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package Catmandu::Importer::Solr;
use Catmandu::Sane;
use Catmandu::Store::Solr;
use Catmandu;
use Moo;
our $VERSION = '0.0304';
with 'Catmandu::Importer';
has fq => (is => 'ro');
has query => (is => 'ro');
has url => (is => 'ro');
has bag => (is => 'ro');
has id_field => (is => 'ro', default => sub {'_id'});
has bag_field => (is => 'ro', default => sub {'_bag'});
has _bag => (is => 'ro', lazy => 1, builder => '_build_bag',);
has fl => (is => 'ro', lazy => 1, default => sub {"*"});
sub _build_bag {
my $self = $_[0];
Catmandu::Store::Solr->new(
url => $self->url,
bag_field => $self->bag_field,
id_field => $self->id_field
)->bag($self->bag());
}
sub generator {
my ($self) = @_;
return sub {
state $start = 0;
state $limit = 100;
state $total = 100;
state $hits = [];
unless (scalar(@$hits)) {
return if $start >= $total;
my $res = $self->_bag()->search(
query => $self->query,
fq => $self->fq,
start => $start,
limit => $limit,
fl => $self->fl,
facet => "false",
spellcheck => "false",
sort => $self->id_field() . " asc"
);
$total = $res->total;
$hits = $res->hits();
$start += $limit;
}
shift(@$hits);
}
}
sub count {
my ($self) = @_;
$self->_bag()->search(
query => $self->query,
fq => $self->fq,
limit => 0,
facet => "false",
spellcheck => "false"
)->total();
}
=head1 NAME
Catmandu::Importer::Solr - Catmandu module to import data from a Solr endpoint
=head1 SYNOPSIS
# From the command line
$ catmandu convert Solr --url "http://localhost:8983/solr" --query "type:book"
# From perl
use Catmandu;
my %attrs = (
url => "http://localhost:8983/solr",
query => 'type:book',
bag_field => '_bag',
id_field => '_id'
);
my $importer = Catmandu->importer('Solr',%attrs);
$importer->each(sub {
my $row_hash = shift;
...
});
=head1 AUTHOR
Nicolas Franck, C<< nicolas.franck at ugent.be >>
=head1 SEE ALSO
L<Catmandu>, L<Catmandu::Importer> , L<Catmandu::Store::Solr>
=cut
1;
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