/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program 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; version 2 of the License.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Sep 16, 2009
*/
package com.bigdata.rdf.sail;
import java.util.Collection;
import java.util.LinkedList;
import java.util.Properties;
import org.openrdf.model.URI;
import org.openrdf.model.impl.URIImpl;
import org.openrdf.query.Binding;
import org.openrdf.query.BindingSet;
import org.openrdf.query.QueryLanguage;
import org.openrdf.query.TupleQuery;
import org.openrdf.query.TupleQueryResult;
import org.openrdf.query.impl.BindingImpl;
import com.bigdata.rdf.axioms.NoAxioms;
import com.bigdata.rdf.vocab.NoVocabulary;
/**
* @author <a href="mailto:mrpersonick@users.sourceforge.net">Mike Personick</a>
* @version $Id$
*/
public class TestPruneBindingSets extends ProxyBigdataSailTestCase {
@Override
public Properties getProperties() {
Properties props = super.getProperties();
props.setProperty(BigdataSail.Options.TRUTH_MAINTENANCE, "false");
props.setProperty(BigdataSail.Options.AXIOMS_CLASS, NoAxioms.class.getName());
props.setProperty(BigdataSail.Options.VOCABULARY_CLASS, NoVocabulary.class.getName());
props.setProperty(BigdataSail.Options.JUSTIFY, "false");
props.setProperty(BigdataSail.Options.TEXT_INDEX, "false");
return props;
}
/**
*
*/
public TestPruneBindingSets() {
}
/**
* @param arg0
*/
public TestPruneBindingSets(String arg0) {
super(arg0);
}
/**
* Tests adding query hints in SPARQL.
*
* @throws Exception
*/
public void testPruneBindingSets() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final BigdataSailRepositoryConnection cxn =
(BigdataSailRepositoryConnection) repo.getConnection();
try {
cxn.setAutoCommit(false);
URI x = new URIImpl("_:X");
URI a = new URIImpl("_:A");
URI b = new URIImpl("_:B");
URI c = new URIImpl("_:C");
URI d = new URIImpl("_:D");
URI e = new URIImpl("_:E");
/**/
cxn.add(a, x, b);
cxn.add(b, x, c);
cxn.add(c, x, d);
cxn.add(d, x, e);
/**/
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
// cxn.flush();//commit();
cxn.commit();
/**/
if (log.isInfoEnabled()) {
log.info(cxn.getTripleStore().dumpStore());
}
{
String query =
"select ?a " +
"WHERE { " +
" ?a <"+x+"> ?b ." +
" ?b <"+x+"> ?c ." +
" ?c <"+x+"> ?d ." +
" ?d <"+x+"> <"+e+"> ." +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
TupleQueryResult result = tupleQuery.evaluate();
Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("a", a)
}));
compare(result, solution);
}
} finally {
cxn.close();
}
} finally {
sail.__tearDownUnitTest();
}
}
}