static void EntityType_BeforeDel(Xy.Data.Procedure procedure, Xy.Data.DataBase DB)
{
short inID = Convert.ToInt16(procedure.GetItem("ID"));
EntityType _type = GetInstance(inID);
System.Data.DataTable _childTypies = GetChildType(inID);
foreach (System.Data.DataRow _childTypeRow in _childTypies.Rows) {
EntityType _childType = new EntityType();
_childType.Fill(_childTypeRow);
Del(_childType.ID);
}
StringBuilder _dropTableProcedure = new StringBuilder();
foreach (System.Data.DataRow _multiAttrsRow in EntityAttribute.GetByTypeID(inID).Rows) {
EntityAttribute _attr = new EntityAttribute();
_attr.Fill(_multiAttrsRow);
if (_attr.IsMultiple) {
_dropTableProcedure.AppendLine(string.Format(_commandPartern_Del, "Entity_" + _type.Key + "_" + _attr.Key));
}
}
_dropTableProcedure.AppendLine(string.Format(_commandPartern_Del, "Entity_" + _type.Key));
Xy.Data.Procedure _deleteRelativeTable = new Xy.Data.Procedure("DeleteRelativeTable", _dropTableProcedure.ToString());
Xy.Data.Procedure _deleteRelativeEntityBase = new Xy.Data.Procedure("DeleteRelativeEntityBase", "Delete from [EntityBase] where [TypeID] = @ID", new Xy.Data.ProcedureParameter[] { new Xy.Data.ProcedureParameter("ID", System.Data.DbType.Int64) });
_deleteRelativeEntityBase.SetItem("ID", inID);
_deleteRelativeTable.InvokeProcedure(DB);
_deleteRelativeEntityBase.InvokeProcedure(DB);
}
internal EntityTypeCacheItem(short TypeID, Xy.Data.DataBase DB = null)
{
_hasMuli = false;
_type = EntityType.GetInstance(TypeID);
System.Data.DataTable _attrsTable = EntityAttribute.GetByTypeID(TypeID, DB);
_attrs = new EntityAttribute[_attrsTable.Rows.Count + 4];
_attrKeys = new string[_attrsTable.Rows.Count + 4];
_attrNames = new string[_attrsTable.Rows.Count + 4];
List<string> _tempRelatedTables = new List<string>();
_tempRelatedTables.Add("EntityBase");
for (int i = 0; i < 4; i++) {
EntityAttribute _item = null;
switch (i) {
case 0:
_item = new EntityAttribute() {
ID = -1, TypeID = -1, Name = "ID", Key = "ID",
Type = "System.Data.DbType.Int64|", Default = string.Empty,
IsMultiple = false, IsNull = false, Split = string.Empty, Description = "Defaut attirbute",
Display = -1
};
break;
case 1:
_item = new EntityAttribute() {
ID = -1, TypeID = -1, Name = "TypeID", Key = "TypeID",
Type = "System.Data.DbType.Int16|", Default = string.Empty,
IsMultiple = false, IsNull = false, Split = string.Empty, Description = "Defaut attirbute",
Display = -1
};
break;
case 2:
_item = new EntityAttribute() {
ID = -1, TypeID = -1, Name = "IsActive", Key = "IsActive",
Type = "System.Data.DbType.Boolean|", Default = string.Empty,
IsMultiple = false, IsNull = false, Split = string.Empty, Description = "Defaut attirbute",
Display = -1
};
break;
case 3:
_item = new EntityAttribute() {
ID = -1, TypeID = -1, Name = "UpdateTime", Key = "UpdateTime",
Type = "System.Data.DbType.DateTime|", Default = string.Empty,
IsMultiple = false, IsNull = false, Split = string.Empty, Description = "Defaut attirbute",
Display = -1
};
break;
}
_attrs[i] = _item;
_attrKeys[i] = _item.Key;
_attrNames[i] = _item.Name;
_attrDict.Add(_item.Key, i);
}
for (int i = 0; i < _attrsTable.Rows.Count; i++) {
EntityAttribute _item = new EntityAttribute();
_item.Fill(_attrsTable.Rows[i]); //descrease make more comfortable and read-able sense
if (_item.IsMultiple) _hasMuli = true;
if (!_tempRelatedTables.Contains(_item.Table)) _tempRelatedTables.Add(_item.Table);
_attrs[i + 4] = _item;
_attrKeys[i + 4] = _item.Key;
_attrNames[i + 4] = _item.Name;
_attrDict.Add(_item.Key, i + 4);
}
_relatedTables = _tempRelatedTables.ToArray();
}
public static EntityType GetInstance(short inID, Xy.Data.DataBase DB = null)
{
System.Data.DataTable result = Get(inID, DB);
if (result.Rows.Count > 0) {
EntityType temp = new EntityType();
temp.Fill(result.Rows[0]);
return temp;
}
return null;
}