Bonjour,
Afin de tester le programme java suivantJ'ai fait appel à la librairie de jena/lib en utilisant "java built path" et en intégrant les jars de Jena mais j'ai une erreur qui me dit :
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73 import com.hp.hpl.jena.query.*; import com.hp.hpl.jena.query.ResultSet; import com.hp.hpl.jena.rdf.model.*; import com.hp.hpl.jena.rdf.model.impl.LiteralImpl; import com.hp.hpl.jena.sparql.util.IndentedWriter; import com.hp.hpl.jena.vocabulary.*; import com.hp.hpl.jena.util.FileManager; public class premier { private static final String rdf = RDF.getURI(); private static final String up = "http://purl.uniprot.org/core/"; public static final String go_file = "O57539.rdf"; public static final String NL = System.getProperty("line.separator") ; public static void main(String[] args) { Model m = ModelFactory.createDefaultModel(); // use the file manager to load RDF descriptions into the model FileManager.get().readModel(m, go_file); // nombre de triplets du graphe genere System.out.println("nombre de triplets dans le modele O57539 : "+m.size()); //Exploiter le graphe RDF // m.write(System.out); String prolog_up = "PREFIX uniprot: <"+up+">" ; // String prolog_rdf = "PREFIX rdf: <"+RDF.getURI()+">" ; // Query string. // String queryString = prolog_up + NL + prolog_rdf + NL + String queryString = prolog_up + NL + "SELECT ?sujet ?objet " + "WHERE {?sujet uniprot:mnemonic ?objet }" ; Query query = QueryFactory.create(queryString) ; // Print with line numbers query.serialize(new IndentedWriter(System.out,true)) ; System.out.println() ; // Create a single execution of this query, apply to a model // which is wrapped up as a Dataset QueryExecution qexec = QueryExecutionFactory.create(query, m) ; // Or QueryExecutionFactory.create(queryString, model) ; System.out.println("Essai sur les ressources qui possedent un mnemonic : ") ; try { // Assumption: it's a SELECT query. ResultSet rs = qexec.execSelect() ; // The order of results is undefined. for ( ; rs.hasNext() ; ) { QuerySolution rb = rs.nextSolution() ; // Get title - variable names do not include the '?' (or '$') System.out.print("Sujet "+rb.getResource("sujet").getLocalName()); Literal rd = (Literal) rb.getLiteral("objet"); System.out.println("Sujet "+rd.getLexicalForm()); } } finally { // QueryExecution objects should be closed to free any system resources qexec.close() ; } } }
Si vous avez une solution, je vous serai reconnaissante."Description Resource Path Location Type
The method serialize(Syntax) in the type Query is not applicable for the arguments (IndentedWriter) premier.java /JENA_TEST/src line 42 Java Problem"
Merci
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