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

Example 1 with QueryBoundingBoxRequest

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

the class HandleBoundingBoxQuery method handleQuery.

@Override
public /**
 * Handle a bounding box 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 already known, please close old query first", packageSequence);
            return;
        }
        final QueryBoundingBoxRequest queryRequest = QueryBoundingBoxRequest.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 BoundingBox boundingBox = queryRequest.getBoundingBox();
                final SpatialIndexReadOperator operator = new SpatialIndexReadOperator(storageManager.get(0), boundingBox);
                return operator;
            }
        };
        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));
    }
}

Example 2 with QueryBoundingBoxRequest

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

the class TestNetworkClasses method testDecodeBoundingBoxQuery.

/**
 * Test decode bounding box query
 * @throws IOException
 * @throws PackageEncodeException
 */
@Test(timeout = 60000)
public void testDecodeBoundingBoxQuery() throws IOException, PackageEncodeException {
    final String table = "table1";
    final BoundingBox boundingBox = new BoundingBox(10d, 20d);
    final short sequenceNumber = sequenceNumberGenerator.getNextSequenceNummber();
    final QueryBoundingBoxRequest queryRequest = new QueryBoundingBoxRequest(sequenceNumber, ROUTING_HEADER_ROUTED, table, boundingBox, false, (short) 10);
    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 QueryBoundingBoxRequest decodedPackage = QueryBoundingBoxRequest.decodeTuple(bb);
    Assert.assertEquals(queryRequest.getBoundingBox(), decodedPackage.getBoundingBox());
    Assert.assertEquals(queryRequest.getTable(), decodedPackage.getTable());
    Assert.assertEquals(queryRequest.isPagingEnabled(), decodedPackage.isPagingEnabled());
    Assert.assertEquals(queryRequest.getTuplesPerPage(), decodedPackage.getTuplesPerPage());
    Assert.assertEquals(NetworkConst.REQUEST_QUERY_BBOX, NetworkPackageDecoder.getQueryTypeFromRequest(bb));
    Assert.assertEquals(queryRequest.toString(), decodedPackage.toString());
}