private void GetUpdatedLogHeaderIndexRange(ChannelDataReader reader, string[] mnemonics, Dictionary <string, Range <double?> > ranges, bool increasing = true)
{
for (var i = 0; i < mnemonics.Length; i++)
{
var mnemonic = mnemonics[i];
Range <double?> current;
if (!ranges.TryGetValue(mnemonic, out current))
{
current = new Range <double?>(null, null);
}
var update = reader.GetChannelIndexRange(i);
var start = current.Start;
var end = current.End;
if (!current.Start.HasValue || !update.StartsAfter(current.Start.Value, increasing))
{
start = update.Start;
}
if (!current.End.HasValue || !update.EndsBefore(current.End.Value, increasing))
{
end = update.End;
}
ranges[mnemonic] = new Range <double?>(start, end);
}
}
/// <summary>
/// Updates the channel data for the specified data object URI.
/// </summary>
/// <param name="uri">The parent data object URI.</param>
/// <param name="reader">The update reader.</param>
public void UpdateChannelData(EtpUri uri, ChannelDataReader reader)
{
// TODO: Transaction support needed here
Logger.Debug($"Updating channel data for URI: {uri}");
// Capture primary index info when auto-creating data object
var indexInfos = Exists(uri) ? null : reader.Indices;
var offset = reader.Indices.Take(1).Select(x => x.IsTimeIndex).FirstOrDefault()
? reader.GetChannelIndexRange(0).Offset
: null;
// Ensure data object and parent data objects exist
var dataProvider = Container.Resolve <IEtpDataProvider>(new ObjectName(uri.ObjectType, uri.Version));
dataProvider.Ensure(uri);
// Only use the URI of the channelSet as it is a top level object
uri = EtpUris.Witsml200.Append(ObjectTypes.ChannelSet, uri.ObjectId);
reader.Uri = uri.Uri;
if (indexInfos != null)
{
// Update data object with primary index info after it has been auto-created
UpdateIndexInfo(uri, indexInfos, offset);
}
// Ensure all logCurveInfo elements exist
UpdateChannels(uri, reader, offset);
// Update channel data and index range
UpdateChannelDataAndIndexRange(uri, reader);
}
public void ChannelDataReader_Can_Calculate_Channel_Min_Max_Indices_With_Multiple_Values()
{
var reader = new ChannelDataReader(UpdateLogData3, new[] { "ROP", "GR", "HKLD" })
.WithIndex("MD", "m", true, false);
Assert.AreEqual(1, reader.Depth);
Assert.AreEqual(4, reader.FieldCount);
Assert.AreEqual(6, reader.RecordsAffected);
var range = reader.GetChannelIndexRange(reader.GetOrdinal("GR"));
Assert.AreEqual(3.5, range.Start);
Assert.AreEqual(7.0, range.End);
}
