# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

package Search::Elasticsearch::Client::6_0::Role::Scroll;
$Search::Elasticsearch::Client::6_0::Role::Scroll::VERSION = '7.713';
use Moo::Role;
requires 'finish';
use Search::Elasticsearch::Util qw(parse_params throw);
use Devel::GlobalDestruction;
use namespace::clean;
has 'es' => ( is => 'ro', required => 1 );
has 'scroll'        => ( is => 'ro' );
has 'scroll_in_qs'  => ( is => 'ro' );
has 'total'         => ( is => 'rwp' );
has 'max_score'     => ( is => 'rwp' );
has 'facets'        => ( is => 'rwp' );
has 'aggregations'  => ( is => 'rwp' );
has 'suggest'       => ( is => 'rwp' );
has 'took'          => ( is => 'rwp' );
has 'total_took'    => ( is => 'rwp' );
has 'search_params' => ( is => 'ro' );
has 'is_finished'   => ( is => 'rwp', default => '' );
has '_pid'          => ( is => 'ro', default => sub {$$} );
has '_scroll_id'    => ( is => 'rwp', clearer => 1, predicate => 1 );

#===================================
sub scroll_request {
#===================================
    my $self = shift;
    throw( 'Illegal',
              'Scroll requests are not fork safe and may only be '
            . 'refilled by the same process that created the instance.' )
        if $self->_pid != $$;

    my %args = ( scroll => $self->scroll );
    if ( $self->scroll_in_qs ) {
        $args{scroll_id} = $self->_scroll_id;
    }
    else {
        $args{body} = { scroll_id => $self->_scroll_id };
    }
    $self->es->scroll(%args);
}

#===================================
sub DEMOLISH {
#===================================
    my $self = shift or return;
    return if in_global_destruction;
    $self->finish;
}

1;

# ABSTRACT: Provides common functionality to L<Search::Elasticsearch::Client::6_0::Scroll> and L<Search::Elasticsearch::Client::6_0::Async::Scroll>

__END__

=pod

=encoding UTF-8

=head1 NAME

Search::Elasticsearch::Client::6_0::Role::Scroll - Provides common functionality to L<Search::Elasticsearch::Client::6_0::Scroll> and L<Search::Elasticsearch::Client::6_0::Async::Scroll>

=head1 VERSION

version 7.713

=head1 AUTHOR

Enrico Zimuel <enrico.zimuel@elastic.co>

=head1 COPYRIGHT AND LICENSE

This software is Copyright (c) 2021 by Elasticsearch BV.

This is free software, licensed under:

  The Apache License, Version 2.0, January 2004

=cut