# File lib/action_view/digestor.rb, line 12 def digest(name, format, finder, options = {}) cache_key = ([name, format] + 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, name, format, finder, options) end end end
# File lib/action_view/digestor.rb, line 60 def dependencies DependencyTracker.find_dependencies(name, template) rescue ActionView::MissingTemplate [] # File doesn't exist, so no dependencies end
# File lib/action_view/digestor.rb, line 51 def digest Digest::MD5.hexdigest("#{source}-#{dependency_digest}").tap do |digest| logger.try :info, "Cache digest for #{name}.#{format}: #{digest}" end rescue ActionView::MissingTemplate logger.try :error, "Couldn't find template for digesting: #{name}.#{format}" '' end
# File lib/action_view/digestor.rb, line 66 def nested_dependencies dependencies.collect do |dependency| dependencies = PartialDigestor.new(dependency, format, finder).nested_dependencies dependencies.any? ? { dependency => dependencies } : dependency end end
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