public ulong AppendCommitPoint(CommitPoint newCommitPoint, bool overwrite = false)
{
if (overwrite)
{
Logging.LogDebug("AppendCommitPoint: Overwrite requested. Deleting existing master file at '{0}'",
_masterFilePath);
_persistenceManager.DeleteFile(_masterFilePath);
_commitPoints.Clear();
}
if (!_persistenceManager.FileExists(_masterFilePath))
{
Logging.LogDebug("AppendCommitPoint: Master file not found at '{0}'. Creating new master file.",
_masterFilePath);
using (var stream = _persistenceManager.GetOutputStream(_masterFilePath, FileMode.Create))
{
Save(stream);
}
}
using (var stream = _persistenceManager.GetOutputStream(_masterFilePath, FileMode.Open))
{
stream.Seek(0, SeekOrigin.End);
newCommitPoint.Save(stream);
_commitPoints.TryAdd(stream.Length - CommitPoint.RecordSize, newCommitPoint);
return(newCommitPoint.CommitNumber);
}
}
public ulong AppendCommitPoint(CommitPoint newCommitPoint, bool overwrite = false)
{
if (overwrite)
{
Logging.LogDebug("AppendCommitPoint: Overwrite requested. Deleting existing master file at '{0}'",
_masterFilePath);
_persistenceManager.DeleteFile(_masterFilePath);
}
if (!_persistenceManager.FileExists(_masterFilePath))
{
Logging.LogDebug("AppendCommitPoint: Master file not found at '{0}'. Creating new master file.",
_masterFilePath);
using (var stream = _persistenceManager.GetOutputStream(_masterFilePath, FileMode.Create))
{
Save(stream);
}
}
using (var stream = _persistenceManager.GetOutputStream(_masterFilePath, FileMode.Open))
{
stream.Seek(0, SeekOrigin.End);
newCommitPoint.Save(stream);
return newCommitPoint.CommitNumber;
}
}
