NAME

Wikibase::Datatype::Query - Query class on Wikibase item.

SYNOPSIS

use Wikibase::Datatype::Query;

my $obj = Wikibase::Datatype::Query->new;
my $res = $obj->query($obj, $property);
my $res = $obj->query_item($item_obj, $property);

METHODS

new

my $obj = Wikibase::Datatype::Query->new;

Constructor.

• deprecated

  Flag which controls query of deprecated values. Zero (0) means no deprecated values in result.

  Default value is 0.

Returns instance of object.

query

my $res = $obj->query($obj, $property);

Query Wikibase::Datatype object for value.

Returns value or undef.

query_item

my $res = $obj->query($item_obj, $property);

Query Wikibase::Datatype::Item item for value.

Returns value or undef.

ERRORS

new():
        From Class::Utils::set_params():
                Unknown parameter '%s'.

query():
        Parameter 'item' is required.
        Parameter 'item' must be a 'Wikibase::Datatype::Item' object.

query_item():
        Parameter 'item' is required.
        Parameter 'item' must be a 'Wikibase::Datatype::Item' object.

EXAMPLE

use strict;
use warnings;

use Test::Shared::Fixture::Wikibase::Datatype::Item::Wikidata::Dog;
use Wikibase::Datatype::Query;

my $obj = Wikibase::Datatype::Query->new;

my $item = Test::Shared::Fixture::Wikibase::Datatype::Item::Wikidata::Dog->new;

my $ret = $obj->query_item($item, 'P31');

print "Query for P31 property on Test::Shared::Fixture::Wikibase::Datatype::Item::Wikidata::Dog:\n";
print $ret."\n";

# Output like:
# Query for P31 property on Test::Shared::Fixture::Wikibase::Datatype::Item::Wikidata::Dog:
# Q55983715

DEPENDENCIES

Class::Utils, Error::Pure, Scalar::Util.

SEE ALSO

Wikibase::Datatype

Wikibase datatypes.

REPOSITORY

https://github.com/michal-josef-spacek/Wikibase-Datatype-Query

AUTHOR

Michal Josef Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2022-2023 Michal Josef Špaček

BSD 2-Clause License

VERSION

0.03

cpanm Wikibase::Datatype::Query

perl -MCPAN -e shell
install Wikibase::Datatype::Query