Class: PowerTypes::Observer

Inherits:
Object
  • Object
show all
Defined in:
lib/power_types/patterns/observer/observer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_object) ⇒ Observer

Returns a new instance of Observer.



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# File 'lib/power_types/patterns/observer/observer.rb', line 34

def initialize(_object)
  @object = _object
end

Instance Attribute Details

#object ⇒ Object (readonly)

Returns the value of attribute object.



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# File 'lib/power_types/patterns/observer/observer.rb', line 3

def object
  @object
end

Class Method Details

.add_trigger(_type, _event, _handler = nil, _options = {}, &_block) ⇒ Object 



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# File 'lib/power_types/patterns/observer/observer.rb', line 19

def self.add_trigger(_type, _event, _handler = nil, _options = {}, &_block)
  triggers << PowerTypes::Trigger.new(
    _type,
    _event,
    (_handler || _block),
    _options
  )

  triggers.last
end

.trigger(_type, _event, _object) ⇒ Object 



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# File 'lib/power_types/patterns/observer/observer.rb', line 13

def self.trigger(_type, _event, _object)
  triggers.select { |t| t.type == _type && t.event == _event }.each do |trigger|
    trigger.call(new(_object))
  end
end

.triggers ⇒ Object 



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# File 'lib/power_types/patterns/observer/observer.rb', line 30

def self.triggers
  @triggers ||= []
end