package inf.unibz.ontop.sesame.tests.general;
import java.util.List;
import junit.framework.TestCase;

import org.openrdf.model.Value;
import org.openrdf.query.BindingSet;
import org.openrdf.query.QueryLanguage;
import org.openrdf.query.TupleQuery;
import org.openrdf.query.TupleQueryResult;
import org.openrdf.repository.Repository;
import org.openrdf.repository.RepositoryConnection;

import sesameWrapper.SesameVirtualRepo;


public class SesameVirtualTest extends TestCase {
	
	public void test() throws Exception
	{
		//create a sesame repository
		RepositoryConnection con = null;
		Repository repo = null;
		
		try {
			
			String owlfile = "C:/Project/Test Cases/Book.owl";
			String obdafile = "C:/Project/Test Cases/Book.obda";
			
			//create a Quest Sesame Virtual Repository giving name, owl and obda-file, 
			// existential reasoning [true|false], rewriting technique [TreeWitness|Default]
			repo = new SesameVirtualRepo("my_name", owlfile, obdafile, false,
					"TreeWitness");

			//Repositories always must be initialized first
			repo.initialize();

			//Get the repository connection
			con = repo.getConnection();

			// query the repository using the connection
			String queryString = "PREFIX : <http://www.semanticweb.org/ontologies/Book.owl#>\n"
					+ "SELECT ?x ?y WHERE {?x a :Book; :title ?y}";
			
			TupleQuery tupleQuery = con.prepareTupleQuery(QueryLanguage.SPARQL,	queryString);
			TupleQueryResult result = tupleQuery.evaluate();

			//get the binding names and print out
			List<String> bindingNames = result.getBindingNames();
			System.out.println(bindingNames);
			
			while (result.hasNext()) {
				//get next bindingSet from result
				BindingSet bindingSet = result.next();
				
				//for each binding get value and printout
				for (String binding : bindingNames)
				{
					Value value = bindingSet.getValue(binding);
					System.out.println(value.toString());
				}
			}

			//Close result set to release resources
			result.close();

			// Finally close connection to release resources
			System.out.println("Closing..,");
			con.close();

		} catch (Exception e1) {
			e1.printStackTrace();
		}
	
	System.out.println("Done.");	
	
	}

}