Module: Reflekt

Defined in:
lib/Reflekt.rb

Defined Under Namespace

Modules: SingletonClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.configure {|@@reflekt.config| ... } ⇒ Object

Provide Config instance to block.

Yields:

  • (@@reflekt.config) 


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# File 'lib/Reflekt.rb', line 157

def self.configure
  yield(@@reflekt.config)
end

Instance Method Details

#initialize(*args) ⇒ Object 



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# File 'lib/Reflekt.rb', line 35

def initialize(*args)

  # TODO: Store counts on @@reflekt and key by instance ID.
  @reflekt_counts = {}

  # Get child and parent instance methods.
  parent_instance_methods = self.class.superclass.instance_methods(false)
  child_instance_methods = self.class.instance_methods(false)
  instance_methods = parent_instance_methods + child_instance_methods

  # TODO: Include core methods like "Array.include?".
  instance_methods.each do |method|

    @reflekt_counts[method] = 0

    # When method called in flow.
    self.define_singleton_method(method) do |*args|

      # When Reflekt enabled and control reflection has executed without error.
      if @@reflekt.config.enabled && !@@reflekt.error

        # Get current execution.
        execution = @@reflekt.stack.peek()

        # Don't reflect when reflect limit reached or method skipped.
        unless (@reflekt_counts[method] >= @@reflekt.config.reflect_limit) || self.class.reflekt_skipped?(method)

          # When stack empty or past execution done reflecting.
          if execution.nil? || execution.has_finished_reflecting?

            # Create execution.
            execution = Execution.new(self, method, @@reflekt.config.reflect_amount, @@reflekt.stack)

            @@reflekt.stack.push(execution)

          end

          ##
          # Reflect the execution.
          #
          # The first method call in the execution creates a reflection.
          # Then method calls are shadow executions which return to the reflection.
          ##
          if execution.has_empty_reflections? && !execution.is_reflecting?
            execution.is_reflecting = true

            # Create control.
            control = Control.new(execution, 0, @@reflekt.aggregator)
            execution.control = control

            # Execute control.
            control.reflect(*args)

            # Stop reflecting when control fails to execute.
            if control.status == :error
              @@reflekt.error = true
            # Continue reflecting when control executes succesfully.
            else

              # Save control as reflection.
              @@reflekt.db.get("reflections").push(control.serialize())

              # Multiple reflections per execution.
              execution.reflections.each_with_index do |value, index|

                # Create reflection.
                reflection = Reflection.new(execution, index + 1, @@reflekt.aggregator)
                execution.reflections[index] = reflection

                # Execute reflection.
                reflection.reflect(*args)
                @reflekt_counts[method] = @reflekt_counts[method] + 1

                # Save reflection.
                @@reflekt.db.get("reflections").push(reflection.serialize())

              end

              # Save control.
              @@reflekt.db.get("controls").push(control.serialize())

              # Save results.
              @@reflekt.db.write()

              # Render results.
              @@reflekt.renderer.render()

            end

            execution.is_reflecting = false
          end

        end

        # Don't execute skipped methods when reflecting.
        unless execution.is_reflecting? && self.class.reflekt_skipped?(method)

          # Continue execution / shadow execution.
          super *args

        end

      # When Reflekt disabled or control reflection failed.
      else

        # Continue execution.
        super *args

      end

    end

  end

  # Continue initialization.
  super

end