public static void CreateCell(this StreamValueDTO svd, ref StreamValue sv)
{
if (svd.CellValue.HasValue)
{
sv = new StreamValue(CellValue: svd.CellValue);
}
if (svd.DigitalValue.HasValue)
{
sv = new StreamValue(DigitalValue: svd.DigitalValue);
}
if (svd.NumericValue.HasValue)
{
sv = new StreamValue(NumericValue: svd.NumericValue);
}
if (svd.StringValue != null)
{
sv = new StreamValue(StringValue: svd.StringValue);
}
}
public static void Apply(this StreamValueCollectionDTOWriter response, TimestampPointerDTO timestamp, long streamCellId)
{
response.Timestamp = timestamp.Ticks;
response.StreamCellId = streamCellId;
List <long> valueCellIds;
using (var valuesCollection = Global.LocalStorage.UseStreamValueCollection(timestamp.Values))
{
valueCellIds = valuesCollection.Values;
}
foreach (var valueCellId in valueCellIds)
{
using (var value = Global.LocalStorage.UseStreamValue(valueCellId))
{
StreamValueDTO valueDTO = value.ToStreamValueDTO();
response.Values.Add(valueDTO);
}
}
}
public static StreamValueDTO ToStreamValueDTO(this StreamValue_Accessor sva)
{
StreamValueDTO dto = new StreamValueDTO();
if (sva.Contains_CellValue)
{
dto.CellValue = sva.CellValue;
}
if (sva.Contains_DigitalValue)
{
dto.DigitalValue = sva.DigitalValue;
}
if (sva.Contains_NumericValue)
{
dto.NumericValue = sva.NumericValue;
}
if (sva.Contains_StringValue)
{
dto.StringValue = sva.StringValue;
}
return(dto);
}
private static void Demo(TempanyServer server)
{
int serverId = 0;
StreamType streamType = StreamType.Numeric;
CreateStreamArgsWriter createStreamArgs = new CreateStreamArgsWriter((byte)streamType);
var createStreamResponse = Global.CloudStorage.CreateStreamToTempanyServer(serverId, createStreamArgs);
long streamCellId = createStreamResponse.Id;
int minutes = 360000;
int valuesPerMinute = 60;
DateTimeOffset now = DateTimeOffset.UtcNow;
DateTimeOffset startTime = now - TimeSpan.FromMinutes(minutes);
Random rand = new Random();
//Write values
Stopwatch writeStopwatch = Stopwatch.StartNew();
int numValues = minutes * valuesPerMinute;
for (int i = 0; i <= minutes; i++)
{
//Console.WriteLine("Minute {0}", i);
for (int j = 0; j < valuesPerMinute; j++)
{
double innerValue = i + 1.0 * j / valuesPerMinute * rand.NextDouble();
StreamValueDTO valueDTO = new StreamValueDTO(NumericValue: innerValue);
List <StreamValueDTO> valueDTOs = new List <StreamValueDTO>()
{
valueDTO
};
long timestamp = (startTime + TimeSpan.FromMinutes(i + 1.0 * j / valuesPerMinute)).UtcTicks;
StreamValueCollectionDTOWriter valueCollectionWriter = new StreamValueCollectionDTOWriter(valueDTOs, timestamp, streamCellId);
Global.CloudStorage.InsertStreamValueToTempanyServer(serverId, valueCollectionWriter);
}
}
long writeTime = writeStopwatch.ElapsedMilliseconds;
double timePerEvent = 1.0 * writeTime / numValues;
Console.WriteLine("Finished writing after {0}ms. Average of {1}ms/event", writeTime, timePerEvent);
//Read values
//Stopwatch readStopwatch = Stopwatch.StartNew();
//GetStreamValuesArgsWriter getValuesArgs = new GetStreamValuesArgsWriter(streamCellId, startTime.UtcTicks, now.UtcTicks, 0);
//var valuesReader = Global.CloudStorage.GetStreamValuesToTempanyServer(serverId, getValuesArgs);
//long readTime = readStopwatch.ElapsedMilliseconds;
//Console.WriteLine("Read elapsed: {0}ms", readTime);
//List<string> output = new List<string>(valuesReader.ValueCollections.Count);
//foreach (var valueCollection in valuesReader.ValueCollections)
//{
// output.Add(ValueCollectionToPrettyString(valueCollection));
//}
//long fullReadTime = readStopwatch.ElapsedMilliseconds;
//Console.WriteLine("Output elapsed: {0}ms", fullReadTime);
Console.WriteLine("Random access");
for (int i = 0; i < 50; i++)
{
DateTimeOffset timestamp = startTime + TimeSpan.FromMinutes(minutes * rand.NextDouble());
GetStreamValueArgsWriter getValueArgs = new GetStreamValueArgsWriter(streamCellId, timestamp.UtcTicks);
Stopwatch sw = Stopwatch.StartNew();
var randomSeekValueReader = Global.CloudStorage.GetStreamValueToTempanyServer(0, getValueArgs);
long swElapsed = sw.ElapsedMilliseconds;
Console.WriteLine("{0}ms - {1}", swElapsed, ValueCollectionToPrettyString(randomSeekValueReader));
}
Console.ReadKey();
}
