/// <summary>
/// Report an serious error. Those errors are usually a sign something in the work
/// of the application has gone seriously wrong, and operation can not continue
/// properly (for ex. unexpected exception, access to critical resources etc.)
/// </summary>
/// <param name="errorMessage"></param>
public static void Error(string errorMessage)
{
TracerHelper.TraceError(errorMessage);
if (GlobalDiagnosticsMode)
{
Debug.Fail(errorMessage);
}
}
/// <summary>
/// Helper, redefine with exception consumption.
/// </summary>
/// <param name="errorMessage"></param>
/// <param name="exception"></param>
public static void Error(string errorMessage, Exception exception)
{
errorMessage = ProcessExceptionMessage(errorMessage, exception);
TracerHelper.TraceError(errorMessage);
if (GlobalDiagnosticsMode)
{
Debug.Fail(errorMessage);
}
}
public void SaveToFile()
{
TracerHelper.Trace("[" + _fullFileName + "] invoked by: " + ReflectionHelper.GetFullCallingMethodName(2));
lock (this)
{
if (File.Exists(_fullFileName))
{// Rename the old file - keep it as archive.
TimeSpan span = DateTime.Now - new DateTime(DateTime.Now.Year, 1, 1);
string customTimeValue = "." + DateTime.Now.Year + "." + (int)span.TotalSeconds;
string newFileName = _fullFileName.ToLower().Replace("." + FileExtension, customTimeValue) + "." + FileExtension;
while (File.Exists(newFileName))
{
newFileName = newFileName.Replace("." + FileExtension, "X" + "." + FileExtension);
}
File.Move(_fullFileName, newFileName);
}
try
{
FileInfo fi = new FileInfo(_fullFileName);
if (fi.Directory.Exists == false)
{
fi.Directory.Create();
}
using (FileStream stream = new FileStream(_fullFileName, FileMode.Create, FileAccess.Write))
{
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(stream, _pendingSaveObjects);
stream.Close();
}
}
catch (Exception exception)
{
System.Diagnostics.Debug.Fail("Stream error.");
TracerHelper.TraceError("Error occured while creating file stream [" + exception.Message + "].");
}
}
}
public bool RestoreFromFile()
{
TracerHelper.Trace("[" + _fullFileName + "] invoked by: " + ReflectionHelper.GetFullCallingMethodName(2));
lock (this)
{
_restoredObjects.Clear();
if (File.Exists(_fullFileName) == false)
{
return(false);
}
try
{
using (FileStream stream = new FileStream(_fullFileName, FileMode.Open, FileAccess.Read))
{
BinaryFormatter formatter = new BinaryFormatter();
_restoredObjects = (Dictionary <string, PersistentData>)formatter.Deserialize(stream);
stream.Close();
}
// Transfer the restored info in the pending info places, where no info exists at all, to persist objects
// that are not currently active and will be restorable in the furure.
foreach (string id in _restoredObjects.Keys)
{
if (_pendingSaveObjects.ContainsKey(id) == false)
{
_pendingSaveObjects.Add(id, _restoredObjects[id]);
}
}
return(true);
}
catch (Exception exception)
{
System.Diagnostics.Debug.Fail("Stream error.");
TracerHelper.TraceError("Error occured while parsing file stream [" + exception.Message + "].");
}
}
return(false);
}
