/// <summary>
/// Persist in disk all changed from last BeginTrans()
/// Returns true if real commit was done (false to nested commit only)
/// </summary>
public bool Commit()
{
var commit = false;
// only do "real commit" if is last transaction in stack or if autocommit = false
if (_transactions.Count == 1)
{
_trans.Commit();
commit = true;
}
// if contains transactions on stack, remove top and dispose (only last transaction will release lock)
if (_transactions.Count > 0)
{
_transactions.Pop().Dispose();
}
return(commit);
}
/// <summary>
/// Encapsulate all transaction commands in same data structure
/// </summary>
private T Transaction <T>(string colName, bool addIfNotExists, Func <CollectionPage, T> action)
{
lock (_locker)
try
{
_transaction.Begin();
var col = this.GetCollectionPage(colName, addIfNotExists);
var result = action(col);
_transaction.Commit();
return(result);
}
catch (Exception ex)
{
_log.Write(Logger.ERROR, ex.Message);
_transaction.Rollback();
throw;
}
}