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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Losing Attributes on tree assignment

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migstr
PostPosted: Fri Feb 21, 2003 10:38 am    Post subject: Losing Attributes on tree assignment Reply with quote

Apprentice

Joined: 05 Jun 2002
Posts: 34
Location: New York
Hi,
I am building an RFH2 with a usr folder by assigning values from an incoming XML message. The inbound XML has <key> elements with attributes like this:
<TESTDATA>
<RUNNUMBER>1000010</RUNNUMBER>
<RUNTYPE>RUN</RUNTYPE>
<INTERFACENAME>ESIINVOICE</INTERFACENAME>
<SOURCECAT>NORMAL</SOURCECAT>
<REGID>1</REGID>
<SEQUNCENUM>1</SEQUNCENUM>
<APPLICATIONDATA>
<KEYS>
<key name="InvoiceNumber">503555</key>
<key name="InvoiceTotal">150000.00</key>
</KEYS>
</APPLICATIONDATA>
<SAMPLE>TEST ONE</SAMPLE>
</TESTDATA>

When I assign the <APPLICATIONDATA> all the keys get moved to the OutputRoot but I lose the attributes. Is this the way it is supposed to work?
Here is my output in <usr> folder:
<ADAPTER type="Adapter"><INTERFACENAME>ESIINVOICE</INTERFACENAME><RUNNUMBER>1000010</RUNNUMBER><RUNTYPE>RUN</RUNTYPE><SOURCECAT>NORMAL</SOURCECAT><REGID>1</REGID>
<APPLICATIONDATA><KEYS>
<key>503555</key><key>150000.00</key></KEYS>
</APPLICATIONDATA></ADAPTER>

notice the <key> elements no longer have attributes.

Here is my ESQL:
SET OutputRoot.MQRFH2.usr.ADAPTER.(XML.attr)type='Adapter';
SET OutputRoot.MQRFH2.usr.ADAPTER.INTERFACENAME = InputRoot.XML.TESTDATA.INTERFACENAME;
SET OutputRoot.MQRFH2.usr.ADAPTER.RUNNUMBER = InputRoot.XML.TESTDATA.RUNNUMBER;
SET OutputRoot.MQRFH2.usr.ADAPTER.RUNTYPE = InputRoot.XML.TESTDATA.RUNTYPE;
SET OutputRoot.MQRFH2.usr.ADAPTER.SOURCECAT= InputRoot.XML.TESTDATA.SOURCECAT;
SET OutputRoot.MQRFH2.usr.ADAPTER.RUNNUMBER = InputRoot.XML.TESTDATA.RUNNUMBER;
SET OutputRoot.MQRFH2.usr.ADAPTER.BATCHSIZE = InputRoot.XML.TESTDATA.BATCHSIZE;
SET OutputRoot.MQRFH2.usr.ADAPTER.REGID = InputRoot.XML.TESTDATA.REGID;
SET OutputRoot.MQRFH2.usr.ADAPTER.SEQUENCENUM = InputRoot.XML.TESTDATA.SEQUENCENUM;
SET OutputRoot.MQRFH2.usr.ADAPTER.APPLICATIONDATA = InputRoot.XML.TESTDATA.APPLICATIONDATA;
SET OutputRoot.XML.SAMPLE = InputRoot.XML.TESTDATA.SAMPLE;

Does this mean I have to assign each element/attribute individually?
Thanks!
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DanielG
PostPosted: Sat Mar 29, 2003 3:01 am    Post subject: Reply with quote

Novice

Joined: 29 Mar 2003
Posts: 13
hi,
as far as i know, the formal RFH2 spec prohibits the use of XML attributes in the usr folder. only flat structures are allowed.
depending on what you aim with the RFH2 data, consider bitstreaming the data before putting it into the RFH2.
coding would be something like:
SET OutputRoot.MQRFH2.usr.APPLICATIONDATA = ASBITSTREAM(InputRoot.XML.TESTDATA.APPLICATIONDATA);

of course, before accessing the usr data in your target application, you will have to perform an explicit parse on the bitstream. in ESQL this could be achieved by using the CREATE FIELD function, e.g.
CREATE LASTCHILD OF OutputRoot.XML.TESTDATA DOMAIN 'XML' PARSE (InputRoot.MQRFH2.usr.APPLICATIONDATA);
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