Re: different versions of objects

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On Wed, 2005-04-06 at 17:31 +0100, Simon Wistow wrote:
> I have various objects and all these objects have versions. What I want 
> to be able to do is 
> 
> 	$package = Package->new($name);           # latest version
> 	$package = Package->new($name, $version); # gets $version
> 
> 	$package->version();                      # returns $version
> 	$package->version($new_version);          # changes to $new_version
> 
> I suspect what the best thing to do is make Package have an id and a 
> name and has_many Package::Version. Package.pm will then have an 
> AUTOLOAD which forwards any method calls not covered in Package.pm 
> (name, version) to $self->{_current_version}->$method or something 
> similar.
> 
> Does that sound sane?

Not really.  I consider AUTOLOAD a last resort.  What you're showing
here could be done pretty simply by adding a couple of methods to a
standard Class::DBI class.  The final bit (replacing the current object
with a different one) is tricky, so I might change that.

- Perrin