/// <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);
}
}