Class: NullChainer

Inherits:
BasicObject
Defined in:
lib/nullobject_chain.rb

Instance Method Summary collapse

Constructor Details

#initialize(obj) ⇒ NullChainer

Returns a new instance of NullChainer.



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# File 'lib/nullobject_chain.rb', line 2

def initialize(obj)
  @obj = obj
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/nullobject_chain.rb', line 10

def method_missing(name, *args, &block)
  begin
    ::NullChainer.new(@obj.send(name, *args, &block)) 
  rescue ::NoMethodError
    if @obj.nil?
      ::NullChainer.new(::Null::Object.instance)
    else
      super
    end
  end
end

Instance Method Details

#get ⇒ Object 



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# File 'lib/nullobject_chain.rb', line 6

def get
  @obj
end