/// <summary>
/// Re-insert the current instance after it has been deleted
/// </summary>
/// <param name="db"></param>
public virtual void Undelete(Database db = null)
{
Type thisType = this.GetType();
if (db == null)
{
db = Database;// Db.For(thisType);
}
this.IsNew = true;
ColumnAttribute[] columns = Db.GetColumns(thisType);
foreach (ColumnAttribute col in columns)
{
this.SetValue(col.Name, this.GetCurrentValue(col.Name));
}
this.Commit();
}
/// <summary>
/// Undo any changes that have been made to the current instance
/// since it was loaded.
/// </summary>
/// <param name="db"></param>
public virtual void Undo(Database db = null)
{
Type thisType = this.GetType();
if (db == null)
{
db = Database;
}
SqlStringBuilder sql = GetSqlStringBuilder(db);
ColumnAttribute[] columns = Db.GetColumns(thisType);
foreach (ColumnAttribute col in columns)
{
this.SetValue(col.Name, this.GetOriginalValue(col.Name));
}
AssignValue[] values = GetNewAssignValues();
sql.Update(this.TableName(), values)
.Where(this.GetUniqueFilter())
.Go();
sql.Execute(db);
}
protected ColumnAttribute[] GetColumns(Type daoType)
{
return(Db.GetColumns(daoType));
}