Examples with SpatialIndexReadOperator org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator used on opensource projects

Example 11 with SpatialIndexReadOperator

use of org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator in project bboxdb by jnidzwetzki.

the class HandleBoundingBoxTimeQuery method handleQuery.

@Override
public /**
 * Handle the bounding box time query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is allready known, please close old query first", packageSequence);
        }
        final QueryBoundingBoxTimeRequest queryRequest = QueryBoundingBoxTimeRequest.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);
                final Operator operator1 = new NewerAsInsertTimeSeclectionOperator(queryRequest.getTimestamp(), operator);
                return operator1;
            }
        };
        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.writeResultPackageNE(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
}