/ 
Data-ExternalId-0.01
/ Data::ExternalId

NAME

Data::ExternalId - Data object for external identifier.

DESCRIPTION

Data object for external identifier. It could be defined as identifier key and value.

SYNOPSIS

use Data::ExternalId;

my $obj = Data::ExternalId->new(%params);
my $id = $obj->id;
my $key = $obj->key;
my $value = $obj->value;

METHODS

new

my $obj = Data::ExternalId->new(%params);

Constructor.

  • id

    Unique identifier.

    It's optional.

  • key

    External identifier key.

    It's required.

  • value

    External identifier value.

    It's required.

Returns instance of object.

id

my $id = $obj->id;

Get unique identifier.

Returns number.

key

my $key = $obj->key;

Get external identifier key.

Returns string.

value

my $value = $obj->value;

Get external identifier value.

Returns string.

ERRORS

new():
         From Mo::utils::check_number_id():
                 Parameter 'id' must be a natural number.
                        Value: %s
         From Mo::utils::check_required():
                 Parameter 'key' is required.
                 Parameter 'value' is required.

EXAMPLE

use strict;
use warnings;

use Data::ExternalId;

my $obj = Data::ExternalId->new(
        'key' => 'Wikidata',
        'value' => 'Q27954834',
);

# Print out.
print "External id key: ".$obj->key."\n";
print "External id value: ".$obj->value."\n";

# Output:
# External id key: Wikidata
# External id value: Q27954834

DEPENDENCIES

Mo, Mo::utils.

REPOSITORY

https://github.com/michal-josef-spacek/Data-ExternalId

AUTHOR

Michal Josef Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2025 Michal Josef Špaček

BSD 2-Clause License

VERSION

0.01