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

Example 71 with RyaStatement

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

the class RowRuleMapper method addMetadataKeys.

/**
 * Insert copy tool metadata, if the in-memory instance has been configured.
 */
@Override
protected void addMetadataKeys(final Context context) throws IOException {
    try {
        if (childDao != null && childDao.isInitialized()) {
            if (runTime != null) {
                final RyaStatement ryaStatement = AccumuloRyaUtils.createCopyToolRunTimeRyaStatement(runTime);
                copyStatement(ryaStatement, context);
            }
            if (startTime != null) {
                final RyaStatement ryaStatement = AccumuloRyaUtils.createCopyToolSplitTimeRyaStatement(startTime);
                copyStatement(ryaStatement, context);
            }
            if (timeOffset != null) {
                final RyaStatement ryaStatement = AccumuloRyaUtils.createTimeOffsetRyaStatement(timeOffset);
                copyStatement(ryaStatement, context);
            }
        }
    } catch (RyaDAOException | IOException | InterruptedException e) {
        throw new IOException("Failed to write metadata key", e);
    }
}

Example 72 with RyaStatement

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

the class AccumuloRyaUtils method getMetadata.

/**
 * Gets the metadata key from the table.
 * @param ryaStatement the {@link RyaStatement} for the metadata key to query.
 * @param dao the {@link AccumuloRyaDAO}.
 * @return the string value of the object from the metadata key.
 * @throws RyaDAOException
 */
private static String getMetadata(final RyaStatement ryaStatement, final AccumuloRyaDAO dao) throws RyaDAOException {
    String metadata = null;
    final AccumuloRdfConfiguration config = dao.getConf();
    final CloseableIteration<RyaStatement, RyaDAOException> iter = dao.getQueryEngine().query(ryaStatement, config);
    if (iter.hasNext()) {
        metadata = iter.next().getObject().getData();
    }
    iter.close();
    return metadata;
}

Example 73 with RyaStatement

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

the class GeoMongoDBStorageStrategy method serialize.

@Override
public DBObject serialize(final RyaStatement ryaStatement) {
    // write the statement data to the fields
    try {
        final Statement statement = RyaToRdfConversions.convertStatement(ryaStatement);
        final Geometry geo = (new WKTReader()).read(GeoParseUtils.getWellKnownText(statement));
        if (geo == null) {
            LOG.error("Failed to parse geo statement: " + statement.toString());
            return null;
        }
        final BasicDBObject base = (BasicDBObject) super.serialize(ryaStatement);
        if (geo.getNumPoints() > 1) {
            base.append(GEO, getCorrespondingPoints(geo));
        } else {
            base.append(GEO, getDBPoint(geo));
        }
        return base;
    } catch (final ParseException e) {
        LOG.error("Could not create geometry for statement " + ryaStatement, e);
        return null;
    }
}

Example 74 with RyaStatement

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

the class HistoricStreamingVisibilityIT method historicResults.

/**
 * Ensure historic matches are included in the result.
 */
@Test
public void historicResults() throws Exception {
    // A query that finds people who talk to Eve and work at Chipotle.
    final String sparql = "SELECT ?x " + "WHERE { " + "?x <http://talksTo> <http://Eve>. " + "?x <http://worksAt> <http://Chipotle>." + "}";
    final Connector accumuloConn = super.getAccumuloConnector();
    accumuloConn.securityOperations().changeUserAuthorizations(getUsername(), new Authorizations("U", "V", "W"));
    final AccumuloRyaDAO dao = new AccumuloRyaDAO();
    dao.setConnector(accumuloConn);
    dao.setConf(makeConfig());
    dao.init();
    // Triples that are loaded into Rya before the PCJ is created.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<RyaStatement> historicTriples = Sets.newHashSet(makeRyaStatement(vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), "U"), makeRyaStatement(vf.createStatement(vf.createURI("http://Bob"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), "V"), makeRyaStatement(vf.createStatement(vf.createURI("http://Charlie"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), "W"), makeRyaStatement(vf.createStatement(vf.createURI("http://Eve"), vf.createURI("http://helps"), vf.createURI("http://Kevin")), "U"), makeRyaStatement(vf.createStatement(vf.createURI("http://Bob"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "W"), makeRyaStatement(vf.createStatement(vf.createURI("http://Charlie"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "V"), makeRyaStatement(vf.createStatement(vf.createURI("http://Eve"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "U"), makeRyaStatement(vf.createStatement(vf.createURI("http://David"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "V"));
    dao.add(historicTriples.iterator());
    dao.flush();
    // The expected results of the SPARQL query once the PCJ has been computed.
    final Set<BindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Bob"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Charlie"));
    expected.add(bs);
    // Create the PCJ table.
    final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
    final String pcjId = pcjStorage.createPcj(sparql);
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
    }
    // Verify the end results of the query match the expected results.
    super.getMiniFluo().waitForObservers();
    final Set<BindingSet> results = Sets.newHashSet(pcjStorage.listResults(pcjId));
    Assert.assertEquals(expected, results);
}

Example 75 with RyaStatement

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

the class HistoricStreamingVisibilityIT method makeRyaStatement.

private static RyaStatement makeRyaStatement(final Statement statement, final String visibility) throws UnsupportedEncodingException {
    final RyaStatement ryaStatement = RdfToRyaConversions.convertStatement(statement);
    ryaStatement.setColumnVisibility(visibility.getBytes("UTF-8"));
    return ryaStatement;
}