class AS::Notifications::Fanout
This is a default queue implementation that ships with Notifications
. It just pushes events to all registered log subscribers.
This class is thread safe. All methods are reentrant.
Public Class Methods
new()
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Calls superclass method
# File lib/as/notifications/fanout.rb, line 12 def initialize @subscribers = [] @listeners_for = {} super end
Public Instance Methods
finish(name, id, payload)
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# File lib/as/notifications/fanout.rb, line 38 def finish(name, id, payload) listeners_for(name).each { |s| s.finish(name, id, payload) } end
listeners_for(name)
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# File lib/as/notifications/fanout.rb, line 46 def listeners_for(name) synchronize do @listeners_for[name] ||= @subscribers.select { |s| s.subscribed_to?(name) } end end
listening?(name)
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# File lib/as/notifications/fanout.rb, line 52 def listening?(name) listeners_for(name).any? end
publish(name, *args)
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# File lib/as/notifications/fanout.rb, line 42 def publish(name, *args) listeners_for(name).each { |s| s.publish(name, *args) } end
start(name, id, payload)
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# File lib/as/notifications/fanout.rb, line 34 def start(name, id, payload) listeners_for(name).each { |s| s.start(name, id, payload) } end
subscribe(pattern = nil, callable = nil, &block)
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# File lib/as/notifications/fanout.rb, line 18 def subscribe(pattern = nil, callable = nil, &block) subscriber = Subscribers.new pattern, callable || block synchronize do @subscribers << subscriber @listeners_for.clear end subscriber end
unsubscribe(subscriber)
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# File lib/as/notifications/fanout.rb, line 27 def unsubscribe(subscriber) synchronize do @subscribers.reject! { |s| s.matches?(subscriber) } @listeners_for.clear end end
wait()
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This is a sync queue, so there is no waiting.
# File lib/as/notifications/fanout.rb, line 57 def wait end