public void LogExtensions_IsIncreasing_Returns_Bool_For_131_Log_Direction()
{
var log = new Witsml131.Log
{
Direction = Witsml131.ReferenceData.LogIndexDirection.increasing
};
Assert.IsTrue(log.IsIncreasing());
log.Direction = Witsml131.ReferenceData.LogIndexDirection.decreasing;
Assert.IsFalse(log.IsIncreasing());
}
/// <summary>
/// Gets a <see cref="ChannelDataReader" /> for a <see cref="Witsml131.Log" />.
/// </summary>
/// <param name="log">The <see cref="Witsml131.Log" /> instance.</param>
/// <returns>A <see cref="ChannelDataReader" />.</returns>
public static ChannelDataReader GetReader(this Witsml131.Log log)
{
if (log?.LogData == null || !log.LogData.Any())
{
return(null);
}
_log.DebugFormat("Creating ChannelDataReader for {0}", log.GetType().FullName);
var isTimeIndex = log.IsTimeLog();
var increasing = log.IsIncreasing();
// Split index curve from other value curves
var indexCurve = log.LogCurveInfo.GetByMnemonic(log.IndexCurve?.Value);
var logCurveInfos = log.LogCurveInfo.Where(x => x != indexCurve).OrderBy(x => x.ColumnIndex.GetValueOrDefault()).ToList();
var mnemonics = logCurveInfos.Select(x => x.Mnemonic).ToArray();
var units = logCurveInfos.Select(x => x.Unit).ToArray();
var dataTypes = logCurveInfos.Select(x => x.TypeLogData?.ToString()).ToArray();
var nullValues = logCurveInfos.Select(x => x.NullValue).ToArray();
return(new ChannelDataReader(log.LogData, mnemonics.Length + 1, mnemonics, units, dataTypes, nullValues, log.GetUri())
// Add index curve to separate collection
.WithIndex(indexCurve.Mnemonic, indexCurve.Unit, increasing, isTimeIndex));
}
