public static T Clone <T>(T source) where T : IEntityState, new()
{
T item = new T();
Mappings.ObjectMapper om = Mappings.ObjectMapper.GetOM(typeof(T));
OnClone(source, item, om);
return(item);
}
public static int SaveAsClone(IConnectinContext cc, Mappings.DataObject data)
{
Type type = data.GetType();
Mappings.ObjectMapper om = Mappings.ObjectMapper.GetOM(type);
Mappings.DataObject result = (Mappings.DataObject)Activator.CreateInstance(type);
OnClone(data, result, om);
return(Save(cc, result));
}
internal static object Load(Type type, object id, IConnectinContext cc)
{
Mappings.ObjectMapper om = Mappings.ObjectMapper.GetOM(type);
Mappings.SelectDataReader sr = om.GetSelectReader(type);
if (om.ID == null)
{
throw new PeanutException(DataMsg.ID_MAP_NOTFOUND);
}
Expression exp = new Expression();
exp.SqlText.Append(om.ID.ColumnName + "=@p1");
exp.Parameters.Add(new Command.Parameter {
Name = "p1", Value = id
});
return(EntityBase.ExOnListFirst(type, cc, om.GetSelectTable(sr), exp, null, null));
}
public static IList <ValidaterError> Verify(object data, IConnectinContext cc)
{
Mappings.ObjectMapper om = Mappings.ObjectMapper.GetOM(data.GetType());
List <ValidaterError> errors = new List <ValidaterError>(om.Properties.Count);
for (int i = 0; i < om.Properties.Count; i++)
{
PropertyMapper pm = om.Properties[i];
object value = pm.Handler.Get(data);
for (int k = 0; k < pm.Validaters.Length; k++)
{
ValidaterAttribute val = pm.Validaters[k];
if (!val.Validating(value, data, pm, cc))
{
errors.Add(new ValidaterError {
Name = pm.ColumnName, Error = val.Message
});
}
}
}
return(errors);
}
private static void OnClone(object source, object newobj, Mappings.ObjectMapper om)
{
object value = null;
Mappings.PropertyMapper pm = om.ID;
if (pm != null)
{
value = pm.Handler.Get(source);
if (value != null)
{
pm.Handler.Set(newobj, value);
}
}
for (int i = 0; i < om.Properties.Count; i++)
{
Mappings.PropertyMapper p = om.Properties[i];
value = p.Handler.Get(source);
if (value != null)
{
p.Handler.Set(newobj, value);
}
}
}