.process}ArrayBPELProcess-9 has completed with fault: FaultData: >>> > [faultName >>> > ={ >>> http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure >>> , >>> > fau >>> > lType=null >>> > ({http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionF >>> > ailure: Multiple results for expression: 'tns:arr[$Counter]' against >>> '<?xml >>> > vers >>> > ion="1.0" encoding="UTF-8"?> >>> > <ArrayBPELProcessRequest xmlns="http://www.arraybpel.process"; >>> > xmlns:p="http://ww >>> > w.arraybpel.process" xmlns:s=" >>> http://schemas.xmlsoap.org/soap/envelope/"; >>> > xmlns:w >>> > sa="http://www.w3.org/2005/08/addressing";><arr >>> > xmlns="http://www.arraybpel.proce >>> > ss">value1</arr><arr >>> > xmlns="http://www.arraybpel.process";>value2</arr></ArrayBPE >>> > LProcessRequest>')] @73 >>> > >>> > >>> > Could someone please comment what's going wrong in this? >>> > >>> > Thanks, >>> > - Chethiya >>> > >>> > _______________________________________________ >>> > Carbon-dev mailing list >>> > [email protected] >>> > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>> > >>> >>> >>> >>> -- >>> ------------------------------------------------------------------------- >>> Waruna Ranasinghe >>> Senior Software Engineer, WSO2 >>> >>> Mobile: +94 724 318285 >>> BLOG: http://warunapw.blogspot.com >>> >>> www.wso2.com - "Lean . Enterprise . Middleware" >>> _______________________________________________ >>> Carbon-dev mailing list >>> [email protected] >>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>> >> >> >> >> -- >> Chethiya Abeysinghe >> Software Engineer; WSO2, Inc.; http://wso2.com/ >> email: [email protected] phone: +94 777334874 >> blog: chethiya3000.blogspot.com >> >> >> >> _______________________________________________ >> Carbon-dev mailing list >> [email protected] >> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >> >> > > > -- > Thanks, > Denis > ---------------------------------------------------------- > *Denis Weerasiri* > Software Engineer > Integration Technologies Team, WSO2 Inc.; http://wso2.com, > *email: denis <http://goog_277208233/>** [AT] wso2.com <http://wso2.com/>* > *phone: +94117639629 > * > *site: > **https://sites.google.com/site/ddweerasiri/*<https://sites.google.com/site/ddweerasiri/> > *blog: **http://ddweerasiri.blogspot.com*<http://ddweerasiri.blogspot.com/> > * > twitter: **http://twitter.com/ddweerasiri*<http://twitter.com/ddweerasiri> > * > linked-in: > **http://lk.linkedin.com/in/ddweerasiri*<http://lk.linkedin.com/in/ddweerasiri> > > > _______________________________________________ > Carbon-dev mailing list > [email protected] > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev > > -- Chethiya Abeysinghe Software Engineer; WSO2, Inc.; http://wso2.com/ email: [email protected] phone: +94 777334874 blog: chethiya3000.blogspot.com
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