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Merge pull request #1687 from bf4/lazyify_calculating_caller_digest

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Lazify calculating caller file digest until used
This commit is contained in:
Benjamin Fleischer
2016-04-18 16:09:24 -05:00
parent b4f3d3bd3c 1d24c9708a
commit 7485c8487e
2 changed files with 10 additions and 3 deletions
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12
lib/active_model/serializer/caching.rb
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@@ -18,8 +18,9 @@ module ActiveModel
# force
# race_condition_ttl
# Passed to ::_cache as
# serializer._cache.fetch(cache_key, @klass._cache_options)
serializer.class_attribute :_cache_digest # @api private : Generated
# serializer.cache_store.fetch(cache_key, @klass._cache_options)
# Passed as second argument to serializer.cache_store.fetch(cache_key, self.class._cache_options)
serializer.class_attribute :_cache_digest_file_path # @api private : Derived at inheritance
end
end
@@ -42,7 +43,12 @@ module ActiveModel
def inherited(base)
super
caller_line = caller[1]
base._cache_digest = digest_caller_file(caller_line)
base._cache_digest_file_path = caller_line
end
def _cache_digest
return @_cache_digest if defined?(@_cache_digest)
@_cache_digest = digest_caller_file(_cache_digest_file_path)
end
# Hashes contents of file for +_cache_digest+