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Versions: 33
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Contents
module Sequel
class Model
def self.set_cache(store, opts = {})
@cache_store = store
if (ttl = opts[:ttl])
set_cache_ttl(ttl)
end
meta_def(:[]) do |*args|
if (args.size == 1) && (Hash === (h = args.first))
return dataset[h]
end
unless obj = @cache_store.get(cache_key_from_values(args))
obj = dataset[primary_key_hash((args.size == 1) ? args.first : args)]
@cache_store.set(cache_key_from_values(args), obj, cache_ttl)
end
obj
end
class_def(:set) {|v| store.delete(cache_key); super}
class_def(:save) {store.delete(cache_key); super}
class_def(:delete) {store.delete(cache_key); super}
end
def self.set_cache_ttl(ttl)
@cache_ttl = ttl
end
def self.cache_store
@cache_store
end
def self.cache_ttl
@cache_ttl ||= 3600
end
def self.cache_key_from_values(values)
"#{self}:#{values.join(',')}"
end
end
end
Version data entries
33 entries across 33 versions & 2 rubygems