Module: Surrounded::Context::Initializing

Defined in:
lib/surrounded/context/initializing.rb

Instance Method Summary collapse

Instance Method Details

#apply_initializer_block(instance) ⇒ Object 



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# File 'lib/surrounded/context/initializing.rb', line 26

def apply_initializer_block(instance)
  instance.instance_eval(&initializer_block) if initializer_block
end

#default_initializer(params, setup_args, &block) ⇒ Object 



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# File 'lib/surrounded/context/initializing.rb', line 30

def default_initializer(params, setup_args, &block)
  private_attr_reader(*setup_args)
  @initializer_block = block
  mod = Module.new
  line = __LINE__; mod.class_eval %{
    def initialize(#{params})
      @role_map = role_mapper_class.new
      @initializer_arguments = Hash[#{setup_args.to_s}.zip([#{setup_args.join(',')}])]
      map_roles(@initializer_arguments)
      self.class.apply_initializer_block(self)
    end
  }, __FILE__, line
  const_set("ContextInitializer", mod)
  include mod
  private_attr_reader :initializer_arguments
end

#initialize(*setup_args, &block) ⇒ Object 



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# File 'lib/surrounded/context/initializing.rb', line 10

def initialize(*setup_args, &block)
  warn "Deprecated: The behavior of 'initialize' will require keywords in the future
      Consider using keyword arguments or switching to 'initialize_without_keywords'\n\n"
  initialize_without_keywords(*setup_args, &block)
end

#initialize_without_keywords(*setup_args, &block) ⇒ Object

Shorthand for creating an instance level initialize method which handles the mapping of the given arguments to their named role.



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# File 'lib/surrounded/context/initializing.rb', line 6

def initialize_without_keywords(*setup_args, &block)
  parameters = setup_args.join(',')
  default_initializer(parameters, setup_args, &block)
end

#initializer_block ⇒ Object 



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# File 'lib/surrounded/context/initializing.rb', line 22

def initializer_block
  @initializer_block
end

#keyword_initialize(*setup_args, &block) ⇒ Object Also known as: initialize_with_keywords 



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# File 'lib/surrounded/context/initializing.rb', line 16

def keyword_initialize(*setup_args, &block)
  parameters = setup_args.map{|a| "#{a}:"}.join(',')
  default_initializer(parameters, setup_args, &block)
end