Class: BufferedProxy

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

Instance Method Summary collapse

Constructor Details

#initialize(object, proxy_methods, alias_methods = { :flush_method => :flush, :clear_method => :clear }) ⇒ BufferedProxy

Returns a new instance of BufferedProxy.



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# File 'lib/buffered_proxy.rb', line 3

def initialize object, proxy_methods, alias_methods = { :flush_method => :flush, :clear_method => :clear }
  @object       = object
  @instructions = []

  self.class.send :define_method, :add_0df791f42fefd98158a0d1f1b8e52dcd do |*target_arguments, &block|
    method = target_arguments.shift
    unless method.is_a?(Symbol)
      raise "Target method is not a symbol: #{method.inspect}"
    end
    unless @object.respond_to? method
      raise "Target does not respond to method: #{method}"
    end

    instruction = [method, target_arguments]
    instruction << block if block
    @instructions << instruction
  end

  proxy_methods.each do |method|
    self.class.send :define_method, method do |*arguments, &block|
      add_0df791f42fefd98158a0d1f1b8e52dcd method, *arguments, &block
    end
  end

  self.class.send :define_method, alias_methods[:flush_method] do
    @instructions.each do |instruction|
      method, arguments, block = instruction
      if block
        @object.send(method, *arguments, &block)
      else
        @object.send(method, *arguments)
      end
    end
    @instructions = []
  end

  self.class.send :define_method, alias_methods[:clear_method] do
    @instructions = []
  end

end