protected override void OnWrite(ChannelContextGroup contextGroup, ulong fileOffset, ulong bufferOffset, ulong length)
{
var projectDescription = this.DataWriterContext.ProjectDescription;
var dataFilePath = Path.Combine(this.DataWriterContext.DataDirectoryPath, $"{projectDescription.PrimaryGroupName}_{projectDescription.SecondaryGroupName}_{projectDescription.ProjectName}_V{projectDescription.Version }_{_lastFileStartDateTime.ToString("yyyy-MM-ddTHH-mm-ss")}Z_{contextGroup.SampleRate.SamplesPerDay}_samples_per_day.csv");
if (length <= 0)
{
throw new Exception(ErrorMessage.CsvWriter_SampleRateTooLow);
}
var simpleBuffers = contextGroup.ChannelContextSet.Select(channelContext => channelContext.Buffer.ToSimpleBuffer()).ToList();
using (StreamWriter streamWriter = new StreamWriter(File.Open(dataFilePath, FileMode.Append, FileAccess.Write)))
{
for (ulong rowIndex = 0; rowIndex < length; rowIndex++)
{
switch (_settings.RowIndexFormat)
{
case CsvRowIndexFormat.Index:
streamWriter.Write($"{string.Format(_nfi, "{0:N0}", fileOffset + rowIndex)};");
break;
case CsvRowIndexFormat.Unix:
streamWriter.Write($"{string.Format(_nfi, "{0:N5}", _unixStart + (double)((fileOffset + rowIndex) / contextGroup.SampleRate.SamplesPerSecond))};");
break;
default:
throw new NotSupportedException($"The row index format '{_settings.RowIndexFormat}' is not supported.");
}
for (int i = 0; i < simpleBuffers.Count; i++)
{
var value = simpleBuffers[i].Buffer[(int)(bufferOffset + rowIndex)];
streamWriter.Write($"{string.Format(_nfi, $"{{0:G{_settings.SignificantFigures}}}", value)};");
}
streamWriter.WriteLine();
}
}
}
protected override void OnWrite(ChannelContextGroup contextGroup, ulong fileOffset, ulong bufferOffset, ulong length)
{
long groupId = -1;
try
{
var firstChunk = (long)this.ToChunkIndex(fileOffset, contextGroup.SampleRate);
var lastChunk = (long)this.ToChunkIndex(fileOffset + length, contextGroup.SampleRate) - 1;
groupId = H5G.open(_fileId, $"/info");
_lastCompletedChunk = IOHelper.ReadDataset <double>(groupId, "last_completed_chunk").FirstOrDefault();
// this does not work in conjunction with multiple context groups
if (firstChunk <= _lastCompletedChunk)
{
// throw new Exception(ErrorMessage.Mat73Writer_ChunkAlreadyWritten);
}
// write data
for (int i = 0; i < contextGroup.ChannelContextSet.Count(); i++)
{
this.WriteData(fileOffset, bufferOffset, length, contextGroup.ChannelContextSet[i]);
}
// write last_completed_chunk
IOHelper.WriteDataset(groupId, "last_completed_chunk", new double[] { lastChunk });
}
finally
{
if (H5I.is_valid(groupId) > 0)
{
H5G.close(groupId);
}
H5F.flush(_fileId, H5F.scope_t.GLOBAL);
}
}
protected override void OnWrite(ChannelContextGroup contextGroup, ulong fileOffset, ulong bufferOffset, ulong length)
{
if (length <= 0)
{
throw new Exception(ErrorMessage.FamosWriter_SampleRateTooLow);
}
var simpleBuffers = contextGroup.ChannelContextSet.Select(channelContext => channelContext.Buffer.ToSimpleBuffer()).ToList();
var fieldIndex = _spdToFieldIndexMap[contextGroup.SampleRate.SamplesPerDay];
var field = _famosFile.Fields[fieldIndex];
_famosFile.Edit(writer =>
{
for (int i = 0; i < simpleBuffers.Count; i++)
{
var component = field.Components[i];
var data = simpleBuffers[i].Buffer.Slice((int)bufferOffset, (int)length);
_famosFile.WriteSingle(writer, component, (int)fileOffset, data);
}
});
}
