/// <summary>
/// Updates database if the original source text file still exists and has
/// been modified. All series data is replaced with the source file contents
/// </summary>
private void Update()
{
if (m_db == null)
{
return;
}
Logger.WriteLine("Checking series " + Name + " (" + ID + ") for updates");
string dir = Path.GetDirectoryName(m_db.DataSource);
bool canUpdate = CanUpdateFromFile(ConnectionString, dir);
if (canUpdate)
{
string fileName = ConnectionStringUtility.GetToken(ConnectionString, "FileName", "");
if (!Path.IsPathRooted(fileName))
{
fileName = Path.Combine(dir, fileName);
}
Logger.WriteLine("Updating: File has changed " + fileName);
TextSeries ts = TextSeries.ReadFromFile(fileName);
ConnectionString = ts.ConnectionString;
ConnectionString = ConnectionStringUtility.MakeFileNameRelative(ConnectionString, m_db.DataSource);
m_db.SaveProperties(this); // last write time needs to be updated.
m_db.SaveTimeSeriesTable(ID, ts, DatabaseSaveOptions.DeleteAllExisting);
}
}
public static TextSeries ReadFromFile(string fileName)
{
TextSeries s = new TextSeries(fileName);
s.Read();
return(s);
}