public void SetPosition(FileId fileId, long pos)
{
var position = new FilePosition(fileId, pos);
_positions[fileId.BaseFileName] = position;
using (var stream = FileUtils.OpenFileStreamForWritingNoTruncate(GetTargetFileName(fileId.BaseFileName)))
using (var writer = new StreamWriter(stream))
{
FilePositionSerialiser.Write(position, writer);
}
}
public FilePosition GetPosition(string baseFileName)
{
FilePosition item;
if (_positions.TryGetValue(baseFileName, out item))
{
return(item);
}
else
{
string fileName = GetTargetFileName(baseFileName);
if (File.Exists(fileName))
{
using (var stream = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read))
using (var reader = new StreamReader(stream, Encoding.UTF8, false, 200))
{
return(FilePositionSerialiser.Read(baseFileName, reader));
}
}
return(null);
}
}