Examples with NearestNeighborCommand org.locationtech.geowave.analytic.mapreduce.operations.NearestNeighborCommand used on opensource projects

Example 1 with NearestNeighborCommand

use of org.locationtech.geowave.analytic.mapreduce.operations.NearestNeighborCommand in project geowave by locationtech.

the class GeoWaveGrpcAnalyticMapreduceService method nearestNeighborCommand.

@Override
public void nearestNeighborCommand(final NearestNeighborCommandParametersProtos request, final StreamObserver<VoidResponseProtos> responseObserver) {
    final NearestNeighborCommand cmd = new NearestNeighborCommand();
    final Map<FieldDescriptor, Object> m = request.getAllFields();
    GeoWaveGrpcServiceCommandUtil.setGrpcToCommandFields(m, cmd);
    final File configFile = GeoWaveGrpcServiceOptions.geowaveConfigFile;
    final OperationParams params = new ManualOperationParams();
    params.getContext().put(ConfigOptions.PROPERTIES_FILE_CONTEXT, configFile);
    cmd.prepare(params);
    LOGGER.info("Executing NearestNeighborCommand...");
    try {
        cmd.computeResults(params);
        final VoidResponseProtos resp = VoidResponseProtos.newBuilder().build();
        responseObserver.onNext(resp);
        responseObserver.onCompleted();
    } catch (final Exception e) {
        LOGGER.error("Exception encountered executing command", e);
        responseObserver.onError(e);
    }
}