Class: RSMP::Queue

Inherits:
Object
  • Object
show all
Includes:
Receiver
Defined in:
lib/rsmp/collect/queue.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Receiver

#accept_message?, #initialize_receiver, #receive, #receive_error, #reject_message?, #start_receiving, #stop_receiving

Methods included from Inspect

#inspect, #inspector

Constructor Details

#initialize(distributor, task:, filter: nil) ⇒ Queue

Returns a new instance of Queue.



10
11
12
13
14
15
 
# File 'lib/rsmp/collect/queue.rb', line 10

def initialize(distributor, task:, filter: nil)
  initialize_receiver distributor, filter: filter
  @condition = Async::Notification.new
  @task = task
  clear
end

Instance Attribute Details

#messages ⇒ Object (readonly)

Returns the value of attribute messages.



8
9
10
 
# File 'lib/rsmp/collect/queue.rb', line 8

def messages
  @messages
end

Instance Method Details

#clear ⇒ Object 



17
18
19
 
# File 'lib/rsmp/collect/queue.rb', line 17

def clear
  @messages = []
end

#handle_message(message) ⇒ Object 



34
35
36
37
 
# File 'lib/rsmp/collect/queue.rb', line 34

def handle_message(message)
  @messages << message
  @condition.signal
end

#wait_for_message(timeout: nil) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/rsmp/collect/queue.rb', line 21

def wait_for_message(timeout: nil)
  if @messages.empty?
    if timeout
      @task.with_timeout(timeout) { @condition.wait }
    else
      @condition.wait
    end
  end
  @messages.shift
rescue Async::TimeoutError
  raise RSMP::TimeoutError
end