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I18n::Backend::Cache

TODO Should the cache be cleared if new translations are stored?

Constants

USE_INSPECT_HASH

In Ruby < 1.9 the following is true: { :foo => 1, :bar => 2 }.hash == { :foo => 2, :bar => 1 }.hash Therefore we must use the hash of the inspect string instead to avoid cache key colisions.

Public Instance Methods

translate(locale, key, options = {}) click to toggle source
    # File lib/i18n/backend/cache.rb, line 65
65:       def translate(locale, key, options = {})
66:         I18n.perform_caching? ? fetch(cache_key(locale, key, options)) { super } : super
67:       end

Protected Instance Methods

_fetch(cache_key, &block) click to toggle source
    # File lib/i18n/backend/cache.rb, line 78
78:         def _fetch(cache_key, &block)
79:           result = I18n.cache_store.read(cache_key) and return result
80:           result = catch(:exception, &block)
81:           I18n.cache_store.write(cache_key, result) unless result.is_a?(Proc)
82:           result
83:         end
cache_key(locale, key, options) click to toggle source
    # File lib/i18n/backend/cache.rb, line 85
85:         def cache_key(locale, key, options)
86:           # This assumes that only simple, native Ruby values are passed to I18n.translate.
87:           "i18n/#{I18n.cache_namespace}/#{locale}/#{key.hash}/#{USE_INSPECT_HASH ? options.inspect.hash : options.hash}"
88:         end
fetch(cache_key, &block) click to toggle source
    # File lib/i18n/backend/cache.rb, line 71
71:         def fetch(cache_key, &block)
72:           result = _fetch(cache_key, &block)
73:           throw(:exception, result) if result.is_a?(MissingTranslation)
74:           result = result.dup if result.frozen? rescue result
75:           result
76:         end

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