Class: Lapsoss::Pipeline

Inherits:
Object
  • Object
show all
Defined in:
lib/lapsoss/pipeline.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Pipeline

Returns a new instance of Pipeline.



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# File 'lib/lapsoss/pipeline.rb', line 5

def initialize
  @middlewares = []
  @built = false
  @app = nil
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/lapsoss/pipeline.rb', line 18

def build
  return @app if @built

  # Build the middleware chain from inside out
  @app = build_chain
  @built = true
  @app
end

#call(event, hint = {}) ⇒ Object 



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# File 'lib/lapsoss/pipeline.rb', line 27

def call(event, hint = {})
  build unless @built
  @app.call(event, hint)
end

#middlewares ⇒ Object 



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# File 'lib/lapsoss/pipeline.rb', line 39

def middlewares
  @middlewares.dup
end

#reset ⇒ Object 



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# File 'lib/lapsoss/pipeline.rb', line 32

def reset
  @middlewares.clear
  @built = false
  @app = nil
  self
end

#use(middleware_class, *args, **kwargs) ⇒ Object 



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# File 'lib/lapsoss/pipeline.rb', line 11

def use(middleware_class, *args, **kwargs)
  raise "Cannot modify pipeline after it's built" if @built

  @middlewares << { class: middleware_class, args: args, kwargs: kwargs }
  self
end