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
|
# Copyright (C) 2015-2017 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.
module Mongo
class Cursor
module Builder
# Encapsulates behaviour around generating an OP_KILL_CURSORS specification.
#
# @since 2.2.0
class OpKillCursors
extend Forwardable
# @return [ Cursor ] cursor The cursor.
attr_reader :cursor
def_delegators :@cursor, :collection_name, :database
# Create the new builder.
#
# @example Create the builder.
# OpKillCursors.new(cursor)
#
# @param [ Cursor ] cursor The cursor.
#
# @since 2.2.0
def initialize(cursor)
@cursor = cursor
end
# Get the specification.
#
# @example Get the specification.
# op_kill_cursors.specification
#
# @return [ Hash ] The specification.
#
# @since 2.2.0
def specification
{ :coll_name => collection_name, :db_name => database.name, :cursor_ids => [ cursor.id ] }
end
class << self
# Update a specification's list of cursor ids.
#
# @example Update a specification's list of cursor ids.
# OpKillCursors.update_cursors(spec, ids)
#
# @return [ Hash ] The specification.
# @return [ Array ] The ids to update with.
#
# @since 2.3.0
def update_cursors(spec, ids)
spec.merge!(cursor_ids: spec[:cursor_ids] & ids)
end
# Get the list of cursor ids from a spec generated by this Builder.
#
# @example Get the list of cursor ids.
# OpKillCursors.cursors(spec)
#
# @return [ Hash ] The specification.
#
# @since 2.3.0
def get_cursors_list(spec)
spec[:cursor_ids]
end
end
end
end
end
end
|
