internal View SetView(Table tmp, string nm, mpIndexKey rky)
{
SyncView.WaitOne();
View vw;
if (ViewList.TryGetValue(rky, out vw))
{
vw.Grow();
SyncView.ReleaseMutex();
return(vw);
}
vw = new View();
if (nm == null || nm.Length == 0)
{
nm = Alias + ViewList.Count.ToString();
vw.delete = true;
}
DataFile.Blank(tmp, Struct.RowLength);
if (vw.MustBuild(nm, Struct.LastUpdate, rky, tmp))
{
long r, x;
x = Struct.RowCount;
for (r = 1; r <= x; r++)
{
Read(tmp, r);
vw.AddKey(tmp, r);
}
}
ViewList.Add(rky, vw);
SyncView.ReleaseMutex();
return(vw);
}
public Index(string nm, ushort kl, DateTime udTime)
{
int sz = DataFile.GetSize(Root);
if (DataFile.Exists(nm, "Index"))
{
File = DataFile.Open(nm, "Index", FileMode.Open);
File.Read(Root, DataFile.coSignatureSz, sz);
if (DateTime.Compare(Root.LastUpdate, udTime) >= 0 && Root.Closed)
{
Root.Closed = false;
File.Lock(Root);
File.Write(Root);
return;
}
File.Close();
DataFile.Delete(nm, "Index");
}
File = DataFile.Open(nm, "Index", FileMode.CreateNew);
DataFile.Blank(Root, sz);
Root.KeyLength = kl;
Root.Closed = false;
Root.PageSize = (ushort)DataFile.GetSize(new IdxPage(0, 0, 0, kl));
File.Append(Root, sz);
File.Lock(Root);
}
internal void Blank(Table obj)
{
DataFile.Blank(obj, Struct.RowLength);
}