/ 
Wikibase-Datatype-0.33
River stage one • 5 direct dependents • 7 total dependents
/ Wikibase::Datatype::Property

NAME

Wikibase::Datatype::Property - Wikibase property datatype.

SYNOPSIS

use Wikibase::Datatype::Property;

my $obj = Wikibase::Datatype::Property->new(%params);
my $aliases_ar = $obj->aliases;
my $datatype = $obj->datatype;
my $descriptions_ar = $obj->descriptions;
my $id = $obj->id;
my $labels_ar = $obj->labels;
my $lastrevid = $obj->lastrevid;
my $modified = $obj->modified;
my $ns = $obj->ns;
my $page_id = $obj->page_id;
my $statements_ar = $obj->statements;
my $title = $obj->title;

DESCRIPTION

This datatype is property class for representing property.

METHODS

new

my $obj = Wikibase::Datatype::Property->new(%params);

Constructor.

Returns instance of object.

  • aliases

    Item aliases. Multiple per language. Reference to array with Wikibase::Datatype::Value::Monolingual instances. Parameter is optional.

  • datatype

    Type of data. Parameter is required.

    Possible datatypes are (datavalue instance in parenthesis):
- commonsMedia (Wikibase::Datatype::Value::String)
- external-id (Wikibase::Datatype::Value::String)
- geo-shape (Wikibase::Datatype::Value::String)
- globe-coordinate (Wikibase::Datatype::Value::Globecoordinate)
- math (Wikibase::Datatype::Value::String)
- monolingualtext (Wikibase::Datatype::Value::Monolingual)
- musical-notation (Wikibase::Datatype::Value::String)
- quantity (Wikibase::Datatype::Value::Quantity)
- string (Wikibase::Datatype::Value::String)
- tabular-data (Wikibase::Datatype::Value::String)
- time (Wikibase::Datatype::Value::Time)
- url (Wikibase::Datatype::Value::String)
- wikibase-item (Wikibase::Datatype::Value::Item)
- wikibase-property (Wikibase::Datatype::Value::Property)

  • descriptions

    Item descriptions. One per language. Reference to array with Wikibase::Datatype::Value::Monolingual instances. Parameter is optional.

  • id

    Id. Parameter is optional.

  • labels

    Item descriptions. One per language. Reference to array with Wikibase::Datatype::Value::Monolingual instances. Parameter is optional.

  • lastrevid

    Last revision ID. Parameter is optional.

  • modified

    Date of modification. Parameter is optional.

  • ns

    Namespace. Default value is 120.

  • page_id

    Page id. Numeric value. Parameter is optional.

  • statements

    Item statements. Reference to array with Wikibase::Datatype::Statement instances. Parameter is optional.

  • title

    Item title. Parameter is optional.

aliases

my $aliases_ar = $obj->aliases;

Get aliases.

Returns reference to array with Wikibase::Datatype::Value::Monolingual instances.

datatype

my $datatype = $obj->datatype;

Get data type.

Returns string.

descriptions

my $descriptions_ar = $obj->descriptions;

Get descriptions.

Returns reference to array with Wikibase::Datatype::Value::Monolingual instances.

id

my $id = $obj->id;

Get id.

Returns string.

labels

my $labels_ar = $obj->labels;

Get labels.

Returns reference to array with Wikibase::Datatype::Value::Monolingual instances.

lastrevid

my $lastrevid = $obj->lastrevid;

Get last revision ID.

Returns string.

modified

my $modified = $obj->modified;

Get date of modification.

Returns string.

ns

my $ns = $obj->ns;

Get namespace.

Returns number.

page_id

my $page_id = $obj->page_id;

Get page id.

Returns number.

statements

my $statements_ar = $obj->statements;

Get statements.

Returns reference to array with Wikibase::Datatype::Statement instances.

title

my $title = $obj->title;

Get title.

Returns string.

ERRORS

new():
        From Mo::utils::check_array_object():
                Alias isn't 'Wikibase::Datatype::Value::Monolingual' object.
                Description isn't 'Wikibase::Datatype::Value::Monolingual' object.
                Label isn't 'Wikibase::Datatype::Value::Monolingual' object.
                Parameter 'aliases' must be a array.
                Parameter 'descriptions' must be a array.
                Parameter 'labels' must be a array.
                Parameter 'statements' must be a array.
                Statement isn't 'Wikibase::Datatype::Statement' object.
        From Mo::utils::check_page_id():
                Parameter 'page_id' must a number.
        From Mo::utils::check_number_of_items():
                Description for language '%s' has multiple values.
                Label for language '%s' has multiple values.
        From Mo::utils::check_required():
                Parameter 'datatype' is required.
        Parameter 'datatype' = '%s' isn't supported.

EXAMPLE

use strict;
use warnings;

use Unicode::UTF8 qw(decode_utf8 encode_utf8);
use Wikibase::Datatype::Property;
use Wikibase::Datatype::Reference;
use Wikibase::Datatype::Sitelink;
use Wikibase::Datatype::Snak;
use Wikibase::Datatype::Statement;
use Wikibase::Datatype::Value::Item;
use Wikibase::Datatype::Value::Monolingual;
use Wikibase::Datatype::Value::String;
use Wikibase::Datatype::Value::Time;

# Statement.
my $statement1 = Wikibase::Datatype::Statement->new(
        # instance of (P31) Wikidata property (Q18616576)
        'snak' => Wikibase::Datatype::Snak->new(
                'datatype' => 'wikibase-item',
                'datavalue' => Wikibase::Datatype::Value::Item->new(
                        'value' => 'Q18616576',
                ),
                'property' => 'P31',
        ),
);

# Main item.
my $obj = Wikibase::Datatype::Property->new(
        'aliases' => [
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'cs',
                        'value' => 'je',
                ),
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'en',
                        'value' => 'is a',
                ),
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'en',
                        'value' => 'is an',
                ),
        ],
        'datatype' => 'wikibase-item',
        'descriptions' => [
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'cs',
                        'value' => decode_utf8('tato položka je jedna konkrétní věc (exemplář, '.
                                'příklad) patřící do této třídy, kategorie nebo skupiny předmětů'),
                ),
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'en',
                        'value' => 'that class of which this subject is a particular example and member',
                ),
        ],
        'id' => 'P31',
        'labels' => [
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'cs',
                        'value' => decode_utf8('instance (čeho)'),
                ),
                Wikibase::Datatype::Value::Monolingual->new(
                        'language' => 'en',
                        'value' => 'instance of',
                ),
        ],
        'page_id' => 3918489,
        'statements' => [
                $statement1,
        ],
        'title' => 'Property:P31',
);

# Print out.
print "Title: ".$obj->title."\n";
print 'Id: '.$obj->id."\n";
print 'Data type: '.$obj->datatype."\n";
print 'Page id: '.$obj->page_id."\n";
print "Labels:\n";
foreach my $label (sort { $a->language cmp $b->language } @{$obj->labels}) {
        print "\t".encode_utf8($label->value).' ('.$label->language.")\n";
}
print "Descriptions:\n";
foreach my $desc (sort { $a->language cmp $b->language } @{$obj->descriptions}) {
        print "\t".encode_utf8($desc->value).' ('.$desc->language.")\n";
}
print "Aliases:\n";
foreach my $alias (sort { $a->language cmp $b->language } @{$obj->aliases}) {
        print "\t".encode_utf8($alias->value).' ('.$alias->language.")\n";
}
print "Statements:\n";
foreach my $statement (@{$obj->statements}) {
        print "\tStatement:\n";
        print "\t\t".$statement->snak->property.' -> '.$statement->snak->datavalue->value."\n";
}

# Output:
# Title: Property:P31
# Id: P31
# Data type: wikibase-item
# Page id: 3918489
# Labels:
#         instance (čeho) (cs)
#         instance of (en)
# Descriptions:
#         tato položka je jedna konkrétní věc (exemplář, příklad) patřící do této třídy, kategorie nebo skupiny předmětů (cs)
#         that class of which this subject is a particular example and member (en)
# Aliases:
#         je (cs)
#         is a (en)
#         is an (en)
# Statements:
#         Statement:
#                 P31 -> Q18616576

DEPENDENCIES

Error::Pure, List::Util, Mo, Mo:utils, Readonly.

SEE ALSO

Wikibase::Datatype

Wikibase datatypes.

REPOSITORY

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

AUTHOR

Michal Josef Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2020-2023 Michal Josef Špaček

BSD 2-Clause License

VERSION

0.33