Module: Proton::Cacheable

Included in:
Page
Defined in:
lib/proton/cacheable.rb

Overview

Module: Cache

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cache(*args) ⇒ Object 



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# File 'lib/proton/cacheable.rb', line 19

def self.cache(*args)
  if enabled?
    @cache ||= Hash.new
    args   = args.map { |s| s.to_s }.join('-')
    @cache[args] ||= yield
  else
    yield
  end
end

.disable! ⇒ Object 



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# File 'lib/proton/cacheable.rb', line 8

def self.disable!
  @enabled = false
end

.enable! ⇒ Object 



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# File 'lib/proton/cacheable.rb', line 4

def self.enable!
  @enabled = true
end

.enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/proton/cacheable.rb', line 12

def self.enabled?()
  !! @enabled
end

Instance Method Details

#cache_method(*methods) ⇒ Object 



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# File 'lib/proton/cacheable.rb', line 29

def cache_method(*methods)
  methods.each do |method|
    alias_method :"real_#{method}", method

    class_eval do
      define_method(method) { |*args|
        id = nil
        id ||= self.file  if respond_to?(:file)
        id ||= self.to_s

        Cacheable.cache self.class, method, id, args do
          send :"real_#{method}", *args
        end
      }
    end
  end
end