public object Clone()
{
DataSourceStats clone = new DataSourceStats(this.dataSource);
clone.total = this.total;
clone.discarded = this.discarded;
return(clone);
}
internal DataSource(TimeSeriesDatabase database, DataSourceDto dto)
{
this.database = database;
this.archives = new Archive.ArchiveCollection(this);
this.stats = new DataSourceStats(this);
this.range = new Range();
FixupProperties(dto);
FixupArchives(dto);
}
/// <summary>
/// Initialises a data source
/// </summary>
/// <param name="database">Database to exist within</param>
/// <param name="template">Data source template</param>
internal DataSource(TimeSeriesDatabase database, DataSourceTemplate template)
{
this.database = database;
this.Name = template.Name;
this.ConversionFunction = template.ConversionFunction;
this.CreateConversionFunction();
this.PollingInterval = template.PollingInterval;
this.range = new Range(template.MinThreshold, template.MaxThreshold);
this.archives = new Archive.ArchiveCollection(this);
this.stats = new DataSourceStats(this);
}
/// <summary>
/// Push a collection of readings into each archive for consolidation
/// </summary>
/// <param name="newReadings">Readings to be consolidated</param>
public void Push(Reading[] newReadings)
{
List <Reading> validReadings = new List <Reading>();
DataSourceStats originalStats = this.stats.Clone() as DataSourceStats;
/*
* Validate the new readings are within the thresholds specified
* for the data source and are not timestamped as being recorded
* prior to the most recent reading
*/
foreach (Reading newReading in newReadings)
{
// Make sure the value is within the expected range
if (this.range.IsValid(newReading.Value) != true)
{
// ERROR: Reading is outside expected range
this.stats.IncrementDiscarded();
continue;
}
if (newReading.Timestamp <= this.LastUpdateTimestamp)
{
/*
* ERROR: Reading timestamp is prior to the most recent
* timestamp seen by the data source
*/
this.stats.IncrementDiscarded();
continue;
}
Reading processedReading = this.CreateConversionFunction().PreProcessReading(newReading);
validReadings.Add(processedReading);
/*
* The last reading should be the none-processed reading, not the one
* that has been processed by the conversion function
*/
this.lastReading = newReading;
this.stats.IncrementTotal();
}
if (validReadings.Count > 0)
{
/*
* Push the new readings into each archive in turn...this will result
* in zero or more data points being consolidated inside each archive
*/
foreach (Archive archive in this.archives)
{
archive.Push(validReadings.ToArray());
}
// Save the last reading
PersistLastReading();
}
if (originalStats != this.stats)
{
// Save the new reading stats
this.stats.Update();
}
}
internal void Add(DataSourceStats stats)
{
this.dataSourceStats.Add(stats);
}