void Open()
{
const int BUFFER_SIZE = 4096;
System.Diagnostics.Debug.WriteLine("Ouverture du fichier {0}.", m_filePath);
m_dataFile = new System.IO.FileStream(m_filePath,
System.IO.FileMode.Open,
System.IO.FileAccess.ReadWrite,
System.IO.FileShare.Read,
BUFFER_SIZE,
System.IO.FileOptions.RandomAccess);
var tr = new TableReader(m_dataFile);
try
{
Header.Load(tr);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
m_dataFile.Dispose();
m_dataFile = null;
throw new CorruptedFileException(m_filePath, innerException: ex);
}
m_reader = new TableReader(m_dataFile);
m_writer = new TableWriter(m_dataFile);
}
//private:
void Create()
{
const int BUFFER_SIZE = 4096;
System.Diagnostics.Debug.WriteLine("Création de fichier {0}.", m_filePath);
m_dataFile = new System.IO.FileStream(m_filePath,
System.IO.FileMode.CreateNew,
System.IO.FileAccess.ReadWrite,
System.IO.FileShare.Read,
BUFFER_SIZE,
System.IO.FileOptions.RandomAccess);
Header.Reset();
var tw = new TableWriter(m_dataFile);
Header.Store(tw);
m_reader = new TableReader(m_dataFile);
m_writer = new TableWriter(m_dataFile);
}
//public:
public FramedTable(uint id, string name, string filePath) :
base(id, name, filePath)
{
m_insertBuffer = new byte[FrameSize];
m_insertWriter = new TableWriter(new MemoryStream(m_insertBuffer));
}