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
|
# frozen_string_literal: true
module Aws
class EventEmitter
def initialize
@listeners = {}
@validate_event = true
@signal_queue = Queue.new
end
attr_accessor :stream
attr_accessor :encoder
attr_accessor :validate_event
attr_accessor :signal_queue
def on(type, callback)
(@listeners[type] ||= []) << callback
end
def signal(type, event)
return unless @listeners[type]
@listeners[type].each do |listener|
listener.call(event) if event.event_type == type
end
end
def emit(type, params)
unless @stream
raise Aws::Errors::SignalEventError.new(
"Singaling events before making async request"\
" is not allowed."
)
end
if @validate_event && type != :end_stream
Aws::ParamValidator.validate!(
@encoder.rules.shape.member(type), params)
end
@stream.data(
@encoder.encode(type, params),
end_stream: type == :end_stream
)
end
end
end
|
