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| ==CSD Links==
| | {{#externalredirect: https://wiki.ohie.org/display/SUB/CSD+Prototyping+Interface}} |
| *CSD
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| **[ftp://ftp.ihe.net/IT_Infrastructure/iheitiyr11-2013-2014/Technical_Cmte/WorkItems/CareServicesDiscovery/ IHE FTP] site
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| *XQuery Engines
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| **In browser javascript engine: [http://xqib.org/ xqib]
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| **[http://basex.org/ BaseX] XML Database
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| **[http://exist-db.org/exist/apps/homepage/index.html exist-db]
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| **[http://www.zorba.io/ Zorba]
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| ***Zorba and [https://groups.google.com/forum/?fromgroups#!topic/zorba-users/SeJNGRJA8Og large data sets]
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| ***IBM's [http://www.ibm.com/developerworks/library/x-zorba/ Zorba and PHP] article
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| ***Zorba [https://launchpad.net/zorba source code]
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| ***Zorba and PHP [http://dl.dropboxusercontent.com/u/1487285/php/php.html introductory slides]
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| **[http://luxdb.org LUX]
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| *XQuery Engine Comparison
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| **Evaluation Criteria: Programming Language, Source Code Last Updated, Source Documentation, XQuery verison, XQuery Update Facility support, Data storage, Index, Client libraries (PHP, Python, Java,etc.), Mailing List/User Forum last activity
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| ===Potential Issues for Public Comment===
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| *how to map hcIdentifier used in HPD to II ?
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| *no date of birth in persons
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| *do we need Org/Facility Contact to be required?
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| *orgType, orgTypeDescription, orgPrimaryName are all required but perhaps should not be. similarly for facility.
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| *minoccurs on orglanguage is not set, but is set for facilityLanguage
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| *no place to add other identifiers for facility
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| *should creation date be required?
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| *facility can be in multiple facilityorgid? how to represent one facility in multiple hierarchies that are not necc. mapped to services
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| *is a lastmodified time/create time for CSD doc needed?
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| *CareServicesDiscoveryQuery/XQueryFunction has no ability to set parameters (e.g. nid). Options would include:
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| ** for un-ordered named variables <pre><XQueryFunction name="loopup_by_nid.xq"><value name="nid">123</value></XqueryFUnciton></pre>
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| ** [http://en.wikipedia.org/wiki/XML-RPC XML-RPC] for ordered unnamed variables
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| *CareServicesDiscoveryQuery/XQueryResult/queryResult may not be valid XML.. Should it always be a CDATA?
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| ==Zorba Implementation Notes==
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| installed subversion according to https://help.ubuntu.com/community/Subversion
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| *subversion installed under /home/svn/CSD with autoversioning for PUT files
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| *webdav under http://csd.ihris.org/svn/CSD
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| **user: csd pass: ASK CARL FOR IT. It is also in /home/ubuntu/CSD/local/config.php
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| *to check out: svn co http://csd.ihris.org/svn/CSD CSD --username csd
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| **currently checked out to svn sub-directory of dropbox folder
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| *checked out the repo under /home/ubuntu:
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| **svn co http://csd.ihris.org/svn/CSD /home/ubuntu/CSD
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| *in svn repository, the www directory should be linked to under /var/www:
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| **sudo ln -s /home/ubuntu/CSD/www /var/www/CSD
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| *webdav php client is installed with "sudo apt-get install php-sabredav"
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| *zorba does not install exactly according to the instructions found online. In particular make sure you:
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| **do "sudo apt-get install swig" before running cmake
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| **do "-D CMAKE_INSTALL_PREFIX=/usr/local .. " in the build directory
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| ===CareServicesConsumerQuery===
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| Submit a POST request to zorba_manager.php with your document. Some sample documents are found in [http://csd.ihris.org/svn/CSD/test_csdq test_csdq]
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| You can test this with, for example:<pre> curl -X POST -d @/home/ubuntu/CSD/test_csdq/stats_named.xq.xml http://csd.ihris.org/CSD/zorba_manager.php</pre>
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| ===Searches===
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| Named/Canned Xquery searches are made available under queries/search via the web dav server. If there is a file queries/search/blah/blah.xq, you can access it as http://csd.ihris.org/CSD/zorba_manager.php/search/blah/blah.xq. The dynamic context of the search is the published CSD document at time of the zorba server initialization. For the time being, and GET variables are passed on to the query. This is wide open at the moment and we need to lock it down.
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| *Basic Stats defined in [http://csd.ihris.org/svn/CSD/queries/search/stats.xq queries/search/stats.xq] [http://csd.ihris.org/CSD/zorba_manager.php/search/stats.xq Example]
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| *Search By NID [http://csd.ihris.org/svn/CSD/queries/search/search_by_nid.xq queries/search/search_by_nid.xq] [http://csd.ihris.org/CSD/zorba_manager.php/search/search_by_nid.xq?nid=1197580084757020 Example]
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| *Get all provider records with NIDs [http://csd.ihris.org/svn/CSD/queries/search/search_by_nid.xq queries/search/all_nids.xq] [http://csd.ihris.org/CSD/zorba_manager.php/search/all_nids.xq Example]
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| ===Publishing===
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| Named/Canned Xquery use to publish CSD documents are made available under queries/publish via the web dav server. If there is a file queries/publish/blah/blah.xq, you can access it as http://csd.ihris.org/CSD/zorba_manager.php/publish/blah/blah.xq. Each document under docs, with the exclusion of CSD.xml, is available to the xquery. If the resulting document passes validation via the .xsd it is published to the web dav server.
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| Currently there is one publishing script [http://csd.ihris.org/svn/CSD/queries/publish/simple_merge.xq queries/publish/simple_merge.xq].
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| Currently, there is no way to tell the zorba server to reload/refresh the CSD source document after publication. You need to login to the server and restart the "zorba_server/init.php" process manually.
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| ===Updating===
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| Named/Canned Xquery use to publish CSD documents are made available under queries/publish via the web dav server. If there is a file queries/publish/blah/blah.xq, you can access it as http://csd.ihris.org/CSD/zorba_manager.php/update/blah/blah.xq. Each document under docs is available to the xquery and "CSD.xml" is set to be the default context. If the resulting document passes validation via the .xsd it is published to the web dav server.
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| There are no update scripts as of yet. The intention is that scripts here are used to update the currently published CSD.xml, for example with an update of facilities. How this update occurs is defined by the update script. An example workflow would be:
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| *XML data exported from FRED-API compliant FR with updates since a given time.
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| *This data is posted to webdav server under the docs/ directory as, for example, "fr_updates.xml"
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| *There is an xquery script, for example "fr_update.xq", under "queries/update/" that would:
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| **scan fr_updates.xml for any new facilities and add them to the CSD.xml, which is the default context
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| **scan fr_updates.xml for any existing facilities and either delete/replace the entire <facility> node, or overwrite any values contained within it as necessary.
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| ===Profiling===
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| Currently there are no indices are the zorba server's data store. It can process about 3 NID look-ups per second. Loading the CSD.xml document in zorba's memory store required 2.5mb.
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| <pre>
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| httperf --server localhost --uri /CSD/zorba_manager.php/search/search_by_nid.xq?nid=1197580084757020 --rate 100 --num-conn 2000 --num-call 1 --timeout 1
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| httperf --timeout=1 --client=0/1 --server=localhost --port=80 --uri=/CSD/zorba_manager.php/search/search_by_nid.xq?nid=1197580084757020 --rate=100 --send-buffer=4096 --recv-buffer=16384 --num-conns=2000 --num-calls=1
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| httperf: warning: open file limit > FD_SETSIZE; limiting max. # of open files to FD_SETSIZE
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| Maximum connect burst length: 1
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| Total: connections 2000 requests 65 replies 0 test-duration 21.417 s
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| Connection rate: 93.4 conn/s (10.7 ms/conn, <=112 concurrent connections)
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| Connection time [ms]: min 0.0 avg 0.0 max 0.0 median 0.0 stddev 0.0
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| Connection time [ms]: connect 690.4
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| Connection length [replies/conn]: 0.000
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| Request rate: 3.0 req/s (329.5 ms/req)
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| Request size [B]: 128.0
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| Reply rate [replies/s]: min 0.0 avg 0.0 max 0.0 stddev 0.0 (4 samples)
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| Reply time [ms]: response 0.0 transfer 0.0
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| Reply size [B]: header 0.0 content 0.0 footer 0.0 (total 0.0)
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| Reply status: 1xx=0 2xx=0 3xx=0 4xx=0 5xx=0
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| CPU time [s]: user 1.53 system 19.82 (user 7.1% system 92.5% total 99.7%)
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| Net I/O: 0.4 KB/s (0.0*10^6 bps)
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| Errors: total 2000 client-timo 2000 socket-timo 0 connrefused 0 connreset 0
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| Errors: fd-unavail 0 addrunavail 0 ftab-full 0 other 0
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| </pre>
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