Class: Aspectory::Introspector

Inherits:
Object
  • Object
show all
Defined in:
lib/aspectory/introspector.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, options = {}) ⇒ Introspector

Returns a new instance of Introspector.



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# File 'lib/aspectory/introspector.rb', line 5

def initialize(klass, options={})
  @klass, @options = klass, options
  @observed_methods = { }
end

Instance Attribute Details

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/aspectory/introspector.rb', line 3

def klass
  @klass
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/aspectory/introspector.rb', line 3

def options
  @options
end

Instance Method Details

#defined_methods ⇒ Object 



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# File 'lib/aspectory/introspector.rb', line 23

def defined_methods
  (klass.instance_methods - Object.instance_methods).map(&:to_sym)
end

#has_method?(method_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aspectory/introspector.rb', line 27

def has_method?(method_id)
  klass.instance_method(method_id) rescue false
end

#observe(method_id, options = {}, &block) ⇒ Object 



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# File 'lib/aspectory/introspector.rb', line 10

def observe(method_id, options={}, &block)
  observe_klass!
  @observed_methods[method_id] ||= ObservedMethod.new(method_id, options)
  @observed_methods[method_id].push(block) if block_given?
end

#observe_klass! ⇒ Object 



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# File 'lib/aspectory/introspector.rb', line 16

def observe_klass!
  @observed ||= begin
    name = options[:meta] ? :singleton_method_added : :method_added
    install_hook(name) or true
  end
end

#observing?(method_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aspectory/introspector.rb', line 31

def observing?(method_id)
  not not @observed_methods[method_id]
end