Sha256: a79962f752ba0b1731d7ec95adf424acdeb11706629a16de9eb3355c5b5c1fb6
Contents?: true
Size: 1.15 KB
Versions: 6
Compression:
Stored size: 1.15 KB
Contents
require "infopark_component_cache/guards/cms_state_guard" module InfoparkComponentCache module Guards # @author Tomasz Przedmojski <tomasz.przedmojski@infopark.de> # # This Guard class ensures that the total count of Objs in the database # does not change inbetween. (It caches the number of Objs and compares # it to the current count) class ObjCount < CmsStateGuard def consistent? count_known? && no_changes_since? end def guard! cache.write(cache_key, current_count) end # @return true if obj count can be read from cache with {#cache_key} def count_known? cache.exist?(cache_key) && cache.read(cache_key).kind_of?(Integer) end # @return true if no obj has been deleted or added since last {#guard!} def no_changes_since? current_count == cache.read(cache_key) end # @return [String] the cache key for storing {#current_count} def cache_key component.cache_key("obj_count") end # @return [Integer] the number of Objs in the database def current_count scoped_relation.count end end end end
Version data entries
6 entries across 6 versions & 1 rubygems