private void OnInit(Type type)
{
TableAttribute[] ta = Utils.GetTypeAttributes <TableAttribute>(type, false);
SelectChangeAttribute[] SCAS = Utils.GetTypeAttributes <SelectChangeAttribute>(type, true);
if (SCAS.Length > 0)
{
SelectChange = SCAS[0];
}
IDAttribute[] id;
ColumnAttribute[] col;
AggregationAttribute[] aggr;
PropertyCastAttribute[] pca;
PropertyMapper pm;
ValueAttribute[] val;
RelationAttribute[] ra;
if (ta.Length == 0)
{
throw new PeanutException(string.Format(DataMsg.OBJECT_NOT_MAPTOTABLE, type.FullName));
}
mTable = string.IsNullOrEmpty(ta[0].Name) ? ObjectType.Name : ta[0].Name;
if (ta[0].DISTINCT)
{
DISTINCT = " DISTINCT ";
}
else
{
DISTINCT = " ";
}
Connection = new ConnectionAttribute(ta[0].DefaultConnection);
foreach (PropertyInfo pi in type.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
id = Utils.GetPropertyAttributes <IDAttribute>(pi, false);
col = Utils.GetPropertyAttributes <ColumnAttribute>(pi, false);
aggr = Utils.GetPropertyAttributes <AggregationAttribute>(pi, false);
pca = Utils.GetPropertyAttributes <PropertyCastAttribute>(pi, false);
val = Utils.GetPropertyAttributes <ValueAttribute>(pi, false);
ra = Utils.GetPropertyAttributes <RelationAttribute>(pi, false);
if (pca.Length == 0)
{
pca = Utils.GetTypeAttributes <PropertyCastAttribute>(pi.PropertyType, false);
}
if (id.Length > 0)
{
if (ID != null)
{
throw new PeanutException(string.Format(DataMsg.REPEATE_DESC_ID, type.FullName));
}
ID = new PropertyMapper();
ID.OM = this;
ID.Validaters = Utils.GetPropertyAttributes <ValidaterAttribute>(pi, false);
ID.ColumnName = string.IsNullOrEmpty(id[0].Name) ? pi.Name : id[0].Name;
ID.Handler = new PropertyHandler(pi);
if (pca.Length > 0)
{
ID.Cast = pca[0];
}
if (val.Length > 0)
{
ID.Value = val[0];
}
mKeyByProperties.Add(ID.ColumnName, ID);
foreach (RelationAttribute raitem in ra)
{
raitem.Owner = this;
raitem.OwnerProperty = ID;
Relations.Add(raitem.Partner, raitem);
}
}
if (col.Length > 0)
{
pm = new PropertyMapper();
pm.ColumnName = string.IsNullOrEmpty(col[0].Name) ? pi.Name : col[0].Name;
pm.Handler = new PropertyHandler(pi);
pm.OM = this;
pm.Validaters = Utils.GetPropertyAttributes <ValidaterAttribute>(pi, false);
if (aggr.Length > 0)
{
pm.Aggregation = aggr[0];
}
if (pca.Length > 0)
{
pm.Cast = pca[0];
}
if (val.Length > 0)
{
pm.Value = val[0];
}
if (Properties.Contains(pm))
{
throw new PeanutException(string.Format(DataMsg.REPEATE_DESC_FIELD, type.FullName, pm.ColumnName));
}
Properties.Add(pm);
if (pm.Cast == null)
{
pm.Cast = DBContext.GetCast(pi.PropertyType);
}
mKeyByProperties.Add(pm.ColumnName, pm);
foreach (RelationAttribute raitem in ra)
{
raitem.Owner = this;
raitem.OwnerProperty = pm;
Relations.Add(raitem.Partner, raitem);
}
}
}
CreateSql();
}
public ObjectMapper(Type objtype)
{
Connection = new ConnectionAttribute(DBContext.CurrentConnectionName);
ObjectType = objtype;
OnInit(objtype);
}