Class: Aspector::Interception

Inherits:
Object
  • Object
show all
Defined in:
lib/aspector/interception.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(aspect, target, options) ⇒ Interception

Returns a new instance of Interception.



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# File 'lib/aspector/interception.rb', line 7

def initialize aspect, target, options
  @aspect  = aspect
  @target  = target
  @options = options
  @wrapped_methods = {}
end

Instance Attribute Details

#aspect ⇒ Object (readonly)

Returns the value of attribute aspect.



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# File 'lib/aspector/interception.rb', line 5

def aspect
  @aspect
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/aspector/interception.rb', line 5

def options
  @options
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'lib/aspector/interception.rb', line 5

def target
  @target
end

Instance Method Details

#advices ⇒ Object 



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# File 'lib/aspector/interception.rb', line 18

def advices
  @aspect.class.advices
end

#apply ⇒ Object 



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# File 'lib/aspector/interception.rb', line 26

def apply
  invoke_deferred_logics
  define_methods_for_advice_blocks
  add_to_instances unless @options[:existing_methods_only]
  apply_to_methods unless @options[:new_methods_only]
  add_method_hooks unless @options[:existing_methods_only]
  # TODO: clear deferred logic results if they are not used in any advice
  return
end

#apply_to_method(method, scope = nil) ⇒ Object 



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# File 'lib/aspector/interception.rb', line 68

def apply_to_method method, scope = nil
  filtered_advices = filter_advices advices, method
  return if filtered_advices.empty?

  logger.debug 'apply-to-method', method

  scope ||=
      if context.private_instance_methods.include?(method.to_sym)
        :private
      elsif context.protected_instance_methods.include?(method.to_sym)
        :protected
      else
        :public
      end

  recreate_method method, filtered_advices, scope
end

#apply_to_methods ⇒ Object 



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# File 'lib/aspector/interception.rb', line 36

def apply_to_methods
  return if advices.empty?

  # If method/methods option is set and all are String or Symbol, apply to those only, instead of
  # iterating through all methods
  methods = [@options[:method] || @options[:methods]]
  methods.compact!
  methods.flatten!

  if not methods.empty? and methods.all?{|method| method.is_a? String or method.is_a? Symbol }
    methods.each do |method|
      apply_to_method(method.to_s)
    end

    return
  end

  context.public_instance_methods.each do |method|
    apply_to_method(method.to_s, :public)
  end

  context.protected_instance_methods.each do |method|
    apply_to_method(method.to_s, :protected)
  end

  if @options[:private_methods]
    context.private_instance_methods.each do |method|
      apply_to_method(method.to_s, :private)
    end
  end
end

#disabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aspector/interception.rb', line 14

def disabled?
  @aspect.disabled?
end

#logger ⇒ Object 



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# File 'lib/aspector/interception.rb', line 22

def logger
  @logger ||= Logging.get_logger(self)
end