It sounds like you're wrestling with the question of how to create class data so that the accessors are inherited but not the data itself.

I think you'll find perltootc - Tom's OO Tutorial for Class Data in Perl very useful, in particular the section Inheritance Concerns. Borrowing code from that, you can use something like this: 

package base_class;
my %parameter_config = {# the same as before...};

# accessor for class-specific hash named %parameter_config:
sub parameter_config {  
  my $obclass = shift;    
  my $class   = ref($obclass) || $obclass;
  my $varname = $class . "::parameter_config";
  no strict "refs";     # to access package data symbolically

  %$varname = {foo=>'bar'}; 
  # this is the package-local hash %parameter_config.  
  # Just refering to '%parameter_config' should refer to 
  # %base_class::parameter_config.

}

[download]

To initialize the package-specific %parameter_config, throw in similar magic into &base_class::new.

-- Frag.
--
"It's beat time, it's hop time, it's monk time!"

In reply to Re: OO - problem with inheritance by frag
in thread OO - problem with inheritance by uwevoelker

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