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

Example 76 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet 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 77 with QueryBindingSet

use of org.openrdf.query.algebra.evaluation.QueryBindingSet 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();
    }
}

Example 78 with QueryBindingSet

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

the class MongoStatementMetadataNodeIT 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.
 */
@Test
public void simpleQueryWithBindingSetCollection() throws Exception {
    MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        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<MongoDBRdfConfiguration> 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);
        Set<BindingSet> expected = new HashSet<>();
        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"));
        expected.add(expected1);
        expected.add(expected2);
        Set<BindingSet> bsSet = new HashSet<>();
        while (iteration.hasNext()) {
            bsSet.add(iteration.next());
        }
        Assert.assertEquals(expected, bsSet);
        dao.delete(statement1, conf);
        dao.delete(statement2, conf);
    } finally {
        dao.destroy();
    }
}

Example 79 with QueryBindingSet

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

the class MongoStatementMetadataNodeIT method simpleQueryWithBindingSet.

@Test
public void simpleQueryWithBindingSet() throws Exception {
    MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        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<MongoDBRdfConfiguration> node = new StatementMetadataNode<>(spList, conf);
        QueryBindingSet bsConstraint = new QueryBindingSet();
        bsConstraint.addBinding("x", new LiteralImpl("CoffeeShop"));
        bsConstraint.addBinding("z", new LiteralImpl("Virginia"));
        CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(bsConstraint);
        QueryBindingSet expected = new QueryBindingSet();
        expected.addBinding("x", new LiteralImpl("CoffeeShop"));
        expected.addBinding("y", new LiteralImpl("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();
    }
}

Example 80 with QueryBindingSet

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

the class PeriodicQueryUpdater method updatePeriodicBinResults.

/**
 * Uses the {@link PeriodicQueryMetadata} to create a collection of binned BindingSets
 * that are added to Fluo.  Each binned BindingSet is the original BindingSet with an additional
 * Binding that contains the periodic bin id of the BindingSet.
 * @param tx - Fluo Transaction
 * @param bs - VisibilityBindingSet that will be binned
 * @param metadata - PeriodicQueryMetadata used to bin BindingSets
 * @throws Exception
 */
public void updatePeriodicBinResults(TransactionBase tx, VisibilityBindingSet bs, PeriodicQueryMetadata metadata) throws Exception {
    Set<Long> binIds = getBinEndTimes(metadata, bs);
    for (Long id : binIds) {
        // create binding set value bytes
        QueryBindingSet binnedBs = new QueryBindingSet(bs);
        binnedBs.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(id));
        VisibilityBindingSet visibilityBindingSet = new VisibilityBindingSet(binnedBs, bs.getVisibility());
        Bytes periodicBsBytes = BS_SERDE.serialize(visibilityBindingSet);
        // create row
        final Bytes resultRow = makeRowKey(metadata.getNodeId(), metadata.getVariableOrder(), visibilityBindingSet);
        Column col = FluoQueryColumns.PERIODIC_QUERY_BINDING_SET;
        tx.set(resultRow, col, periodicBsBytes);
    }
}