Examples with QueryVersionTimeRequest org.bboxdb.network.packages.request.QueryVersionTimeRequest used on opensource projects

Example 1 with QueryVersionTimeRequest

use of org.bboxdb.network.packages.request.QueryVersionTimeRequest in project bboxdb by jnidzwetzki.

the class TestNetworkClasses method testDecodeVersionTimeQuery.

/**
 * Test decode version time query
 * @throws IOException
 * @throws PackageEncodeException
 */
@Test(timeout = 60000)
public void testDecodeVersionTimeQuery() throws IOException, PackageEncodeException {
    final String table = "table1";
    final long timeStamp = 4711;
    final short sequenceNumber = sequenceNumberGenerator.getNextSequenceNummber();
    final QueryVersionTimeRequest queryRequest = new QueryVersionTimeRequest(sequenceNumber, ROUTING_HEADER_ROUTED, table, timeStamp, true, (short) 50);
    byte[] encodedPackage = networkPackageToByte(queryRequest);
    Assert.assertNotNull(encodedPackage);
    final ByteBuffer bb = NetworkPackageDecoder.encapsulateBytes(encodedPackage);
    boolean result = NetworkPackageDecoder.validateRequestPackageHeader(bb, NetworkConst.REQUEST_TYPE_QUERY);
    Assert.assertTrue(result);
    final QueryVersionTimeRequest decodedPackage = QueryVersionTimeRequest.decodeTuple(bb);
    Assert.assertEquals(queryRequest.getTimestamp(), decodedPackage.getTimestamp());
    Assert.assertEquals(queryRequest.getTable(), decodedPackage.getTable());
    Assert.assertEquals(queryRequest.isPagingEnabled(), decodedPackage.isPagingEnabled());
    Assert.assertEquals(queryRequest.getTuplesPerPage(), decodedPackage.getTuplesPerPage());
    Assert.assertEquals(NetworkConst.REQUEST_QUERY_VERSION_TIME, NetworkPackageDecoder.getQueryTypeFromRequest(bb));
    Assert.assertTrue(queryRequest.toString().length() > 10);
}

Example 2 with QueryVersionTimeRequest

use of org.bboxdb.network.packages.request.QueryVersionTimeRequest in project bboxdb by jnidzwetzki.

the class HandleVersionTimeQuery method handleQuery.

@Override
public /**
 * Handle a time query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException, PackageEncodeException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is allready known, please close old query first", packageSequence);
            return;
        }
        final QueryVersionTimeRequest queryRequest = QueryVersionTimeRequest.decodeTuple(encodedPackage);
        final TupleStoreName requestTable = queryRequest.getTable();
        if (!QueryHelper.handleNonExstingTable(requestTable, packageSequence, clientConnectionHandler)) {
            return;
        }
        final OperatorTreeBuilder operatorTreeBuilder = new OperatorTreeBuilder() {

            @Override
            public Operator buildOperatorTree(final List<TupleStoreManager> storageManager) {
                if (storageManager.size() != 1) {
                    throw new IllegalArgumentException("This operator tree needs 1 storage manager");
                }
                final FullTablescanOperator tablescanOperator = new FullTablescanOperator(storageManager.get(0));
                final long timestamp = queryRequest.getTimestamp();
                final Operator opeator = new NewerAsVersionTimeSelectionOperator(timestamp, tablescanOperator);
                return opeator;
            }
        };
        final StreamClientQuery clientQuery = new StreamClientQuery(operatorTreeBuilder, queryRequest.isPagingEnabled(), queryRequest.getTuplesPerPage(), clientConnectionHandler, packageSequence, Arrays.asList(requestTable));
        clientConnectionHandler.getActiveQueries().put(packageSequence, clientQuery);
        clientConnectionHandler.sendNextResultsForQuery(packageSequence, packageSequence);
    } catch (PackageEncodeException e) {
        logger.warn("Got exception while decoding package", e);
        clientConnectionHandler.writeResultPackage(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
    return;
}