/// <summary>
/// creates a new instance of <see cref="TDMReader"/> and immediately opens the file provided in constructor parameters.
/// Throws <see cref="FileNotFoundException"/> if file is not existent or <see cref="ArgumentException"/> if file is not '*.tdm' file
/// </summary>
/// <param name="file"></param>
public TDMReader(FileInfo file)
{
if (!file.Exists)
{
throw new FileNotFoundException("Supplied file-path does not point to a file.");
}
if (!file.Extension.ToLowerInvariant().EndsWith($".{Constants.FileTypes.TDM.ToLowerInvariant()}"))
{
throw new ArgumentException($"Supplied parameter {nameof(file)} must be of type {Constants.FileTypes.TDM}.", nameof(file));
}
_fileHandle = NiLibDdcWrapper.OpenFile(file.FullName);
}
public IEnumerable <T> GetChannelData <T>(Channel channel) where T : IConvertible
{
return(NiLibDdcWrapper.GetChannelData <T>(channel));
}
public IEnumerable <Channel> GetChannels(ChannelGroup group)
{
return(NiLibDdcWrapper.GetChannels(group));
}
public IEnumerable <ChannelGroup> GetChannelGroups()
{
return(NiLibDdcWrapper.GetChannelGroups(_fileHandle));
}
public FileProperties GetFileProperties()
{
return(NiLibDdcWrapper.GetFileProperties(_fileHandle));
}
protected void CloseFile()
{
NiLibDdcWrapper.CloseFile(_fileHandle);
}
public IEnumerable <T> GetChannelData <T>(Channel channel, uint firstValueIndex = 0, uint numberOfValues = 0) where T : IConvertible
{
return(NiLibDdcWrapper.GetChannelData <T>(channel, firstValueIndex, numberOfValues));
}
