Module: ActionView::LookupContext::DetailsCache

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In: `::ActionView::LookupContext`
Defined in:	actionview/lib/action_view/lookup_context.rb

Overview

Add caching behavior on top of Details.

Instance Attribute Summary

#cache rw

Instance Method Summary

#disable_cache

Temporary skip passing the details_key forward.
#_set_detail(key, value) private
#details_key Internal use only

Calculate the details key.

Instance Attribute Details

#cache (rw)

[ GitHub ]

# File 'actionview/lib/action_view/lookup_context.rb', line 99


attr_accessor :cache

Instance Method Details

#_set_detail(key, value) (private)

[ GitHub ]

# File 'actionview/lib/action_view/lookup_context.rb', line 116


def _set_detail(key, value) # :doc:
  @details = @details.dup if @digest_cache || @details_key
  @digest_cache = nil
  @details_key = nil
  @details[key] = value
end

#details_key

This method is for internal use only.

Calculate the details key. Remove the handlers from calculation to improve performance since the user cannot modify it explicitly.

[ GitHub ]

# File 'actionview/lib/action_view/lookup_context.rb', line 103


def details_key # :nodoc:
  @details_key ||= DetailsKey.details_cache_key(@details) if @cache
end

#disable_cache

Temporary skip passing the details_key forward.

[ GitHub ]

# File 'actionview/lib/action_view/lookup_context.rb', line 108


def disable_cache
  old_value, @cache = @cache, false
  yield
ensure
  @cache = old_value
end