Class: CacheKeeper::Manager

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/cache_keeper/manager.rb', line 5

def initialize
  self.cached_methods = CacheKeeper::Store.new
end

Instance Attribute Details

#cached_methods ⇒ Object

Returns the value of attribute cached_methods.



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# File 'lib/cache_keeper/manager.rb', line 3

def cached_methods
  @cached_methods
end

Instance Method Details

#activate_if_handling(klass, method_name) ⇒ Object 



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# File 'lib/cache_keeper/manager.rb', line 23

def activate_if_handling(klass, method_name)
  cached_method = cached_methods.find_by(klass, method_name) or return

  if requires_activation?(cached_method)
    if unsupported_arity?(cached_method)
      raise "You're trying to cache a method with parameters, which we don't currently support."
    end

    CacheKeeper::ReplaceMethod.replace(cached_method) do
      instance_variable_get(:"@#{method_name}") || instance_variable_set(:"@#{method_name}", cached_method.call(self))
    end
  end
end

#handle(klass, method_name, options) ⇒ Object 



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# File 'lib/cache_keeper/manager.rb', line 13

def handle(klass, method_name, options)
  CacheKeeper::CachedMethod.new(klass, method_name, options).tap do |cached_method|
    if unsupported_options?(cached_method)
      raise "You're trying to autorefresh an ActiveRecord model, which we don't currently support."
    end

    cached_methods << cached_method
  end
end

#handled?(klass, method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cache_keeper/manager.rb', line 9

def handled?(klass, method_name)
  cached_methods.find_by(klass, method_name).present?
end