Class: Push::Daemon::DeliveryQueue
- Inherits:
-
Object
- Object
- Push::Daemon::DeliveryQueue
- Defined in:
- lib/push/daemon/delivery_queue.rb
Defined Under Namespace
Classes: WakeupError
Instance Method Summary collapse
-
#initialize ⇒ DeliveryQueue
constructor
A new instance of DeliveryQueue.
- #notification_processed ⇒ Object
- #notifications_processed? ⇒ Boolean
- #pop ⇒ Object
- #push(notification) ⇒ Object
- #size ⇒ Object
- #wakeup(thread) ⇒ Object
Constructor Details
#initialize ⇒ DeliveryQueue
Returns a new instance of DeliveryQueue.
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# File 'lib/push/daemon/delivery_queue.rb', line 5 def initialize @num_notifications = 0 @queue = [] @waiting = [] @mutex = Mutex.new end |
Instance Method Details
#notification_processed ⇒ Object
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# File 'lib/push/daemon/delivery_queue.rb', line 23 def notification_processed @mutex.synchronize { @num_notifications -= 1 } end |
#notifications_processed? ⇒ Boolean
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# File 'lib/push/daemon/delivery_queue.rb', line 27 def notifications_processed? @mutex.synchronize { @num_notifications == 0 } end |
#pop ⇒ Object
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# File 'lib/push/daemon/delivery_queue.rb', line 45 def pop @mutex.synchronize do while true if @queue.empty? @waiting.push Thread.current @mutex.sleep else return @queue.shift end end end end |
#push(notification) ⇒ Object
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# File 'lib/push/daemon/delivery_queue.rb', line 31 def push(notification) @mutex.synchronize do @num_notifications += 1 @queue.push(notification) begin t = @waiting.shift t.wakeup if t rescue ThreadError retry end end end |
#size ⇒ Object
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# File 'lib/push/daemon/delivery_queue.rb', line 19 def size @mutex.synchronize { @queue.size } end |
#wakeup(thread) ⇒ Object
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# File 'lib/push/daemon/delivery_queue.rb', line 12 def wakeup(thread) @mutex.synchronize do t = @waiting.delete(thread) t.raise WakeupError if t end end |