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Source Code of VirtuosoSPARQLExample7

/*
*  $Id$
*
*  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
*  project.
*
*  Copyright (C) 1998-2014 OpenLink Software
*
*  This project is free software; you can redistribute it and/or modify it
*  under the terms of the GNU General Public License as published by the
*  Free Software Foundation; only version 2 of the License, dated June 1991.
*
*  This program is distributed in the hope that it will be useful, but
*  WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
*  General Public License for more details.
*
*  You should have received a copy of the GNU General Public License along
*  with this program; if not, write to the Free Software Foundation, Inc.,
*  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/

//package virtuoso.jena.driver;

import java.util.*;

import com.hp.hpl.jena.query.*;
import com.hp.hpl.jena.util.iterator.ExtendedIterator;
import com.hp.hpl.jena.graph.Node;
import com.hp.hpl.jena.graph.Triple;

import virtuoso.jena.driver.*;

public class VirtuosoSPARQLExample7
{

    public static void main(String[] args)
    {
  String url;
  if(args.length == 0)
      url = "jdbc:virtuoso://localhost:1111";
  else
      url = args[0];

  Node foo1 = Node.createURI("http://example.org/#foo1");
  Node bar1 = Node.createURI("http://example.org/#bar1");
  Node baz1 = Node.createURI("http://example.org/#baz1");

  Node foo2 = Node.createURI("http://example.org/#foo2");
  Node bar2 = Node.createURI("http://example.org/#bar2");
  Node baz2 = Node.createURI("http://example.org/#baz2");

  Node foo3 = Node.createURI("http://example.org/#foo3");
  Node bar3 = Node.createURI("http://example.org/#bar3");
  Node baz3 = Node.createURI("http://example.org/#baz3");

  List triples1 = new ArrayList();
  triples1.add(new Triple(foo1, bar1, baz1));
  triples1.add(new Triple(foo2, bar2, baz2));
  triples1.add(new Triple(foo3, bar3, baz3));

  List triples2 = new ArrayList();
  triples2.add(new Triple(foo1, bar1, baz1));
  triples2.add(new Triple(foo2, bar2, baz2));

  VirtGraph graph = new VirtGraph ("Example7", url, "dba", "dba");

  graph.clear ();

  System.out.println("graph.isEmpty() = " + graph.isEmpty());
  System.out.println("Add List with 3 triples to graph <Example7> via BulkUpdateHandler.");

  graph.getBulkUpdateHandler().add(triples1);

  System.out.println("graph.isEmpty() = " + graph.isEmpty());
  System.out.println("graph.getCount() = " + graph.getCount());

  ExtendedIterator iter = graph.find(Node.ANY, Node.ANY, Node.ANY);
  System.out.println ("\ngraph.find(Node.ANY, Node.ANY, Node.ANY) \nResult:");
  for ( ; iter.hasNext() ; )
      System.out.println ((Triple) iter.next());


  System.out.println("\n\nDelete List of 2 triples from graph <Example7> via BulkUpdateHandler.");

  graph.getBulkUpdateHandler().delete(triples2);

  System.out.println("graph.isEmpty() = " + graph.isEmpty());
  System.out.println("graph.getCount() = " + graph.getCount());

  iter = graph.find(Node.ANY, Node.ANY, Node.ANY);
  System.out.println ("\ngraph.find(Node.ANY, Node.ANY, Node.ANY) \nResult:");
  for ( ; iter.hasNext() ; )
      System.out.println ((Triple) iter.next());

  graph.clear ();
  System.out.println("\nCLEAR graph <Example7>");

    }
}
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