Ok thx a lot :) You just have saved me a lot of time lol
2014/1/29 Martynas Jusevičius <marty...@graphity.org> > Frederic, are you sure this hasn't been done before? I've used > JenaBean [1], but I know there are at least several other similar > projects. > > Martynas > > [1] https://code.google.com/p/jenabean/ > > On Wed, Jan 29, 2014 at 2:58 PM, Frederic Toublanc > <frederic.toubl...@telemis.com> wrote: > > Ok thx a lot :) > > > > I will implement a way to map a java object model to tripples :) > > > > > > 2014/1/29 Jean-Marc Vanel <jeanmarc.va...@gmail.com> > > > >> For your convenience, I pasted together the first lines of both API > >> mentioned: > >> > >> // Make a TDB-backed dataset > >> String directory = "MyDatabases/Dataset1" ; > >> Dataset dataset = TDBFactory.createDataset(directory) ; > >> dataset.begin(ReadWrite.READ) ; > >> // Get model inside the transaction > >> Model model = dataset.getDefaultModel(); > >> //// paste from basic RDF API > >> Model model2 = ModelFactory.createDefaultModel(); > >> > >> String inputFileName = "f"; > >> // use the FileManager to find the input file > >> InputStream in = FileManager.get().open( inputFileName ); > >> if (in == null) { > >> throw new IllegalArgumentException( > >> "File: " + inputFileName + " not found"); > >> } > >> > >> // read the RDF/XML file > >> model2.read(in, null); > >> * model.add(model2);* > >> //////// > >> dataset.end(); > >> > >> > >> 2014-01-29 Jean-Marc Vanel <jeanmarc.va...@gmail.com> > >> > >> > Cher Frédéric, > >> > > >> > You just have to use the basic RDF API : > >> > http://jena.apache.org/tutorials/rdf_api.html > >> > > >> > with the TDB API : > >> > http://jena.apache.org/documentation/tdb/java_api.html > >> > > >> > Note that "update nodes" is not the right wording for what happens. > >> > An RDF model is bascally a collection of triples. > >> > So adding > >> > <a> <p> <o2> . > >> > > >> > to a model that contains already: > >> > <a> <p> <o1> . > >> > > >> > will not "update" <a> ; > >> > there is just one more triples having <a> as subject. > >> > > >> > > >> > > >> > 2014-01-29 Frederic Toublanc <frederic.toubl...@telemis.com> > >> > > >> > Hello there, > >> >> > >> >> Here is my question. > >> >> > >> >> I have an existing TDB containing triples. > >> >> I have a RDF file and i want to update the existing TDB with the data > >> >> contained in the RDF file. > >> >> If nodes already exist they should be updated and new data added. > >> >> > >> >> Is it possible to do it with the Jena API ? > >> >> > >> > > >> > > >> > > >> > -- > >> > Jean-Marc Vanel > >> > Déductions SARL - Consulting, services, training, > >> > Rule-based programming, Semantic Web > >> > http://deductions-software.com/ > >> > +33 (0)6 89 16 29 52 > >> > Twitter: @jmvanel , @jmvanel_fr ; chat: irc:// > irc.freenode.net#eulergui > >> > > >> > >> > >> > >> -- > >> Jean-Marc Vanel > >> Déductions SARL - Consulting, services, training, > >> Rule-based programming, Semantic Web > >> http://deductions-software.com/ > >> +33 (0)6 89 16 29 52 > >> Twitter: @jmvanel , @jmvanel_fr ; chat: irc://irc.freenode.net#eulergui > >> >
