internal static void AddTransaction( TransactionKey tk, DbTransaction dt )
{
CleanUpStaleTransactions();
if ( dt.Connection.State != System.Data.ConnectionState.Closed || dt.Connection.State != System.Data.ConnectionState.Broken )
{
if ( !Instance.Stack.ContainsKey( tk ) )
{
tk.Connection = dt.Connection;
dt.Connection.StateChange += new System.Data.StateChangeEventHandler( Connection_StateChange );
dt.Connection.Disposed += new EventHandler( Connection_Disposed );
Instance.Stack.Add( tk, dt );
}
}
else
{
throw new PersistenceException(
String.Format( System.Globalization.CultureInfo.InvariantCulture,
"Connection is currently unusable; Transaction was not added. Connection.State was: {0}",
dt.Connection.State.ToString() ) );
}
}
internal static TransactionKey Generate( DbConnection connection )
{
TransactionKey tk = new TransactionKey( TransactionKeyType.Internal );
tk.Connection = connection;
TransactionManager.AddTransaction( tk, connection.BeginTransaction( IsolationLevel.Serializable ) );
return ( tk );
}
internal DbTransaction this[TransactionKey key]
{
get { return ( Instance.Stack[ key ] ); }
}
internal static void RollbackTransaction( TransactionKey tk )
{
Instance[tk].Rollback();
tk.Status = TransactionStatus.RolledBack;
}
internal static void RemoveTransaction( TransactionKey tk )
{
if ( Instance.Stack.ContainsKey( tk ) ) Instance.Stack.Remove( tk );
}
internal static bool ContainsTransactionKey( TransactionKey tk )
{
return ( Instance.Stack.ContainsKey( tk ) );
}
internal static void CommitTransaction( TransactionKey tk )
{
Instance[tk].Commit();
tk.Status = TransactionStatus.Commited;
}
