/// <summary>
/// Complete transaction commit dirty pages and closing data file
/// </summary>
public void Complete(LiteTransaction trans)
{
lock (_activeTransactions)
{
popTopTransaction(trans);
// check if trans are last transaction in stack
if (_activeTransactions.Count > 0)
{
return;
}
if (_cache.HasDirtyPages)
{
// save dirty pages
this.Save();
// delete journal file - datafile is consist here
_disk.DeleteJournal();
}
// clear all pages in cache
_cache.Clear();
// close datafile
_disk.Close();
}
}
private void popTopTransaction(LiteTransaction trans)
{
var temp = _activeTransactions.Peek();
if (temp != trans)
{
throw new ArgumentException("Invalid transaction on top of stack");
}
_activeTransactions.Pop();
}
/// <summary>
/// Starts a new transaction - lock database to garantee that only one processes is in a transaction
/// </summary>
public LiteTransaction Begin(bool readOnly)
{
lock (_activeTransactions)
{
_disk.Open(readOnly);
var trans = new LiteTransaction(this);
_activeTransactions.Push(trans);
return(trans);
}
}