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