public static long ConvertVersion1FileHandleDuplicates(string oldFileName, string newFileName, EncodingDefinition compressionMethod, out long readTime, out long sortTime, out long writeTime)
{
if (!File.Exists(oldFileName))
{
throw new ArgumentException("Old file does not exist", "oldFileName");
}
if (File.Exists(newFileName))
{
throw new ArgumentException("New file already exists", "newFileName");
}
HistorianKey key = new HistorianKey();
HistorianValue value = new HistorianValue();
long startTime;
int count;
// Derived SortedPointBuffer class increments EntryNumbers instead of removing duplicates
SortedPointBuffer points;
startTime = DateTime.UtcNow.Ticks;
using (OldHistorianReader archiveFile = new OldHistorianReader())
{
archiveFile.Open(oldFileName);
count = archiveFile.PointsArchived;
points = new SortedPointBuffer(count, false);
foreach (OldHistorianReader.DataPoint point in archiveFile.Read())
{
key.Timestamp = (ulong)point.Timestamp.Ticks;
key.PointID = (ulong)point.PointID;
value.Value1 = BitConvert.ToUInt64(point.Value);
value.Value3 = (ulong)point.Flags;
points.TryEnqueue(key, value);
}
}
readTime = DateTime.UtcNow.Ticks - startTime;
startTime = DateTime.UtcNow.Ticks;
points.IsReadingMode = true;
sortTime = DateTime.UtcNow.Ticks - startTime;
startTime = DateTime.UtcNow.Ticks;
SortedTreeFileSimpleWriter <HistorianKey, HistorianValue> .Create(Path.Combine(FilePath.GetDirectoryName(newFileName), FilePath.GetFileNameWithoutExtension(newFileName) + ".~d2i"), newFileName, 4096, null, compressionMethod, points);
writeTime = DateTime.UtcNow.Ticks - startTime;
return(count);
}
void IArchive.WriteData(IDataPoint dataPoint)
{
HistorianKey key = new HistorianKey();
HistorianValue value = new HistorianValue();
key.PointID = (ulong)dataPoint.HistorianID;
key.Timestamp = (ulong)dataPoint.Time.ToDateTime().Ticks;
value.Value1 = BitConvert.ToUInt64(dataPoint.Value);
value.Value3 = (ulong)dataPoint.Quality.MeasurementQuality();
m_clientDatabase.Write(key, value);
}
/// <summary>
/// Publishes <paramref name="measurements"/> for archival.
/// </summary>
/// <param name="measurements">Measurements to be archived.</param>
protected override void ProcessMeasurements(IMeasurement[] measurements)
{
foreach (IMeasurement measurement in measurements)
{
m_key.Timestamp = (ulong)(long)measurement.Timestamp;
m_key.PointID = measurement.Key.ID;
// Since current time-series measurements are basically all floats - values fit into first value,
// this will change as value types for time-series framework expands
m_value.Value1 = BitConvert.ToUInt64((float)measurement.AdjustedValue);
m_value.Value3 = (ulong)measurement.StateFlags;
m_inputQueue.Enqueue(m_key, m_value);
}
m_measurementsPublished += measurements.Length;
}
