51 lines
1.6 KiB
Perl
51 lines
1.6 KiB
Perl
package Koha::QueryParser::Driver::PQF::query_plan::modifier;
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# This file is part of Koha.
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#
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# Copyright 2012 C & P Bibliography Services
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use base 'OpenILS::QueryParser::query_plan::modifier';
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use strict;
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use warnings;
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=head1 NAME
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Koha::QueryParser::Driver::PQF::query_plan::modifer - modifier subclass for PQF driver
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=head1 FUNCTIONS
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=head2 Koha::QueryParser::Driver::PQF::query_plan::modifier::target_syntax
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my $pqf = $modifier->target_syntax($server, $query_plan);
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Transforms an OpenILS::QueryParser::query_plan::modifier object into PQF. Do not use
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directly. The second argument points ot the query_plan, since modifiers do
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not have a reference to their parent query_plan.
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=cut
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sub target_syntax {
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my ($self, $server, $query_plan) = @_;
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my $pqf = '';
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my $attributes = $query_plan->QueryParser->bib1_mapping_by_name('modifier', $self->name, $server);
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$pqf = ($attributes->{'op'} ? $attributes->{'op'} . ' ' : '') . ($self->negate ? '@not @attr 1=_ALLRECORDS @attr 2=103 "" ' : '') . $attributes->{'attr_string'};
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return $pqf;
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}
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1;
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