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

Example 56 with QueryBindingSet

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

the class ConstructGraphTest method testConstructGraphBNode.

@Test
public void testConstructGraphBNode() throws MalformedQueryException {
    String query = "select ?x where { _:b <uri:talksTo> ?x. _:b <uri:worksAt> ?z }";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> patterns = StatementPatternCollector.process(pq.getTupleExpr());
    ConstructGraph graph = new ConstructGraph(patterns);
    QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("x", vf.createURI("uri:Joe"));
    bs.addBinding("z", vf.createURI("uri:BurgerShack"));
    VisibilityBindingSet vBs = new VisibilityBindingSet(bs, "FOUO");
    Set<RyaStatement> statements = graph.createGraphFromBindingSet(vBs);
    Set<RyaStatement> statements2 = graph.createGraphFromBindingSet(vBs);
    RyaURI subject = null;
    for (RyaStatement statement : statements) {
        RyaURI subjURI = statement.getSubject();
        if (subject == null) {
            subject = subjURI;
        } else {
            assertEquals(subjURI, subject);
        }
    }
    RyaURI subject2 = null;
    for (RyaStatement statement : statements2) {
        RyaURI subjURI = statement.getSubject();
        if (subject2 == null) {
            subject2 = subjURI;
        } else {
            assertEquals(subjURI, subject2);
        }
    }
    assertTrue(!subject.equals(subject2));
    ConstructGraphTestUtils.ryaStatementsEqualIgnoresBlankNode(statements, statements2);
}

Example 57 with QueryBindingSet

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

the class ConstructGraphTest method testConstructGraph.

@Test
public void testConstructGraph() throws MalformedQueryException, UnsupportedEncodingException {
    String query = "select ?x where { ?x <uri:talksTo> <uri:Bob>. ?y <uri:worksAt> ?z }";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> patterns = StatementPatternCollector.process(pq.getTupleExpr());
    ConstructGraph graph = new ConstructGraph(patterns);
    QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("x", vf.createURI("uri:Joe"));
    bs.addBinding("y", vf.createURI("uri:Bob"));
    bs.addBinding("z", vf.createURI("uri:BurgerShack"));
    VisibilityBindingSet vBs = new VisibilityBindingSet(bs, "FOUO");
    Set<RyaStatement> statements = graph.createGraphFromBindingSet(vBs);
    RyaStatement statement1 = new RyaStatement(new RyaURI("uri:Joe"), new RyaURI("uri:talksTo"), new RyaURI("uri:Bob"));
    RyaStatement statement2 = new RyaStatement(new RyaURI("uri:Bob"), new RyaURI("uri:worksAt"), new RyaURI("uri:BurgerShack"));
    Set<RyaStatement> expected = Sets.newHashSet(Arrays.asList(statement1, statement2));
    expected.forEach(x -> x.setColumnVisibility("FOUO".getBytes()));
    ConstructGraphTestUtils.ryaStatementSetsEqualIgnoresTimestamp(expected, statements);
}

Example 58 with QueryBindingSet

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

the class ConstructProjectionTest method testConstructProjectionProjPred.

@Test
public void testConstructProjectionProjPred() throws MalformedQueryException {
    String query = "select ?p where { <uri:Joe> ?p <uri:Bob> }";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> patterns = StatementPatternCollector.process(pq.getTupleExpr());
    ConstructProjection projection = new ConstructProjection(patterns.get(0));
    QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("p", vf.createURI("uri:worksWith"));
    VisibilityBindingSet vBs = new VisibilityBindingSet(bs);
    RyaStatement statement = projection.projectBindingSet(vBs, new HashMap<>());
    RyaStatement expected = new RyaStatement(new RyaURI("uri:Joe"), new RyaURI("uri:worksWith"), new RyaURI("uri:Bob"));
    expected.setTimestamp(statement.getTimestamp());
    expected.setColumnVisibility(new byte[0]);
    assertEquals(expected, statement);
}

Example 59 with QueryBindingSet

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

the class StatementPatternMatcherTest method matchesPredicate.

@Test
public void matchesPredicate() throws Exception {
    // Create the matcher against a pattern that matches a specific predicate.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp("SELECT * WHERE {" + "?s <urn:talksTo> ?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("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 60 with QueryBindingSet

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

the class StatementPatternMatcherTest method matchesObject.

@Test
public void matchesObject() throws Exception {
    // Create the matcher against a pattern that matches a specific object.
    final StatementPatternMatcher matcher = new StatementPatternMatcher(getSp("SELECT * WHERE {" + "?s ?p <urn:Bob> ." + "}"));
    // 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"));
    // Show the expected Binding Set matches the resulting Binding Set.
    final Optional<BindingSet> bs = matcher.match(statement);
    assertEquals(expected, bs.get());
}