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use strict; |
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use warnings; |
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package Search::GIN::Query::Class; |
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BEGIN { |
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$Search::GIN::Query::Class::AUTHORITY = 'cpan:NUFFIN'; |
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} |
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# ABSTRACT: Create class-based GIN queries |
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$Search::GIN::Query::Class::VERSION = '0.09'; |
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use Moose; |
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use Carp qw(croak); |
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use namespace::clean -except => [qw(meta)]; |
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with qw( |
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Search::GIN::Query |
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Search::GIN::Keys::Deep |
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); |
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has no_check => ( |
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isa => "Bool", |
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is => "rw", |
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default => 0, |
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); |
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has class => ( |
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isa => "ArrayRef | Str", |
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is => "ro", |
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predicate => "has_class", |
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); |
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has does => ( |
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isa => "ArrayRef | Str", |
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is => "ro", |
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predicate => "has_does", |
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); |
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has blessed => ( |
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isa => "Str", |
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is => "ro", |
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predicate => "has_blessed", |
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); |
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sub BUILD { |
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my $self = shift; |
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croak "One of 'class', 'does', or 'blessed' is required" |
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unless $self->has_class or $self->has_does or $self->has_blessed; |
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} |
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sub extract_values { |
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my $self = shift; |
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return ( |
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method => "all", |
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values => [ $self->process_keys({ |
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( $self->has_class ? ( class => $self->class ) : () ), |
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( $self->has_does ? ( does => $self->does ) : () ), |
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( $self->has_blessed ? ( blessed => $self->blessed ) : () ), |
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}) ], |
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); |
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} |
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sub consistent { |
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my ( $self, $index, $object ) = @_; |
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return 1 if $self->no_check; |
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if ( $self->has_blessed ) { |
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return unless ref($object) eq $self->blessed; |
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} |
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if ( $self->has_class ) { |
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return unless $self->check_object($object, isa => $self->class); |
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} |
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if ( $self->has_does ) { |
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return unless $self->check_object($object, DOES => $self->does); |
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} |
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return 1; |
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} |
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sub check_object { |
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my ( $self, $object, $check, $classes ) = @_; |
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my @classes = ref($classes) ? @$classes : $classes; |
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foreach my $class ( @classes ) { |
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$object->$check($class) or return; |
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} |
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return 1; |
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} |
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__PACKAGE__->meta->make_immutable; |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Search::GIN::Query::Class - Create class-based GIN queries |
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=head1 VERSION |
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version 0.09 |
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=head1 SYNOPSIS |
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use Search::GIN::Query::Class; |
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my $query = Search::GIN::Query::Class->new( |
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class => 'Person', |
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); |
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=head1 DESCRIPTION |
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Creates a class-based GIN query that can be used to search records in a storage. |
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This is a ready-to-use query that uses class definitions (specifically C<class>, |
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C<does> and C<blessed>) to search through the storage. |
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=head1 METHODS/SUBROUTINES |
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=head2 new |
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Creates a new query. |
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=head1 ATTRIBUTES |
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=head2 class |
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The class of the object you want to find. |
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my $query = Search::GIN::Query::Class->new( |
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class => 'Person', |
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); |
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=head2 does |
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A role consumed by the object you want to find. |
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my $query = Search::GIN::Query::Class->new( |
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does => 'TheMonkey', |
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); |
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=head2 blessed |
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The name of the package that the object is blessed into. |
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my $query = Search::GIN::Query::Class->new( |
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blessed => 'Person', |
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); |
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=head1 AUTHOR |
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×××× ×§××'×× (Yuval Kogman) <nothingmuch@woobling.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2008 by ×××× ×§××'×× (Yuval Kogman), Infinity Interactive. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |