I was messing around with extending Rose::DB::Object::Helpers trying to add
a column_values_as_xml function. The problem I ran into involved adding my
new function to the 'all' export tag. To add my new function I had to
create my own export_tags function that listed all of the current functions
and my new function. I'd like to be able to just add my custom function to
whatever core 'all' functions already exist (in the event more core
functions are added to all in the future).
Here is the Class I created
--------------
package Oasis::Model::Asset::Object::Helpers;
use XML::Simple;
use base qw(Rose::DB::Object::Helpers);
__PACKAGE__->export_tags
(
all =>
[ __PACKAGE__->get_default_all_tag, 'column_values_as_xml' ],
# This exists for the benefit of the test suite
all_noprereq =>
[
__PACKAGE__->get_default_all_noprereq_tag
],
);
sub column_values_as_xml {
local $_[0]{__PACKAGE__->SUPER::STATE_SAVING()} = 1;
XMLout(scalar Rose::DB::Object::Helpers::column_value_pairs(shift))
}
sub get_default_all_tag {
return qw (clone clone_and_reset load_or_insert load_or_save
insert_or_update
insert_or_update_on_duplicate_key load_speculative
column_value_pairs column_accessor_value_pairs
column_mutator_value_pairs
column_values_as_yaml column_values_as_json
init_with_yaml init_with_json init_with_column_value_pairs
has_loaded_related strip)
}
sub get_default_all_noprereq_tag {
return qw(clone clone_and_reset load_or_insert load_or_save
insert_or_update
insert_or_update_on_duplicate_key load_speculative
column_value_pairs column_accessor_value_pairs
column_mutator_value_pairs init_with_column_value_pairs
has_loaded_related strip)
}
1;
-----------------------
So my questions are:
1. Is this the right way to extend Rose::DB::Object::Helpers?
2. If so could the get_default_all_tag and get_default_all_noprereq_tag (or
similar functions) be added to the base Rose::DB::Object::Helpers class?
Thanks,
Kevin McGrath
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