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>
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