Examples with QueryBindingSet org.openrdf.query.algebra.evaluation.QueryBindingSet used on opensource projects

Example 21 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet in project incubator-rya by apache.

the class StatementPatternMatcherTest method variableContext.

@Test
public void variableContext() throws Exception {
    // Create a matcher against a pattern that matches a variable context.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp("SELECT * WHERE {" + "GRAPH ?c {" + "?s ?p ?o ." + "}" + "}"));
    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));
    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("s", vf.createURI("urn:Alice"));
    expected.addBinding("p", vf.createURI("urn:talksTo"));
    expected.addBinding("o", vf.createURI("urn:Bob"));
    expected.addBinding("c", vf.createURI("urn:testGraph"));
    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}

Example 22 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet in project incubator-rya by apache.

the class StatementPatternMatcherTest method matchesSubject.

@Test
public void matchesSubject() throws Exception {
    // Create the matcher against a pattern that matches a specific subject.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp("SELECT * WHERE {" + "<urn:Alice> ?p ?o ." + "}"));
    // Create a statement that matches the pattern.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"), vf.createURI("urn:testGraph"));
    // Create the expected resulting Binding Set.
    final QueryBindingSet expected = new QueryBindingSet();
    expected.addBinding("p", vf.createURI("urn:talksTo"));
    expected.addBinding("o", vf.createURI("urn:Bob"));
    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}

Example 23 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet in project incubator-rya by apache.

the class AccumuloIndexSetTest method accumuloIndexSetTestWithDirectProductBindingSet.

@Test
public void accumuloIndexSetTestWithDirectProductBindingSet() throws RepositoryException, PcjException, TableNotFoundException, RyaTypeResolverException, MalformedQueryException, SailException, QueryEvaluationException, AccumuloException, AccumuloSecurityException {
    // Load some Triples into Rya.
    final Set<Statement> triples = new HashSet<>();
    triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://hasAge"), new NumericLiteralImpl(14, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://hasAge"), new NumericLiteralImpl(16, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://hasAge"), new NumericLiteralImpl(12, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://hasAge"), new NumericLiteralImpl(43, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    for (final Statement triple : triples) {
        ryaConn.add(triple);
    }
    // Create a PCJ table will include those triples in its results.
    final String sparql = "SELECT ?name ?age " + "{" + "FILTER(?age < 30) ." + "?name <http://hasAge> ?age." + "?name <http://playsSport> \"Soccer\" " + "}";
    final String pcjTableName = new PcjTableNameFactory().makeTableName(prefix, "testPcj");
    // Create and populate the PCJ table.
    PcjIntegrationTestingUtil.createAndPopulatePcj(ryaConn, accumuloConn, pcjTableName, sparql, new String[] { "name", "age" }, Optional.<PcjVarOrderFactory>absent());
    final AccumuloIndexSet ais = new AccumuloIndexSet(conf, pcjTableName);
    final QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("birthDate", new LiteralImpl("1983-03-17", new URIImpl("http://www.w3.org/2001/XMLSchema#date")));
    bs.addBinding("location", new URIImpl("http://Virginia"));
    final CloseableIteration<BindingSet, QueryEvaluationException> results = ais.evaluate(bs);
    final QueryBindingSet alice = new QueryBindingSet();
    alice.addBinding("name", new URIImpl("http://Alice"));
    alice.addBinding("age", new NumericLiteralImpl(14, XMLSchema.INTEGER));
    alice.addAll(bs);
    final QueryBindingSet bob = new QueryBindingSet();
    bob.addBinding("name", new URIImpl("http://Bob"));
    bob.addBinding("age", new NumericLiteralImpl(16, XMLSchema.INTEGER));
    bob.addAll(bs);
    final QueryBindingSet charlie = new QueryBindingSet();
    charlie.addBinding("name", new URIImpl("http://Charlie"));
    charlie.addBinding("age", new NumericLiteralImpl(12, XMLSchema.INTEGER));
    charlie.addAll(bs);
    final Set<BindingSet> fetchedResults = new HashSet<>();
    while (results.hasNext()) {
        fetchedResults.add(results.next());
    }
    Assert.assertEquals(3, fetchedResults.size());
    Assert.assertEquals(Sets.<BindingSet>newHashSet(alice, bob, charlie), fetchedResults);
}

Example 24 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet in project incubator-rya by apache.

the class AccumuloIndexSetTest method accumuloIndexSetTestWithBindingSet.

/**
 * TODO doc
 * @throws QueryEvaluationException
 * @throws SailException
 * @throws MalformedQueryException
 * @throws AccumuloSecurityException
 * @throws AccumuloException
 */
@Test
public void accumuloIndexSetTestWithBindingSet() throws RepositoryException, PcjException, TableNotFoundException, RyaTypeResolverException, MalformedQueryException, SailException, QueryEvaluationException, AccumuloException, AccumuloSecurityException {
    // Load some Triples into Rya.
    final Set<Statement> triples = new HashSet<>();
    triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://hasAge"), new NumericLiteralImpl(14, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://hasAge"), new NumericLiteralImpl(16, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://hasAge"), new NumericLiteralImpl(12, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://hasAge"), new NumericLiteralImpl(43, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    for (final Statement triple : triples) {
        ryaConn.add(triple);
    }
    // Create a PCJ table will include those triples in its results.
    final String sparql = "SELECT ?name ?age " + "{" + "FILTER(?age < 30) ." + "?name <http://hasAge> ?age." + "?name <http://playsSport> \"Soccer\" " + "}";
    final String pcjTableName = new PcjTableNameFactory().makeTableName(prefix, "testPcj");
    // Create and populate the PCJ table.
    PcjIntegrationTestingUtil.createAndPopulatePcj(ryaConn, accumuloConn, pcjTableName, sparql, new String[] { "name", "age" }, Optional.<PcjVarOrderFactory>absent());
    final AccumuloIndexSet ais = new AccumuloIndexSet(conf, pcjTableName);
    final QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("name", new URIImpl("http://Alice"));
    bs.addBinding("location", new URIImpl("http://Virginia"));
    final CloseableIteration<BindingSet, QueryEvaluationException> results = ais.evaluate(bs);
    bs.addBinding("age", new NumericLiteralImpl(14, XMLSchema.INTEGER));
    Assert.assertEquals(bs, results.next());
}

Example 25 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet in project incubator-rya by apache.

the class AccumuloIndexSetTest method accumuloIndexSetTestWithTwoDirectProductBindingSetsWithConstantMapping.

@Test
public void accumuloIndexSetTestWithTwoDirectProductBindingSetsWithConstantMapping() throws Exception {
    // Load some Triples into Rya.
    final Set<Statement> triples = new HashSet<>();
    triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://hasAge"), new NumericLiteralImpl(14, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://hasAge"), new NumericLiteralImpl(16, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://hasAge"), new NumericLiteralImpl(12, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://hasAge"), new NumericLiteralImpl(43, XMLSchema.INTEGER)));
    triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
    for (final Statement triple : triples) {
        ryaConn.add(triple);
    }
    // Create a PCJ table will include those triples in its results.
    final String sparql = "SELECT ?name ?age " + "{" + "?name <http://hasAge> ?age." + "?name <http://playsSport> \"Soccer\" " + "}";
    final String pcjTableName = new PcjTableNameFactory().makeTableName(prefix, "testPcj");
    // Create and populate the PCJ table.
    PcjIntegrationTestingUtil.createAndPopulatePcj(ryaConn, accumuloConn, pcjTableName, sparql, new String[] { "name", "age" }, Optional.<PcjVarOrderFactory>absent());
    final String sparql2 = "SELECT ?x " + "{" + "?x <http://hasAge> 16 ." + "?x <http://playsSport> \"Soccer\" " + "}";
    final SPARQLParser p = new SPARQLParser();
    final ParsedQuery pq1 = p.parseQuery(sparql, null);
    final ParsedQuery pq2 = p.parseQuery(sparql2, null);
    final AccumuloIndexSet ais = new AccumuloIndexSet(conf, pcjTableName);
    ais.setProjectionExpr((Projection) QueryVariableNormalizer.getNormalizedIndex(pq2.getTupleExpr(), pq1.getTupleExpr()).get(0));
    final QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("birthDate", new LiteralImpl("1983-03-17", new URIImpl("http://www.w3.org/2001/XMLSchema#date")));
    bs.addBinding("x", new URIImpl("http://Alice"));
    final QueryBindingSet bs2 = new QueryBindingSet();
    bs2.addBinding("birthDate", new LiteralImpl("1983-04-18", new URIImpl("http://www.w3.org/2001/XMLSchema#date")));
    bs2.addBinding("x", new URIImpl("http://Bob"));
    final Set<BindingSet> bSets = Sets.<BindingSet>newHashSet(bs, bs2);
    final CloseableIteration<BindingSet, QueryEvaluationException> results = ais.evaluate(bSets);
    final Set<BindingSet> fetchedResults = new HashSet<>();
    while (results.hasNext()) {
        final BindingSet next = results.next();
        fetchedResults.add(next);
    }
    Assert.assertEquals(Sets.<BindingSet>newHashSet(bs2), fetchedResults);
}