Class: Orchestra::Publisher

Inherits:
Object
  • Object
show all
Defined in:
lib/orchestra/publisher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Publisher

Returns a new instance of Publisher.



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# File 'lib/orchestra/publisher.rb', line 5

def initialize
  @mutex, @signaler = Mutex.new, ConditionVariable.new
  @subscribers = []
end

Instance Attribute Details

#mutex ⇒ Object (readonly)

Returns the value of attribute mutex.



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# File 'lib/orchestra/publisher.rb', line 3

def mutex
  @mutex
end

#signaler ⇒ Object (readonly)

Returns the value of attribute signaler.



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# File 'lib/orchestra/publisher.rb', line 3

def signaler
  @signaler
end

Instance Method Details

#publishing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/orchestra/publisher.rb', line 25

def publishing?
  !@subscribers.empty?
end

#push(event) ⇒ Object 



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# File 'lib/orchestra/publisher.rb', line 10

def push(event)
  @mutex.synchronize do
    @subscribers.each { |s| s.push(event) }
    @signaler.broadcast
  end
end

#register_subscriber(subscriber) ⇒ Object 



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# File 'lib/orchestra/publisher.rb', line 17

def register_subscriber(subscriber)
  @subscribers << subscriber
end

#unregister_subscriber(subscriber) ⇒ Object 



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# File 'lib/orchestra/publisher.rb', line 21

def unregister_subscriber(subscriber)
  @subscribers.delete(subscriber)
end