Module: Scorpion::Object

Includes:
Method
Included in:
Rails::Nest
Defined in:
lib/scorpion/object.rb

Overview

Identifies objects that are injected by scorpions that inject hunted dependencies.

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Method

#scorpion

Class Method Details

.infest(base) ⇒ Object

Infest the object with a scoprion and prepare it to be fed.



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# File 'lib/scorpion/object.rb', line 36

def self.infest( base )
  base.extend Scorpion::Object::ClassMethods
  if base.is_a? Class
    base.class_exec do

      # Create a new instance of this class with all non-lazy dependencies
      # satisfied.
      # @param [Hunt] hunt that this instance will be used to satisfy.
      def self.spawn( hunt, *args, **dependencies, &block )
        object =
          if dependencies.any?
            new( *args, **dependencies, &block )
          else
            new( *args, &block )
          end


        object.send :scorpion=, hunt.scorpion

        # Go hunt for dependencies that are not lazy and initialize the
        # references.
        hunt.inject object
        object
      end

    end

    base.subclasses.each do |sub|
      infest( sub ) unless sub < Scorpion::Object
    end
  end
end

.prepended(base) ⇒ Object 



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# File 'lib/scorpion/object.rb', line 74

def self.prepended( base )
  infest( base )
  super
end

Instance Method Details

#injected_attributes ⇒ Object 



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# File 'lib/scorpion/object.rb', line 17

def injected_attributes
  self.class.injected_attributes
end