Examples with RyaType org.apache.rya.api.domain.RyaType used on opensource projects

Example 26 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class WholeRowHashedTripleResolver method serialize.

@Override
public Map<TABLE_LAYOUT, TripleRow> serialize(final RyaStatement stmt) throws TripleRowResolverException {
    try {
        final RyaURI subject = stmt.getSubject();
        final RyaURI predicate = stmt.getPredicate();
        final RyaType object = stmt.getObject();
        final RyaURI context = stmt.getContext();
        final Long timestamp = stmt.getTimestamp();
        final byte[] columnVisibility = stmt.getColumnVisibility();
        final String qualifer = stmt.getQualifer();
        final byte[] qualBytes = qualifer == null ? EMPTY_BYTES : qualifer.getBytes(StandardCharsets.UTF_8);
        final byte[] value = stmt.getValue();
        assert subject != null && predicate != null && object != null;
        final byte[] cf = (context == null) ? EMPTY_BYTES : context.getData().getBytes(StandardCharsets.UTF_8);
        final Map<TABLE_LAYOUT, TripleRow> tripleRowMap = new HashMap<TABLE_LAYOUT, TripleRow>();
        final MessageDigest md = MessageDigest.getInstance("MD5");
        final byte[] subjBytes = subject.getData().getBytes(StandardCharsets.UTF_8);
        final byte[] subjHashBytes = md.digest(subjBytes);
        final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
        final byte[] predHashBytes = md.digest(predBytes);
        final byte[][] objBytes = RyaContext.getInstance().serializeType(object);
        tripleRowMap.put(TABLE_LAYOUT.SPO, new TripleRow(Bytes.concat(Hex.encodeHexString(subjHashBytes).getBytes(StandardCharsets.UTF_8), DELIM_BYTES, subjBytes, DELIM_BYTES, predBytes, DELIM_BYTES, objBytes[0], objBytes[1]), cf, qualBytes, timestamp, columnVisibility, value));
        tripleRowMap.put(TABLE_LAYOUT.PO, new TripleRow(Bytes.concat(Hex.encodeHexString(predHashBytes).getBytes(StandardCharsets.UTF_8), DELIM_BYTES, predBytes, DELIM_BYTES, objBytes[0], DELIM_BYTES, subjBytes, objBytes[1]), cf, qualBytes, timestamp, columnVisibility, value));
        tripleRowMap.put(TABLE_LAYOUT.OSP, new TripleRow(Bytes.concat(objBytes[0], DELIM_BYTES, subjBytes, DELIM_BYTES, predBytes, objBytes[1]), cf, qualBytes, timestamp, columnVisibility, value));
        return tripleRowMap;
    } catch (final RyaTypeResolverException e) {
        throw new TripleRowResolverException(e);
    } catch (final NoSuchAlgorithmException e) {
        throw new TripleRowResolverException(e);
    }
}

Example 27 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class RyaTypeResolverImpl method deserialize.

@Override
public RyaType deserialize(final byte[] bytes) throws RyaTypeResolverException {
    if (!deserializable(bytes)) {
        throw new RyaTypeResolverException("Bytes not deserializable");
    }
    final RyaType rt = newInstance();
    rt.setDataType(getRyaDataType());
    final String data = new String(bytes, 0, bytes.length - 2, StandardCharsets.UTF_8);
    rt.setData(deserializeData(data));
    return rt;
}

Example 28 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class MongoFreeTextIndexerIT method testRestrictPredicatesSearch.

@Test
public void testRestrictPredicatesSearch() throws Exception {
    conf.setStrings(ConfigUtils.FREETEXT_PREDICATES_LIST, "pred:1,pred:2");
    try (MongoFreeTextIndexer f = new MongoFreeTextIndexer()) {
        f.setConf(conf);
        f.init();
        // These should not be stored because they are not in the predicate list
        f.storeStatement(new RyaStatement(new RyaURI("foo:subj1"), new RyaURI(RDFS.LABEL.toString()), new RyaType("invalid")));
        f.storeStatement(new RyaStatement(new RyaURI("foo:subj2"), new RyaURI(RDFS.COMMENT.toString()), new RyaType("invalid")));
        final RyaURI pred1 = new RyaURI("pred:1");
        final RyaURI pred2 = new RyaURI("pred:2");
        // These should be stored because they are in the predicate list
        final RyaStatement s3 = new RyaStatement(new RyaURI("foo:subj3"), pred1, new RyaType("valid"));
        final RyaStatement s4 = new RyaStatement(new RyaURI("foo:subj4"), pred2, new RyaType("valid"));
        f.storeStatement(s3);
        f.storeStatement(s4);
        // This should not be stored because the object is not a literal
        f.storeStatement(new RyaStatement(new RyaURI("foo:subj5"), pred1, new RyaURI("in:validURI")));
        f.flush();
        assertEquals(Sets.newHashSet(), getSet(f.queryText("invalid", EMPTY_CONSTRAINTS)));
        assertEquals(Sets.newHashSet(), getSet(f.queryText("in:validURI", EMPTY_CONSTRAINTS)));
        final Set<Statement> actual = getSet(f.queryText("valid", EMPTY_CONSTRAINTS));
        assertEquals(2, actual.size());
        assertTrue(actual.contains(RyaToRdfConversions.convertStatement(s3)));
        assertTrue(actual.contains(RyaToRdfConversions.convertStatement(s4)));
    }
}

Example 29 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class AccumuloStatementMetadataNodeTest method simpleQueryWithBindingSetJoinOnProperty.

/**
 * Tests if the StatementMetadataNode joins BindingSet correctly for
 * variables appearing in metadata statements. In this case, the metadata
 * statements are (_:blankNode <http://createdOn 2017-01-04 ) and
 * (_:blankNode <http://createdBy> ?y). The variable ?y appears as the
 * object in the above metadata statement and its values are joined to the
 * constraint BindingSets in the example below.
 *
 * @throws MalformedQueryException
 * @throws QueryEvaluationException
 * @throws RyaDAOException
 */
@Test
public void simpleQueryWithBindingSetJoinOnProperty() 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);
    dao.add(statement1);
    SPARQLParser parser = new SPARQLParser();
    ParsedQuery pq = parser.parseQuery(query, null);
    List<StatementPattern> spList = StatementPatternCollector.process(pq.getTupleExpr());
    StatementMetadataNode<AccumuloRdfConfiguration> node = new StatementMetadataNode<>(spList, conf);
    QueryBindingSet bsConstraint = new QueryBindingSet();
    bsConstraint.addBinding("x", new LiteralImpl("CoffeeShop"));
    bsConstraint.addBinding("y", new LiteralImpl("Doug"));
    CloseableIteration<BindingSet, QueryEvaluationException> iteration = node.evaluate(bsConstraint);
    List<BindingSet> bsList = new ArrayList<>();
    while (iteration.hasNext()) {
        bsList.add(iteration.next());
    }
    Assert.assertEquals(0, bsList.size());
    dao.delete(statement1, conf);
}

Example 30 with RyaType

use of org.apache.rya.api.domain.RyaType in project incubator-rya by apache.

the class AccumuloStatementMetadataNodeTest method simpleQueryWithBindingSet.

@Test
public void simpleQueryWithBindingSet() 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);
    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);
}