#
# Copyright 2014 MongoDB, Inc.
#
# Licensed 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 MongoDB::Role::_CommandCursorOp;
# MongoDB interface for database commands with cursors
use version;
our $VERSION = 'v1.4.4';
use MongoDB::Error;
use MongoDB::QueryResult;
use Moo::Role;
use namespace::clean;
requires qw/client bson_codec/;
sub _build_result_from_cursor {
my ( $self, $res ) = @_;
my $c = $res->output->{cursor}
or MongoDB::DatabaseError->throw(
message => "no cursor found in command response",
result => $res,
);
my $max_time_ms = undef;
if ($self->isa('MongoDB::Op::_Query') &&
$self->cursor_type eq 'tailable_await') {
$max_time_ms = $self->max_await_time_ms if defined $self->max_await_time_ms;
}
my $batch = $c->{firstBatch};
my $qr = MongoDB::QueryResult->_new(
_client => $self->client,
_address => $res->address,
_ns => $c->{ns},
_bson_codec => $self->bson_codec,
_batch_size => scalar @$batch,
_cursor_at => 0,
_limit => 0,
_cursor_id => $c->{id},
_cursor_start => 0,
_cursor_flags => {},
_cursor_num => scalar @$batch,
_docs => $batch,
defined $max_time_ms ? (_max_time_ms => $max_time_ms) : (),
);
}
sub _empty_query_result {
my ( $self, $link ) = @_;
my $qr = MongoDB::QueryResult->_new(
_client => $self->client,
_address => $link->address,
_ns => '',
_bson_codec => $self->bson_codec,
_batch_size => 1,
_cursor_at => 0,
_limit => 0,
_cursor_id => 0,
_cursor_start => 0,
_cursor_flags => {},
_cursor_num => 0,
_docs => [],
);
}
1;