/// <summary> /// Can return NULL (if DbIsNotOperatable) /// </summary> /// <param name="tableName"></param> /// <param name="transactionThreadId"></param> /// <returns></returns> public LTrie GetTable_WRITE(string tableName, int transactionThreadId) { if (!this._engine.DBisOperable) { return(null); } TransactionUnit transactionUnit = this.GetTransactionUnit(transactionThreadId); if (transactionUnit != null) { #if NET35 || NETr40 if (System.Threading.Thread.CurrentThread.ManagedThreadId != transactionThreadId) #else if (Environment.CurrentManagedThreadId != transactionThreadId) #endif { this.UnregisterTransaction(transactionThreadId); throw DBreezeException.Throw(DBreezeException.eDBreezeExceptions.TRANSACTION_CANBEUSED_FROM_ONE_THREAD); } //We must put Get_Table_Write through the same bottleneck as RegisterWriteTablesForTransaction this.RegisterWriteTablesForTransaction(transactionThreadId, new List <string> { tableName }, false); //it will wait here till table for writing, reserved by other thread is released LTrie tbl = null; try { tbl = this._engine.DBreezeSchema.GetTable(tableName); //Adding table to transaction unit with the ITransactable interface transactionUnit.AddTransactionWriteTable(tableName, tbl); //added together with ITransactable //TODO - THIS TABLE LTrie must be Interfaced //Telling to the table that transactionThreadId Thread will modify it tbl.ModificationThreadId(transactionThreadId); } catch (Exception ex) { //Exception must come from Schema, by in-ability to get the table this.UnregisterTransaction(transactionThreadId); //CIRCULAR PARTLY throw ex; } return(tbl); } else { throw DBreezeException.Throw(DBreezeException.eDBreezeExceptions.TRANSACTION_DOESNT_EXIST); } }