1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
#
# 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::Op::_Command;
# Encapsulate running a command and returning a MongoDB::CommandResult
use version;
our $VERSION = 'v1.4.5';
use Moo;
use MongoDB::_Constants;
use MongoDB::_Types qw(
Document
);
use Types::Standard qw(
HashRef
Str
);
use Tie::IxHash;
use namespace::clean;
has db_name => (
is => 'ro',
required => 1,
isa => Str,
);
has query => (
is => 'ro',
required => 1,
writer => '_set_query',
isa => Document,
);
has query_flags => (
is => 'ro',
required => 1,
isa => HashRef,
);
with $_ for qw(
MongoDB::Role::_PrivateConstructor
MongoDB::Role::_ReadOp
MongoDB::Role::_ReadPrefModifier
);
sub execute {
my ( $self, $link, $topology_type ) = @_;
$topology_type ||= 'Single'; # if not specified, assume direct
# $query is passed as a reference because it *may* be replaced
$self->_apply_read_prefs( $link, $topology_type, $self->{query_flags}, \$self->{query});
my ( $op_bson, $request_id ) =
MongoDB::_Protocol::write_query( $self->{db_name} . '.$cmd',
$self->{bson_codec}->encode_one( $self->{query} ), undef, 0, -1, $self->{query_flags});
if ( length($op_bson) > MAX_BSON_WIRE_SIZE ) {
# XXX should this become public?
MongoDB::_CommandSizeError->throw(
message => "database command too large",
size => length $op_bson,
);
}
$link->write( $op_bson ),
( my $result = MongoDB::_Protocol::parse_reply( $link->read, $request_id ) );
my $res = MongoDB::CommandResult->_new(
output => $self->{bson_codec}->decode_one( $result->{docs} ),
address => $link->address,
);
$res->assert;
return $res;
}
1;
|
