Class: Poniard::Injector

Inherits:
Object
  • Object
show all
Defined in:
lib/poniard/injector.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sources) ⇒ Injector

Returns a new instance of Injector.



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# File 'lib/poniard/injector.rb', line 7

def initialize(sources)
  @sources = sources + [self]
end

Instance Attribute Details

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/poniard/injector.rb', line 5

def sources
  @sources
end

Instance Method Details

#dispatch(method, overrides = {}) ⇒ Object 



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# File 'lib/poniard/injector.rb', line 11

def dispatch(method, overrides = {})
  args = method.parameters.map {|_, name|
    source = (
      [OpenStruct.new(overrides)] +
      sources
    ).detect {|source| source.respond_to?(name) }
    if source
      dispatch(source.method(name), overrides)
    else
      UnknownInjectable.new(name)
    end
  }
  method.call(*args)
end

#injector ⇒ Object 



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# File 'lib/poniard/injector.rb', line 26

def injector
  self
end