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/*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 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 VirtuosoSPARQLExample6
{
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");
VirtGraph graph = new VirtGraph ("Example6", url, "dba", "dba");
graph.clear ();
System.out.println("graph.isEmpty() = " + graph.isEmpty());
System.out.println("test Transaction Commit.");
graph.getTransactionHandler().begin();
System.out.println("begin Transaction.");
System.out.println("Add 3 triples to graph <Example6>.");
graph.add(new Triple(foo1, bar1, baz1));
graph.add(new Triple(foo2, bar2, baz2));
graph.add(new Triple(foo3, bar3, baz3));
graph.getTransactionHandler().commit();
System.out.println("commit Transaction.");
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());
graph.clear ();
System.out.println("\nCLEAR graph <Example6>");
System.out.println("graph.isEmpty() = " + graph.isEmpty());
System.out.println("Add 1 triples to graph <Example6>.");
graph.add(new Triple(foo1, bar1, baz1));
System.out.println("test Transaction Abort.");
graph.getTransactionHandler().begin();
System.out.println("begin Transaction.");
System.out.println("Add 2 triples to graph <Example6>.");
graph.add(new Triple(foo2, bar2, baz2));
graph.add(new Triple(foo3, bar3, baz3));
graph.getTransactionHandler().abort();
System.out.println("abort Transaction.");
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 <Example6>");
}
}
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