/// <summary>
/// Register a DbObject
/// </summary>
/// <param name="t">Object type</param>
public void RegisterDbObject(Type t)
{
if (_disposed)
{
throw new ObjectDisposedException(typeof(DbManager).FullName);
}
_typeAccessors.Add(t, TypeAccessor.Create(t));
IDbObject obj = (IDbObject)Activator.CreateInstance(t);
_typeMappings.Add(t, obj.GetMapping());
}