Class: Spine::Hub::Subscriptions::Closure

Inherits:
Object
  • Object
show all
Defined in:
lib/spine/hub/subscriptions/closure.rb

Overview

Subscriber for blocks.

Requirements

  • event - Subscriber triggering event.

  • action - Block to execute.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(event, action) ⇒ Closure

Returns a new instance of Closure.



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# File 'lib/spine/hub/subscriptions/closure.rb', line 12

def initialize(event, action)
  @trigger = event
  @action = action
end

Instance Attribute Details

#action ⇒ Object (readonly)

Returns the value of attribute action.



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# File 'lib/spine/hub/subscriptions/closure.rb', line 10

def action
  @action
end

#trigger ⇒ Object (readonly)

Returns the value of attribute trigger.



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# File 'lib/spine/hub/subscriptions/closure.rb', line 10

def trigger
  @trigger
end

Instance Method Details

#notify(event, *arguments) ⇒ Object

Notifies subscriber about event. When event matches with triggering event it executes action.

Attributes

  • event - Name of event.

  • arguments - Arguments for event.



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# File 'lib/spine/hub/subscriptions/closure.rb', line 23

def notify(event, *arguments)
  action.call(*arguments) if trigger?(event)
end

#trigger?(event) ⇒ Boolean

Returns true when subscriber is triggered by specified event.

Attributes

  • event - Name of event.

Returns:

  • (Boolean) 


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# File 'lib/spine/hub/subscriptions/closure.rb', line 31

def trigger?(event)
  trigger == event
end