Module: SmartIoC::Iocify::ClassMethods

Defined in:
lib/smart_ioc/iocify.rb

Instance Method Summary collapse

Instance Method Details

#bean(bean_name, scope: nil, package: nil, instance: true, factory_method: nil, context: nil) ⇒ Object 



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# File 'lib/smart_ioc/iocify.rb', line 33

def bean(bean_name, scope: nil, package: nil, instance: true, factory_method: nil, context: nil)
  file_path = caller[0].split(':').first

  bean_definition = SmartIoC.get_bean_definition_by_class(self)

  if bean_definition
    if bean_definition.path == file_path
      # seems that file with bean definition was reloaded
      # lets clear all scopes so we do not have
      container = SmartIoC::Container.get_instance
      container.unregister_bean(self)
      container.force_clear_scopes
    else
      raise ArgumentError, "bean with for class #{self.to_s} was already defined in #{bean_definition.path}"
    end
  end

  bean_definition = SmartIoC.register_bean(
    bean_name:      bean_name,
    klass:          self,
    scope:          scope,
    path:           file_path,
    package_name:   package,
    instance:       instance,
    factory_method: factory_method,
    context:        context
  )

  if bean_definition.is_instance?
    class_eval %Q(
      def initialize
        raise ArgumentError, "constructor based allocation is not allowed for beans. Use ioc container to allocate bean."
      end
    )
  end

  nil
end

#inject(bean_name, ref: nil, from: nil) ⇒ Object

Returns nil.

Raises:

  • (ArgumentError) —

    if bean_name is not a Symbol

  • (ArgumentError) —

    if ref provided and ref is not a Symbol

  • (ArgumentError) —

    if from provided and from is not a Symbol

  • (ArgumentError) —

    if bean with same name was injected before



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# File 'lib/smart_ioc/iocify.rb', line 80

def inject(bean_name, ref: nil, from: nil)
  bean_definition = SmartIoC::Container.get_instance.get_bean_definition_by_class(self)

  if bean_definition.nil?
    raise ArgumentError, "#{self.to_s} is not registered as bean. Add `bean :bean_name` declaration"
  end

  bean_definition.add_dependency(
    bean_name: bean_name,
    ref:       ref,
    package:   from
  )

  if bean_definition.is_instance?
    class_eval %Q(
      private
        attr_reader :#{bean_name}
    )
  else
    class_eval %Q(
      class << self
        private
          attr_reader :#{bean_name}
      end
    )
  end

  nil
end