public void Update(object o)
{
//NextSeq(o);
var type = o.GetType();
var mem = loadedTypes[type];
string tableName = mem.TableName;
string upd = "update " + tableName + " set ";
List <object> pps = new List <object>();
int k = 0;
foreach (var c in mem.fields)
{
string ctype = GetSqlTypeByMem(c.Mem);
var cl = GetTypeClassByMem(c.Mem);
string name = c.colName;
upd += name + " = " + conf.parPre + "p" + k++ + ",";
switch (cl)
{
case HidTypeInfo.HibTypeClass.Def:
pps.Add(c.GetValue(o));
break;
case HidTypeInfo.HibTypeClass.External:
var idb = loadedTypes[c.type].idInfo.GetValue(c.GetValue(o));
if (InBase(idb, c.type))
{
pps.Add(idb);
}
else
{
throw new NonLoadedExternalDate();
}
break;
case HidTypeInfo.HibTypeClass.Xml:
pps.Add(XmlSer.ToXmlString(c.GetValue(o), c.type));
break;
default:
throw new HidException();
}
}
upd = upd.TrimEnd(',');
upd += " where " + mem.idInfo.colName + " = " + conf.parPre + "pid";
using (var com = m_connection.CreateCommand())
{
DbParameter p;
com.Transaction = m_tranaction;
com.CommandText = upd;
for (int i = 0; i < k; i++)
{
p = com.CreateParameter();
p.ParameterName = "p" + i;
p.Value = pps[i];
com.Parameters.Add(p);
}
p = com.CreateParameter();
p.ParameterName = "pid";
p.Value = mem.idInfo.GetValue(o);
com.Parameters.Add(p);
com.ExecuteNonQuery();
}
}
object Load(object id, Type type)
{
if (!loadedTypes.ContainsKey(type))
{
throw new NonLOadadTypeError();
}
object ret = Activator.CreateInstance(type);
// Type type = typeof(T);
var mem = loadedTypes[type];
string tableName = mem.TableName;
using (var com = m_connection.CreateCommand())
{
com.Transaction = m_tranaction;
com.CommandText = "select * from " + tableName + " where " + IdByType(type) + " = " + conf.parPre + "p";
com.Parameters.Clear();
var p = com.CreateParameter();
// p.DbType = System.Data.DbType.
p.ParameterName = "p";
p.Value = id;
com.Parameters.Add(p);
using (var rd = com.ExecuteReader())
{
if (!rd.Read())
{
return(ret);
}
var r = UtilsClass.ReaderToDic(rd); // да костыль но в некоторых БД по другому ни как.
rd.Close();
foreach (var c in mem.fields)
{
string name = c.colName;
var cl = GetTypeClassByMem(c.Mem);
switch (cl)
{
case HidTypeInfo.HibTypeClass.Def:
c.SetValue(ret, Convert.ChangeType(r[name], c.type));
break;
case HidTypeInfo.HibTypeClass.External:
if (!loadedTypes.ContainsKey(c.type))
{
throw new NonLOadadTypeError();
}
var i = Convert.ChangeType(r[name], loadedTypes[c.type].idInfo.type);
c.SetValue(ret, Load(i, c.type));
break;
case HidTypeInfo.HibTypeClass.Xml:
c.SetValue(ret, XmlSer.FromString(r[name].ToString(), c.type));
break;
default:
throw new HidException();
}
}
}
}
return(ret);
}
public void Save(object o)
{
NextSeq(o);
var type = o.GetType();
var mem = loadedTypes[type];
string tableName = mem.TableName;
string inst = "insert into " + tableName + " (";
string inst2 = " VALUES ( ";
List <object> pps = new List <object>();
int k = 0;
foreach (var c in mem.fields)
{
string ctype = GetSqlTypeByMem(c.Mem);
var cl = GetTypeClassByMem(c.Mem);
string name = c.colName;
inst += name + ",";
inst2 += conf.parPre + "p" + k++ + ",";
switch (cl)
{
case HidTypeInfo.HibTypeClass.Def:
pps.Add(c.GetValue(o));
break;
case HidTypeInfo.HibTypeClass.External:
var idb = loadedTypes[c.type].idInfo.GetValue(c.GetValue(o));
if (InBase(idb, c.type))
{
pps.Add(idb);
}
else
{
throw new NonLoadedExternalDate();
}
break;
case HidTypeInfo.HibTypeClass.Xml:
pps.Add(XmlSer.ToXmlString(c.GetValue(o), c.type));
break;
default:
throw new HidException();
}
}
inst = inst.TrimEnd(',');
inst2 = inst2.TrimEnd(',');
inst += ") " + inst2 + ")";
using (var com = m_connection.CreateCommand())
{
com.Transaction = m_tranaction;
com.CommandText = inst;
for (int i = 0; i < k; i++)
{
var p = com.CreateParameter();
p.ParameterName = "p" + i;
p.Value = pps[i];
com.Parameters.Add(p);
}
com.ExecuteNonQuery();
}
}
