Class: Coach::MiddlewareItem

Inherits:
Object
  • Object
show all
Defined in:
lib/coach/middleware_item.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(middleware, config = {}) ⇒ MiddlewareItem

Returns a new instance of MiddlewareItem.



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# File 'lib/coach/middleware_item.rb', line 8

def initialize(middleware, config = {})
  @middleware = middleware
  @config = config
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/coach/middleware_item.rb', line 6

def config
  @config
end

#middleware ⇒ Object

Returns the value of attribute middleware.



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# File 'lib/coach/middleware_item.rb', line 6

def middleware
  @middleware
end

Instance Method Details

#build_middleware(context, successor) ⇒ Object 



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# File 'lib/coach/middleware_item.rb', line 13

def build_middleware(context, successor)
  @middleware.new(context, successor && successor.instrument, @config)
end

#use_with_context?(context) ⇒ Boolean

Requires tweaking to make it run methods by symbol on the class from which the ‘uses` call is made.

Returns:

  • (Boolean) 


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# File 'lib/coach/middleware_item.rb', line 19

def use_with_context?(context)
  return true if @config[:if].nil?
  return @config[:if].call(context) if @config[:if].respond_to?(:call)
  middleware.send(@config[:if], context)
end

#validate! ⇒ Object

Runs validation against the middleware chain, raising if any unmet dependencies are discovered.



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# File 'lib/coach/middleware_item.rb', line 27

def validate!
  MiddlewareValidator.new(middleware).validated_provides!
end