public void ReadAll(bool ReadRemoved = false)
{
allRecords = new List <T>();
OpenMainRead();
BaseClass trash = (BaseClass)Activator.CreateInstance(typeof(T));
int line = Convert.ToInt32(mainFile.Length) / trash.RowSize();
for (int id = 0; id < line; id++)
{
Tuple <BaseClass, Dictionary <PropertyInfo, int> > fillingLog;
fillingLog = FileOps.ReadSingleRecord(mainFile, id + 1, typeof(T));
BaseClass rec = fillingLog.Item1;
if (ReadRemoved || !rec.removed)
{
allRecords.Add((T)rec);
foreach (KeyValuePair <PropertyInfo, int> kp in fillingLog.Item2) //OTOReq'ler
{
object dbset = ctx.GetDBSetByType(kp.Key.PropertyType);
if (kp.Value == -1) //null, okumaya çalışma!
{
continue;
}
Tuple <object, PropertyInfo, int> RecordToBeFilled = new Tuple <object, PropertyInfo, int>(fillingLog.Item1, kp.Key, kp.Value);
object[] parameters = { new OTOReq(fillingLog.Item1, kp.Key, kp.Value) };
dbset.GetType().GetMethod("AddOTOReq").Invoke(dbset, parameters);
}
foreach (PropertyInfo OTM in trash.OTM_One())
{
if (OTM.GetValue(fillingLog.Item1) == null)
{
OTM.SetValue(OTM.GetValue(fillingLog.Item1), Activator.CreateInstance(OTM.PropertyType));
}
object dbset = ctx.GetDBSetByType(OTM.PropertyType.GetGenericArguments()[0]);
object[] parameters = { new Tuple <object, PropertyInfo>(fillingLog.Item1, OTM) };
dbset.GetType().GetMethod("AddOTMReq").Invoke(dbset, parameters);
}
//MTM
ReadMTM(fillingLog.Item1);
}
}
mainFile.Close();
}
/// <summary>
/// Reads the middle table of many-to-many relationship. Bad performance currently, because it reads the
/// middle file everytime a record is read.
/// </summary>
/// <param name="rec"></param>
public void ReadMTM(BaseClass rec)
{
foreach (MTMRelationInfo mtmInfo in rec.MTMInfoList())
{
String filepath = Path.Combine(ctx.DatabaseFolder, mtmInfo.tableName) + ".dat"; //mtm middle tablo yolu
Stream mtmStream = File.OpenRead(filepath);
int line = Convert.ToInt32(mtmStream.Length / (sizeof(int) * 3));
List <MTMRec> mtmRecs = new List <MTMRec>(); //middle tablo kayıtları
for (int i = 0; i < line; i++)
{
Tuple <DKDB.BaseClass, Dictionary <PropertyInfo, int> > fillingLog;
fillingLog = FileOps.ReadSingleRecord(mtmStream, i + 1, typeof(MTMRec));
mtmRecs.Add((MTMRec)fillingLog.Item1);
}
mtmStream.Close();
int my_id_column = WhoAmI(mtmInfo.tableName); //MTMRec içinde id1 mi benim sütunum yoksa id2 mi? ctx'teki sıraya göre kontrol edilir
MTMReq mtmReq = new MTMReq(rec, mtmInfo.OwnMTMProp);
foreach (MTMRec mtmRec in mtmRecs) //her bir middle tablo kaydı için:
{
if (my_id_column == 1 && mtmRec.id_1 == rec.id)
{
mtmReq.AddOppId(mtmRec.id_2);//opposite id
}
else if (my_id_column == 2 && mtmRec.id_2 == rec.id)
{
mtmReq.AddOppId(mtmRec.id_1);//opposite id
}
}
KeyValuePair <string, Tuple <Type, Type> > kp = BaseClass.AllMTMRelations.FirstOrDefault(r => r.Key == mtmInfo.tableName);
object opposite_dbset = ctx.GetDBSetByType(my_id_column == 1 ? kp.Value.Item2 : kp.Value.Item1);
object[] parameters = new object[1];
parameters[0] = mtmReq; //list of ids of the records that we want to read from opposite db
PropertyInfo fi = opposite_dbset.GetType().GetProperty("MTMReqList");
List <MTMReq> rtbfMTM = fi.GetValue(opposite_dbset) as List <MTMReq>;
rtbfMTM.GetType().GetMethod("Add").Invoke(rtbfMTM, parameters);
}
}