[xsde-users] problem with classes derived from long_base

[Boris Kolpackov]

Hi,

dv <dv7777 at gmail.com> writes:

> I looked at the autogenerated code, and classes that derive from  
> long_base only have a copy constructor. They do not have assignment  
> operators or constructors that accept long/long long. This means that I  
> have to upcast to long_base to make use of these facilities. Am I  
> missing something?

You can use the base_value() accessors/modifier. For example:

MyLong l; // MyLong is derived from long_base

l.base_value (123L);

This is covered in Chapter, 5 "Mapping for Built-In XML Schema Types"
in the C++/Hybrid Mapping Getting Started Guide:

http://www.codesynthesis.com/projects/xsde/documentation/cxx/hybrid/guide/#5

Boris