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, after_init: nil) ⇒ Object

Returns nil.

Parameters:

  • bean_name (Symbol) —

    bean name

  • scope (Symbol) (defaults to: nil) —

    bean scope (defaults to :singleton)

  • package (nil or Symbol) (defaults to: nil)
  • factory_method (nil or Symbol) (defaults to: nil) —

    factory method to get bean

  • instance (Boolean) (defaults to: true) —

    instance based bean or class-based

  • context (Symbol) (defaults to: nil) —

    set bean context (ex: :test)

  • after_init (Symbol) (defaults to: nil) —

    name of bean method that will be called after bean initialization (ex: :test)

Returns:

  • nil



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# File 'lib/smart_ioc/iocify.rb', line 34

def bean(bean_name, scope: nil, package: nil, instance: true, factory_method: nil, context: nil, after_init: 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,
    after_init:     after_init,
  )

  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.

Parameters:

  • bean_name (Symbol) —

    injected bean name

  • ref (Symbol) (defaults to: nil) —

    refferece bean to be sef as bean_name

  • from (Symbol) (defaults to: nil) —

    package name

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 82

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
  )

  bean_method = Proc.new do
    bean = instance_variable_get(:"@#{bean_name}")
    return bean if bean

    klass = self.is_a?(Class) ? self : self.class
    bean_definition = SmartIoC::Container.get_instance.get_bean_definition_by_class(klass)

    bean = SmartIoC::Container.get_instance.get_bean(
      ref || bean_name,
      package: from,
      parent_bean_definition: bean_definition
    )

    instance_variable_set(:"@#{bean_name}", bean)
  end

  if bean_definition.is_instance?
    define_method bean_name, &bean_method
    private bean_name
  else
    define_singleton_method bean_name, &bean_method

    class_eval %Q(
      class << self
        private :#{bean_name}
      end
    )
  end

  nil
end