Anton B antonbaron
antonbaron
/ cache_tag_invalidation.rb
Created
September 23, 2012 01:50
Simulates Rails cache tags invalidation. Allows using cache like Rails.cache.fetch [key, tag] do .... end and Rails.cache.clear_tag tag
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| # config/initializers/cache_tag_invalidation.rb | |
| module CacheTagInvalidation | |
| puts <<-WARNING | |
| Adding cache tag invalidation. | |
| NOTICE that this will work only with MemoryStore on single process or with memcached store | |
| WARNING | |
| def write *args | |
| if args.first.is_a?(Array) && args.first.size == 2 # Simulate tags only whan cache key is an array of 2 elements | |
| key, tag = args.first | |
| taglist_key = ["CacheTagList", tag] |