Examples with SPARQLParser org.openrdf.query.parser.sparql.SPARQLParser used on opensource projects

Example 61 with SPARQLParser

use of org.openrdf.query.parser.sparql.SPARQLParser in project incubator-rya by apache.

the class PrecompJoinOptimizerTest method twoFourIndexWithFilterTest.

@Test
public void twoFourIndexWithFilterTest() throws Exception {
    final String q1 = // 
    "" + // 
    "SELECT ?f ?m ?d ?e ?l ?c " + // 
    "{" + // 
    "  Filter(?f > \"5\")." + // 
    "  Filter(?e > \"5\")." + // 
    "  ?f a ?m ." + // 
    "  ?e a ?l ." + // 
    "  ?d <uri:talksTo> ?f . " + // 
    "  ?c <uri:talksTo> ?e . " + // 
    "  ?m <http://www.w3.org/2000/01/rdf-schema#label> ?d ." + // 
    "  ?l <http://www.w3.org/2000/01/rdf-schema#label> ?c ." + // 
    "}";
    final String q2 = // 
    "" + // 
    "SELECT ?s ?t ?u " + // 
    "{" + // 
    "  ?s a ?t ." + // 
    "  ?t <http://www.w3.org/2000/01/rdf-schema#label> ?u ." + // 
    "  ?u <uri:talksTo> ?s . " + // 
    "}";
    final String q3 = // 
    "" + // 
    "SELECT ?s ?t ?u " + // 
    "{" + // 
    " Filter(?s > \"5\") ." + // 
    "  ?s a ?t ." + // 
    "  ?t <http://www.w3.org/2000/01/rdf-schema#label> ?u ." + // 
    "  ?u <uri:talksTo> ?s . " + // 
    "}";
    final String q4 = // 
    "" + // 
    "SELECT ?f ?m ?d " + // 
    "{" + // 
    " Filter(?f > \"5\") ." + // 
    "  ?f a ?m ." + // 
    "  ?m <http://www.w3.org/2000/01/rdf-schema#label> ?d ." + // 
    "  ?d <uri:talksTo> ?f . " + // 
    "}";
    final String q5 = // 
    "" + // 
    "SELECT ?e ?l ?c " + // 
    "{" + // 
    " Filter(?e > \"5\") ." + // 
    "  ?e a ?l ." + // 
    "  ?l <http://www.w3.org/2000/01/rdf-schema#label> ?c ." + // 
    "  ?c <uri:talksTo> ?e . " + // 
    "}";
    final SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = null;
    ParsedQuery pq2 = null;
    ParsedQuery pq3 = null;
    ParsedQuery pq4 = null;
    ParsedQuery pq5 = null;
    try {
        pq1 = parser.parseQuery(q1, null);
        pq2 = parser.parseQuery(q2, null);
        pq3 = parser.parseQuery(q3, null);
        pq4 = parser.parseQuery(q4, null);
        pq5 = parser.parseQuery(q5, null);
    } catch (final Exception e) {
        e.printStackTrace();
    }
    final SimpleExternalTupleSet extTup1 = new SimpleExternalTupleSet((Projection) pq2.getTupleExpr());
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet((Projection) pq3.getTupleExpr());
    final SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet((Projection) pq4.getTupleExpr());
    final SimpleExternalTupleSet extTup4 = new SimpleExternalTupleSet((Projection) pq5.getTupleExpr());
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup2);
    list.add(extTup1);
    final List<ExternalTupleSet> list2 = new ArrayList<ExternalTupleSet>();
    list2.add(extTup3);
    list2.add(extTup4);
    provider.setIndices(list);
    final PCJOptimizer pcj = new PCJOptimizer(list, true, provider);
    final TupleExpr te = pq1.getTupleExpr();
    pcj.optimize(te, null, null);
    System.out.println(te);
    final NodeCollector nc = new NodeCollector();
    te.visit(nc);
    Assert.assertEquals(nc.qNodes.size(), list2.size());
    for (final QueryModelNode e : nc.qNodes) {
        Assert.assertTrue(list2.contains(e));
    }
}

Example 62 with SPARQLParser

use of org.openrdf.query.parser.sparql.SPARQLParser in project incubator-rya by apache.

the class PrecompJoinOptimizerVarToConstTest method testFreeTestIndexFunction.

@Test
public void testFreeTestIndexFunction() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser2 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q22, null);
    final ParsedQuery pq2 = parser2.parseQuery(q24, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Index is " + pq2.getTupleExpr());
    final SimpleExternalTupleSet extTup = new SimpleExternalTupleSet(new Projection(pq2.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    final PCJOptimizer pcj = new PCJOptimizer(list, false, new AccumuloIndexSetProvider(new Configuration(), list));
    pcj.optimize(tup, null, null);
    System.out.println("Processed query is " + tup);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    final Set<StatementPattern> set = Sets.newHashSet();
    Assert.assertEquals(2, eTupSet.size());
    for (final QueryModelNode s : eTupSet) {
        final Set<StatementPattern> tempSet = Sets.newHashSet(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
        set.addAll(tempSet);
    }
    Assert.assertTrue(qSet.containsAll(set));
}

Example 63 with SPARQLParser

use of org.openrdf.query.parser.sparql.SPARQLParser in project incubator-rya by apache.

the class PrecompJoinOptimizerVarToConstTest method testContextFilterFourIndex.

@Test
public void testContextFilterFourIndex() throws Exception {
    final SPARQLParser parser1 = new SPARQLParser();
    final SPARQLParser parser3 = new SPARQLParser();
    final SPARQLParser parser4 = new SPARQLParser();
    final ParsedQuery pq1 = parser1.parseQuery(q19, null);
    final ParsedQuery pq3 = parser3.parseQuery(q17, null);
    final ParsedQuery pq4 = parser4.parseQuery(q18, null);
    System.out.println("Query is " + pq1.getTupleExpr());
    System.out.println("Indexes are " + pq3.getTupleExpr() + " , " + pq4.getTupleExpr());
    final SimpleExternalTupleSet extTup2 = new SimpleExternalTupleSet(new Projection(pq3.getTupleExpr()));
    final SimpleExternalTupleSet extTup3 = new SimpleExternalTupleSet(new Projection(pq4.getTupleExpr()));
    final List<ExternalTupleSet> list = new ArrayList<ExternalTupleSet>();
    list.add(extTup3);
    list.add(extTup2);
    final TupleExpr tup = pq1.getTupleExpr().clone();
    final PCJOptimizer pcj = new PCJOptimizer(list, false, new AccumuloIndexSetProvider(new Configuration(), list));
    pcj.optimize(tup, null, null);
    System.out.println("Processed query is " + tup);
    final Set<StatementPattern> qSet = Sets.newHashSet(StatementPatternCollector.process(pq1.getTupleExpr()));
    final Set<QueryModelNode> eTupSet = PcjIntegrationTestingUtil.getTupleSets(tup);
    Assert.assertEquals(2, eTupSet.size());
    final Set<StatementPattern> set = Sets.newHashSet();
    for (final QueryModelNode s : eTupSet) {
        final Set<StatementPattern> tempSet = Sets.newHashSet(StatementPatternCollector.process(((ExternalTupleSet) s).getTupleExpr()));
        set.addAll(tempSet);
    }
    Assert.assertTrue(qSet.containsAll(set));
}

Example 64 with SPARQLParser

use of org.openrdf.query.parser.sparql.SPARQLParser in project incubator-rya by apache.

the class JoinSegmentPCJMatcherTest method testBasicSegment.

@Test
public void testBasicSegment() throws MalformedQueryException {
    String query1 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    "  ?e a ?c . " + // 
    "  ?e <uri:talksTo> ?l  . " + // 
    "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l " + // 
    "}";
    String query2 = // 
    "" + // 
    "SELECT ?e ?c ?l" + // 
    "{" + // 
    "  ?e a ?c . " + // 
    "  ?e <uri:talksTo> ?l  . " + // 
    "}";
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq1 = parser.parseQuery(query1, null);
    ParsedQuery pq2 = parser.parseQuery(query2, null);
    TupleExpr te1 = pq1.getTupleExpr();
    TupleExpr te2 = pq2.getTupleExpr();
    Projection proj = (Projection) te1;
    Join join = (Join) proj.getArg();
    ExternalSetMatcher<ExternalTupleSet> jsm = pcjFactory.getMatcher(qFactory.getQuerySegment(join));
    SimpleExternalTupleSet pcj = new SimpleExternalTupleSet((Projection) te2);
    Assert.assertEquals(true, jsm.match(pcj));
    TupleExpr te = jsm.getQuery();
    Assert.assertEquals(new HashSet<QueryModelNode>(), jsm.getUnmatchedArgNodes());
    Set<QueryModelNode> qNodes = QueryNodeGatherer.getNodes(te);
    List<QueryModelNode> nodes = jsm.getOrderedNodes();
    Set<QueryModelNode> nodeSet = new HashSet<>();
    nodeSet.add(nodes.get(0));
    nodeSet.add(pcj);
    Assert.assertEquals(nodeSet, new HashSet<QueryModelNode>(nodes));
    Assert.assertEquals(nodeSet, qNodes);
}

Example 65 with SPARQLParser

use of org.openrdf.query.parser.sparql.SPARQLParser 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);
}