Examples with StatementMetadataNode org.apache.rya.indexing.statement.metadata.matching.StatementMetadataNode used on opensource projects

Example 6 with StatementMetadataNode

use of org.apache.rya.indexing.statement.metadata.matching.StatementMetadataNode in project incubator-rya by apache.

the class AccumuloStatementMetadataNodeTest method simpleQueryWithConstantContext.

/**
 * Tests if StatementMetadataNode joins BindingSet values correctly for
 * variables appearing as the object in one of the StatementPattern
 * statements (in the case ?x appears as the Object in the statement
 * _:blankNode rdf:object ?x). StatementPattern statements have either
 * rdf:subject, rdf:predicate, or rdf:object as the predicate. Additionally,
 * this test also determines whether node uses specified context as a query
 * constraint.
 *
 * @throws MalformedQueryException
 * @throws QueryEvaluationException
 * @throws RyaDAOException
 */
@Test
public void simpleQueryWithConstantContext() throws MalformedQueryException, QueryEvaluationException, RyaDAOException {
    // query used to create StatementPatternMetadataNode
    String contextQuery = "prefix owl: <http://www.w3.org/2002/07/owl#> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> select ?x ?y where { graph <http://context_1> {_:blankNode rdf:type owl:Annotation; owl:annotatedSource <http://Joe>; " + "owl:annotatedProperty <http://worksAt>; owl:annotatedTarget ?x; <http://createdBy> ?y; <http://createdOn> \'2017-01-04\'^^xsd:date }}";
    StatementMetadata metadata = new StatementMetadata();
    metadata.addMetadata(new RyaURI("http://createdBy"), new RyaType("Joe"));
    metadata.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-04"));
    RyaStatement statement1 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context_1"), "", metadata);
    RyaStatement statement2 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("HardwareStore"), new RyaURI("http://context_2"), "", metadata);
    dao.add(statement1);
    dao.add(statement2);
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(contextQuery, null);
    List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
    StatementMetadataNode<AccumuloRdfConfiguration> node = new StatementMetadataNode<>(spList, conf);
    List<BindingSet> bsCollection = new ArrayList<>();
    QueryBindingSet bsConstraint1 = new QueryBindingSet();
    bsConstraint1.addBinding("x", new LiteralImpl("CoffeeShop"));
    bsConstraint1.addBinding("z", new LiteralImpl("Virginia"));
    QueryBindingSet bsConstraint2 = new QueryBindingSet();
    bsConstraint2.addBinding("x", new LiteralImpl("HardwareStore"));
    bsConstraint2.addBinding("z", new LiteralImpl("Maryland"));
    QueryBindingSet bsConstraint3 = new QueryBindingSet();
    bsConstraint3.addBinding("x", new LiteralImpl("BurgerShack"));
    bsConstraint3.addBinding("z", new LiteralImpl("Delaware"));
    bsCollection.add(bsConstraint1);
    bsCollection.add(bsConstraint2);
    bsCollection.add(bsConstraint3);
    CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(bsCollection);
    QueryBindingSet expected1 = new QueryBindingSet();
    expected1.addBinding("x", new LiteralImpl("CoffeeShop"));
    expected1.addBinding("y", new LiteralImpl("Joe"));
    expected1.addBinding("z", new LiteralImpl("Virginia"));
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(1, bsList.size());
    Assert.assertEquals(expected1, bsList.get(0));
    dao.delete(statement1, conf);
    dao.delete(statement2, conf);
}

Example 7 with StatementMetadataNode

use of org.apache.rya.indexing.statement.metadata.matching.StatementMetadataNode in project incubator-rya by apache.

the class AccumuloStatementMetadataNodeTest method simpleQueryWithoutBindingSet.

@Test
public void simpleQueryWithoutBindingSet() throws MalformedQueryException, QueryEvaluationException, RyaDAOException {
    StatementMetadata metadata = new StatementMetadata();
    metadata.addMetadata(new RyaURI("http://createdBy"), new RyaType("Joe"));
    metadata.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-04"));
    RyaStatement statement = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context"), "", metadata);
    dao.add(statement);
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
    // RyaQueryEngine<RdfCloudTripleStoreConfiguration> engine =
    // (RyaQueryEngine<>) dao.getQueryEngine();
    StatementMetadataNode<?> node = new StatementMetadataNode<>(spList, conf);
    CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(new QueryBindingSet());
    QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("x", new LiteralImpl("CoffeeShop"));
    bs.addBinding("y", new LiteralImpl("Joe"));
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(1, bsList.size());
    Assert.assertEquals(bs, bsList.get(0));
    dao.delete(statement, conf);
}

Example 8 with StatementMetadataNode

use of org.apache.rya.indexing.statement.metadata.matching.StatementMetadataNode in project incubator-rya by apache.

the class StatementMetadataExternalSetProviderTest method createSingleAccumuloMetadataNode.

@Test
public void createSingleAccumuloMetadataNode() throws MalformedQueryException {
    AccumuloRdfConfiguration conf = (AccumuloRdfConfiguration) getConf(false);
    Set<RyaURI> propertySet = new HashSet<>();
    propertySet.add(new RyaURI("http://createdBy"));
    conf.setStatementMetadataProperties(propertySet);
    StatementMetadataExternalSetProvider metaProvider = new StatementMetadataExternalSetProvider(conf);
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<QueryModelNode> patterns = new ArrayList<>();
    List<StatementMetadataNode<?>> expected = new ArrayList<>();
    Set<StatementPattern> sp = StatementMetadataTestUtils.getMetadataStatementPatterns(pq.getTupleExpr(), propertySet);
    patterns.addAll(StatementPatternCollector.process(pq.getTupleExpr()));
    JoinSegment<StatementMetadataNode<?>> segment = new JoinSegment<>(new HashSet<>(patterns), patterns, new HashMap<ValueExpr, Filter>());
    List<StatementMetadataNode<?>> extSets = metaProvider.getExternalSets(segment);
    expected.add(new StatementMetadataNode<>(sp, conf));
    Assert.assertEquals(expected, extSets);
}

Example 9 with StatementMetadataNode

use of org.apache.rya.indexing.statement.metadata.matching.StatementMetadataNode in project incubator-rya by apache.

the class MongoStatementMetadataNodeIT method simpleQueryWithoutBindingSetInvalidProperty.

/**
 * Tests if results are filtered correctly using the metadata properties. In
 * this case, the date for the ingested RyaStatement differs from the date
 * specified in the query.
 */
@Test
public void simpleQueryWithoutBindingSetInvalidProperty() throws Exception {
    MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        StatementMetadata metadata = new StatementMetadata();
        metadata.addMetadata(new RyaURI("http://createdBy"), new RyaType("Doug"));
        metadata.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-02-15"));
        RyaStatement statement = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context"), "", metadata);
        dao.add(statement);
        SPARQLParser parser = new SPARQLParser();
        ParsedQuery pq = parser.parseQuery(query, null);
        List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
        StatementMetadataNode<MongoDBRdfConfiguration> node = new StatementMetadataNode<>(spList, conf);
        CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(new QueryBindingSet());
        List<BindingSet> bsList = new ArrayList<>();
        while (iteration.hasNext()) {
            bsList.add(iteration.next());
        }
        Assert.assertEquals(0, bsList.size());
        dao.delete(statement, conf);
    } finally {
        dao.destroy();
    }
}

Example 10 with StatementMetadataNode

use of org.apache.rya.indexing.statement.metadata.matching.StatementMetadataNode in project incubator-rya by apache.

the class MongoStatementMetadataNodeIT method simpleQueryWithBindingSetJoinPropertyToSubject.

/**
 * Tests to see if correct result is passed back when a metadata statement
 * is joined with a StatementPattern statement (i.e. a common variable
 * appears in a StatementPattern statement and a metadata statement).
 * StatementPattern statements have either rdf:subject, rdf:predicate, or
 * rdf:object as the predicate while a metadata statement is any statement
 * in the reified query whose predicate is not rdf:type and not a
 * StatementPattern predicate.
 */
@Test
public void simpleQueryWithBindingSetJoinPropertyToSubject() throws Exception {
    MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        StatementMetadata metadata = new StatementMetadata();
        metadata.addMetadata(new RyaURI("http://createdBy"), new RyaURI("http://Joe"));
        metadata.addMetadata(new RyaURI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-04"));
        RyaStatement statement1 = new RyaStatement(new RyaURI("http://Joe"), new RyaURI("http://worksAt"), new RyaType("CoffeeShop"), new RyaURI("http://context"), "", metadata);
        RyaStatement statement2 = new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://worksAt"), new RyaType("HardwareStore"), new RyaURI("http://context"), "", metadata);
        dao.add(statement1);
        dao.add(statement2);
        SPARQLParser parser = new SPARQLParser();
        ParsedQuery pq = parser.parseQuery(query2, null);
        List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
        StatementMetadataNode<MongoDBRdfConfiguration> node = new StatementMetadataNode<>(spList, conf);
        List<BindingSet> bsCollection = new ArrayList<>();
        QueryBindingSet bsConstraint1 = new QueryBindingSet();
        bsConstraint1.addBinding("y", new LiteralImpl("CoffeeShop"));
        bsConstraint1.addBinding("z", new LiteralImpl("Virginia"));
        QueryBindingSet bsConstraint2 = new QueryBindingSet();
        bsConstraint2.addBinding("y", new LiteralImpl("HardwareStore"));
        bsConstraint2.addBinding("z", new LiteralImpl("Maryland"));
        bsCollection.add(bsConstraint1);
        bsCollection.add(bsConstraint2);
        CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(bsCollection);
        QueryBindingSet expected = new QueryBindingSet();
        expected.addBinding("y", new LiteralImpl("CoffeeShop"));
        expected.addBinding("x", new URIImpl("http://Joe"));
        expected.addBinding("z", new LiteralImpl("Virginia"));
        List<BindingSet> bsList = new ArrayList<>();
        while (iteration.hasNext()) {
            bsList.add(iteration.next());
        }
        Assert.assertEquals(1, bsList.size());
        Assert.assertEquals(expected, bsList.get(0));
        dao.delete(statement1, conf);
        dao.delete(statement2, conf);
    } finally {
        dao.destroy();
    }
}