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

Example 16 with StatementMetadataNode

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

the class AccumuloStatementMetadataNodeTest method simpleQueryWithBindingSetCollection.

/**
 * 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.
 *
 * @throws MalformedQueryException
 * @throws QueryEvaluationException
 * @throws RyaDAOException
 */
@Test
public void simpleQueryWithBindingSetCollection() 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 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://Joe"), 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(query, 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"));
    QueryBindingSet expected2 = new QueryBindingSet();
    expected2.addBinding("x", new LiteralImpl("HardwareStore"));
    expected2.addBinding("y", new LiteralImpl("Joe"));
    expected2.addBinding("z", new LiteralImpl("Maryland"));
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(2, bsList.size());
    Assert.assertEquals(expected1, bsList.get(1));
    Assert.assertEquals(expected2, bsList.get(0));
    dao.delete(statement1, conf);
    dao.delete(statement2, conf);
}

Example 17 with StatementMetadataNode

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

the class AccumuloStatementMetadataNodeTest method simpleQueryWithVariableContextAndJoinOnContext.

/**
 * 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 passes back bindings corresponding
 * to a specified context and that a join across variable context is
 * performed properly.
 *
 * @throws MalformedQueryException
 * @throws QueryEvaluationException
 * @throws RyaDAOException
 */
@Test
public void simpleQueryWithVariableContextAndJoinOnContext() 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 ?c where { graph ?c {_: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"));
    bsConstraint1.addBinding("c", new URIImpl("http://context_1"));
    QueryBindingSet bsConstraint2 = new QueryBindingSet();
    bsConstraint2.addBinding("x", new LiteralImpl("CoffeeShop"));
    bsConstraint2.addBinding("z", new LiteralImpl("Maryland"));
    bsConstraint2.addBinding("c", new URIImpl("http://context_2"));
    QueryBindingSet bsConstraint4 = new QueryBindingSet();
    bsConstraint4.addBinding("x", new LiteralImpl("HardwareStore"));
    bsConstraint4.addBinding("z", new LiteralImpl("WestVirginia"));
    bsConstraint4.addBinding("c", new URIImpl("http://context_2"));
    QueryBindingSet bsConstraint3 = new QueryBindingSet();
    bsConstraint3.addBinding("x", new LiteralImpl("BurgerShack"));
    bsConstraint3.addBinding("z", new LiteralImpl("Delaware"));
    bsConstraint3.addBinding("c", new URIImpl("http://context_1"));
    bsCollection.add(bsConstraint1);
    bsCollection.add(bsConstraint2);
    bsCollection.add(bsConstraint3);
    bsCollection.add(bsConstraint4);
    // AccumuloRyaQueryEngine engine = dao.getQueryEngine();
    // //        CloseableIteration<RyaStatement, RyaDAOException> iter = engine.query(new RyaStatement(new RyaURI("http://Joe"),
    // //                new RyaURI("http://worksAt"), new RyaType("HardwareStore"), new RyaURI("http://context_2")), conf);
    // CloseableIteration<? extends Map.Entry<RyaStatement,BindingSet>, RyaDAOException> iter = engine.queryWithBindingSet(Arrays.asList(new RdfCloudTripleStoreUtils.CustomEntry<RyaStatement, BindingSet>(
    // new RyaStatement(new RyaURI("http://Joe"),
    // new RyaURI("http://worksAt"), new RyaType("HardwareStore"), new RyaURI("http://context_2")), bsConstraint4)), conf);
    // while (iter.hasNext()) {
    // System.out.println(iter.next());
    // }
    // 
    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"));
    expected1.addBinding("c", new URIImpl("http://context_1"));
    QueryBindingSet expected2 = new QueryBindingSet();
    expected2.addBinding("x", new LiteralImpl("HardwareStore"));
    expected2.addBinding("y", new LiteralImpl("Joe"));
    expected2.addBinding("z", new LiteralImpl("WestVirginia"));
    expected2.addBinding("c", new URIImpl("http://context_2"));
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(2, bsList.size());
    Assert.assertEquals(expected1, bsList.get(1));
    Assert.assertEquals(expected2, bsList.get(0));
    dao.delete(statement1, conf);
    dao.delete(statement2, conf);
}

Example 18 with StatementMetadataNode

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

the class StatementMetadataExternalSetProviderTest method createMultipleMetadataNode.

@Test
public void createMultipleMetadataNode() throws MalformedQueryException {
    MongoDBRdfConfiguration conf = (MongoDBRdfConfiguration) getConf(true);
    Set<RyaURI> propertySet = new HashSet<>();
    propertySet.add(new RyaURI("http://createdBy"));
    propertySet.add(new RyaURI("http://createdOn"));
    conf.setStatementMetadataProperties(propertySet);
    StatementMetadataExternalSetProvider metaProvider = new StatementMetadataExternalSetProvider(conf);
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq2 = parser.parseQuery(query2, null);
    ParsedQuery pq3 = parser.parseQuery(query3, null);
    ParsedQuery pq1 = parser.parseQuery(query, null);
    List<QueryModelNode> patterns = new ArrayList<>();
    List<StatementMetadataNode<?>> expected = new ArrayList<>();
    Set<StatementPattern> sp1 = StatementMetadataTestUtils.getMetadataStatementPatterns(pq1.getTupleExpr(), propertySet);
    Set<StatementPattern> sp3 = StatementMetadataTestUtils.getMetadataStatementPatterns(pq3.getTupleExpr(), propertySet);
    // added extra blankNode into query3 to make blankNode names line up with query2.  Need to remove it now so that
    // StatementMetadataNode doesn't blow up because all subjects aren't the same.
    removePatternWithGivenSubject("-anon-1", sp3);
    patterns.addAll(StatementPatternCollector.process(pq2.getTupleExpr()));
    JoinSegment<StatementMetadataNode<?>> segment = new JoinSegment<>(new HashSet<>(patterns), patterns, new HashMap<ValueExpr, Filter>());
    List<StatementMetadataNode<?>> extSets = metaProvider.getExternalSets(segment);
    expected.add(new StatementMetadataNode<>(sp1, conf));
    expected.add(new StatementMetadataNode<>(sp3, conf));
    Assert.assertEquals(expected, extSets);
}

Example 19 with StatementMetadataNode

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

the class StatementMetadataExternalSetProviderTest method createSingleMongoMetadataNode.

@Test
public void createSingleMongoMetadataNode() throws MalformedQueryException {
    MongoDBRdfConfiguration conf = (MongoDBRdfConfiguration) getConf(true);
    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);
}