BPEL 2.0: assessment of the values of node in the forEach loop

[With the help of BPEL 2.0, SOA Suite 11 (11.1.1.6.0) Linux Virtual Box on Windows 7]

It seems like it should be pretty simple, but for some reason that is eluding me. I run a database query to return a list of nodes in the network in a system. then I execute a forEach income statement using a number of XML nodes as a limit of loop. It all works very well.

That is the problem. now, I'm just (?) try to assign the value of the current node UID in the loop to a local variable, using concat and the loop index. Thus, the value should be something like "401" or "523". However, what I actually get back is concatenated XPath itself, as well as the iteration of the loop, my variable is as follows:

[< currentNetworkNodeID xsi: type = "def:string" > $networkNodesOutputVariable.ExecutionNetworkNodeCollection/ns6:ExecutionNetworkNode/ns6:executionNetworkNodeUid[1] < / currentNetworkNodeID >
...
[< currentNetworkNodeID xsi: type = "def:string" > $networkNodesOutputVariable.ExecutionNetworkNodeCollection/ns6:ExecutionNetworkNode/ns6:executionNetworkNodeUid[2] < / currentNetworkNodeID >
etc...

I tried to reach "/ text()" to the end, using ora:getNodeValue (...), etc., but nothing I tried to will give me my value of the current node. If I just use "$networkNodesOutputVariable.ExecutionNetworkNodeCollection/ns6:ExecutionNetworkNode/ns6:executionNetworkNodeUid", I get an error of multiple selection, as expected, because there is always more than one executionNetworkNodeUid.

How I can truly assess these XPath expressions to assign the node real value to my variable...? I can do this in a simple entitled, as I'm doing, or what I have to use a transformation...?

Here is the code:

< parallel forEach = "" counterName = "nodeCounter."
name = "forEachNetworkNode" >
< startCounterValue > 1 < / startCounterValue >
< finalCounterValue > count($networkNodesOutputVariable.ExecutionNetworkNodeCollection/ns6:ExecutionNetworkNode) < / finalCounterValue >
< name of scope = "Scope1" >
< variables >
< variable name = "currentNetworkNodeID" type = "xsd: String" / >
< / variables >
< name of sequence = sequence of '1' >
< assign the name = "assignCurrentNodeID" >
< copy >
([< to > concat('$networkNodesOutputVariable.ExecutionNetworkNodeCollection/ns6:ExecutionNetworkNode/ns6:executionNetworkNodeUid[',$nodeCounter,'] ') < / from >
< to > $currentNetworkNodeID < /pour >
< / copy >
< / assign >
< / sequence >
< / scope >
< / forEach >

Edited by: rhoward on April 3, 2013 15:08

Should not just $networkNodesOutputVariable.ExecutionNetworkNodeCollection/ns6:ExecutionNetworkNode/ns6:executionNetworkNodeUid[$nodeCounter] without using concat?

Hruthayah

Tags: Fusion Middleware

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