private void LoadWriteActions(string filename, bool apply)
{
Log4NetHelper.Instance.LogDebugMessage(string.Format("OdbTransaction: Load write actions of {0}", filename));
CheckFileAccess(filename);
_fsi.SetReadPosition(0);
_isCommited = _fsi.ReadByte() == 1;
_creationDateTime = _fsi.ReadLong();
var totalNumberOfWriteActions = _fsi.ReadLong();
Log4NetHelper.Instance.LogInfoMessage(string.Concat("OdbTransaction: ", _writeActions.Count.ToString(), " write actions in file"));
for (var i = 0; i < totalNumberOfWriteActions; i++)
{
var defaultWriteAction = WriteAction.Read(_fsi);
if (apply)
{
defaultWriteAction.ApplyTo(_fsiToApplyWriteActions);
defaultWriteAction.Clear();
}
else
{
AddWriteAction(defaultWriteAction, false);
}
}
if (apply)
{
_fsiToApplyWriteActions.Flush();
}
}
private void LoadWriteActions(string filename, bool apply)
{
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Debug(string.Format("OdbTransaction: Load write actions of {0}", filename));
}
CheckFileAccess(filename);
_fsi.SetReadPosition(0);
_isCommited = _fsi.ReadByte() == 1;
_creationDateTime = _fsi.ReadLong();
var totalNumberOfWriteActions = _fsi.ReadLong();
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Concat("OdbTransaction: ", _writeActions.Count.ToString(), " write actions in file"));
}
for (var i = 0; i < totalNumberOfWriteActions; i++)
{
var defaultWriteAction = WriteAction.Read(_fsi);
if (apply)
{
defaultWriteAction.ApplyTo(_fsiToApplyWriteActions);
defaultWriteAction.Clear();
}
else
{
AddWriteAction(defaultWriteAction, false);
}
}
if (apply)
{
_fsiToApplyWriteActions.Flush();
}
}
/// <summary>
/// Mark te transaction file as committed
/// </summary>
private void SetCommited()
{
_isCommited = true;
CheckFileAccess(null);
// TODO Check atomicity
// Writes the number of write actions after the byte and date
_fsi.SetWritePositionNoVerification(OdbType.Byte.Size + OdbType.Long.Size, false);
_fsi.WriteLong(_numberOfWriteActions, false);
// FIXME The fsi.flush should not be called after the last write?
_fsi.Flush();
// Only set useBuffer = false when it is a local database to avoid
// net io overhead
_fsi.SetWritePositionNoVerification(0, false);
_fsi.WriteByte(1, false);
}
