method

digest

v4.1.8 - Show latest stable - Class: ActionView::Digestor

digest(options)

public

Supported options:

name - Template name
finder - An instance of ActionView::LookupContext
dependencies - An array of dependent views
partial - Specifies whether the template is a partial

# File actionview/lib/action_view/digestor.rb, line 18
      def digest(options)
        options.assert_valid_keys(:name, :finder, :dependencies, :partial)

        cache_key = ([ options[:name], options[:finder].details_key.hash ].compact + Array.wrap(options[:dependencies])).join('.')

        # this is a correctly done double-checked locking idiom
        # (ThreadSafe::Cache's lookups have volatile semantics)
        @@cache[cache_key] || @@digest_monitor.synchronize do
          @@cache.fetch(cache_key) do # re-check under lock
            compute_and_store_digest(cache_key, options)
          end
        end
      end

digest

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