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XCA testing status [message #587266] Tue, 02 September 2008 22:40
Jesse Pangburn is currently offline Jesse PangburnFriend
Messages: 166
Registered: July 2009
Senior Member
Hi all,
Just to let the other bridge users know, I have done some preliminary
testing on the XCA support and have good news to share with you. The test
configuration looks like this:
my test client -> OHF Bridge -> my initiating gateway -> NIST receiving

Using the bridge, I submitted the stored query request to search for
documents by patient id and set the parameter useXCA to true. This
successfully pulled my initiating gateway URL from the rhioConfig.xml and
submitted the query. My initiating gateway (a very experimental version
at this point) called NIST's receiving gateway to search for documents for
a patient I had just created and submitted a couple documents for (using
regular XDS.b). It returned the response to the OHF bridge which I then

The response contained all the necessary data including the home community
id in addition to the regular XDS.b meta data. I took this home community
id and added it to a regular XDS.b RetrieveDocumentSet query and sent this
to the bridge to get the document. It's the same as normally taking a
query response and doing a document retrieve using the bridge, just
copying the home community id is the only thing I did differently.

The bridge saw the home community id and knew to do the XCA retreive
document set instead of just talking to the repository directly. So my
gateway received the retrieve document request, sent it on to the NIST
receiving gateway and then returned the response to the bridge.

I examined the response and it had my document base64 encoded. So the
query and retrieve in XCA works on the bridge! A note of caution though,
Matt pointed out earlier that the GetDocument request by uuid or unique id
will probably fail using XCA at this point though he plans to fix that
this fall. But for now, the query documents by patient id and document
retrieve via XCA is successful.

Nice job OHF team! :-)
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