Module: Shallow::Method

Defined in:
lib/shallow.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.with_cache_clearing_for(context) ⇒ Object 



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

def self.with_cache_clearing_for(context)
  yield and return unless context.respond_to?(:returning_value_cache_caller)
  old_method = context.method(:returning_value_cache_caller)
  context.meta_def(:returning_value_cache_caller) do
    Shallow::Caller::Clear
  end
  yield
ensure
  context.meta_def(:returning_value_cache_caller, &old_method)
end

Instance Method Details

#shallow_method(method_name, options = {}) ⇒ Object 



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# File 'lib/shallow.rb', line 17

def shallow_method(method_name, options = {})
  scope = options[:scope] || options['scope'] || lambda { nil }
  class_eval do
    define_method(:returning_value_cache_caller) do
      Shallow::Caller::Base
    end
    old_method = instance_method(method_name.to_sym)
    define_method(method_name.to_sym) do |*args, &block|
      returning_value_cache_caller.new(
      :args => args,
      :keys => [instance_eval(&scope).to_s, method_name],
      :capture => old_method.bind(self)
      ).call(&block)
    end
  end
end