Hi Henrik, Can you please provide more detailed example jena3 & rdf4j sample code demonstrating how you are seeking to use both such that we can obtain a better understanding of the apparent concurrent query execution problem ?
Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlink-software/ Twitter -- http://twitter.com/OpenLink Google+ -- http://plus.google.com/100570109519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers > On 22 Nov 2017, at 08:05, Henrik Schmidt <h...@informatik.uni-kiel.de> wrote: > > Hi Hugh, > > the problem is that the jena code is blocking while executing whereas the > rdf4j code is non blocking and does allow multiple simultaneous queries. > > So I'm looking for a non blocking jena solution. Is there any ? > > Best, > > Jenrik > > Am 22.11.2017 um 00:50 schrieb Hugh Williams: >> Hi Henrik, >> >> The jena code can be simplified to the following to give an equivalent >> execution to rdf4j: >> >> String query = "select ....."; >> VirtuosoQueryExecution vqe = VirtuosoQueryExecutionFactory.create(query, >> virtGraph); >> >> Best Regards >> Hugh Williams >> Professional Services >> OpenLink Software, Inc. // http://www.openlinksw.com/ >> Weblog -- http://www.openlinksw.com/blogs/ >> LinkedIn -- http://www.linkedin.com/company/openlink-software/ >> Twitter -- http://twitter.com/OpenLink >> Google+ -- http://plus.google.com/100570109519069333827/ >> Facebook -- http://www.facebook.com/OpenLinkSoftware >> Universal Data Access, Integration, and Management Technology Providers >> >> >> >>> On 21 Nov 2017, at 14:56, Henrik Schmidt <h...@informatik.uni-kiel.de> >>> wrote: >>> >>> Hi, >>> >>> what is a comaparable jena provider query to this rdf4j provider query ? >>> >>> TupleQuery tupleQuery = >>> connection.prepareTupleQuery(QueryLanguage.SPARQL, query); >>> >>> I want to use the jena provider instead and I'm using this threaded so >>> it must be connection based. >>> >>> My current jena implementation is using something like this : >>> >>> Query sparql = QueryFactory.create(query); >>> VirtuosoQueryExecution vqe = >>> VirtuosoQueryExecutionFactory.create(sparql, virtGraph); >>> >>> This will block the port (1111) until completed whereas the rdf4j code >>> can handle multiple parallel queries. >>> >>> Best, >>> >>> Henrik >>> >>> >>> ------------------------------------------------------------------------------ >>> Check out the vibrant tech community on one of the world's most >>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> _______________________________________________ >>> Virtuoso-users mailing list >>> Virtuoso-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users > > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Virtuoso-users mailing list Virtuoso-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/virtuoso-users
