Class: Mongo::Protocol::KillCursors::Upconverter

Inherits:
Object
  • Object
show all
Defined in:
lib/mongo/protocol/kill_cursors.rb

Overview

Converts legacy insert messages to the appropriate OP_COMMAND style message.

Since:

  • 2.1.0

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(collection, cursor_ids) ⇒ Upconverter

Instantiate the upconverter.

Examples:

Instantiate the upconverter.

Upconverter.new('users', [ 1, 2, 3 ])

Parameters:

  • collection (String) —

    The name of the collection.

  • cursor_ids (Array<Integer>) —

    The cursor ids.

Since:

  • 2.1.0



100
101
102
103
 
# File 'lib/mongo/protocol/kill_cursors.rb', line 100

def initialize(collection, cursor_ids)
  @collection = collection
  @cursor_ids = cursor_ids
end

Instance Attribute Details

#collection ⇒ String (readonly)

Returns collection The name of the collection.

Returns:

  • (String) —

    collection The name of the collection.

Since:

  • 2.1.0



86
87
88
 
# File 'lib/mongo/protocol/kill_cursors.rb', line 86

def collection
  @collection
end

#cursor_ids ⇒ Array<Integer> (readonly)

Returns cursor_ids The cursor ids.

Returns:

  • (Array<Integer>) —

    cursor_ids The cursor ids.

Since:

  • 2.1.0



89
90
91
 
# File 'lib/mongo/protocol/kill_cursors.rb', line 89

def cursor_ids
  @cursor_ids
end

Instance Method Details

#command ⇒ BSON::Document

Get the upconverted command.

Examples:

Get the command.

upconverter.command

Returns:

  • (BSON::Document) —

    The upconverted command.

Since:

  • 2.1.0



113
114
115
116
117
118
119
120
121
 
# File 'lib/mongo/protocol/kill_cursors.rb', line 113

def command
  document = BSON::Document.new
  document.store('killCursors', collection)
  store_ids = cursor_ids.map do |cursor_id|
    BSON::Int64.new(cursor_id)
  end
  document.store('cursors', store_ids)
  document
end