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require 'drb'
module Innate
class Cache
# Cache utilizing a DRb server.
#
# You will need to run a corresponding DRb server to use this cache. The
# example below is using a normal Hash, but it is recommended to use a
# thread-safe alternative like SyncHash.
#
# @example usage of DRb server
# require 'drb'
#
# URI = "druby://127.0.0.1:9069"
# CACHE = {}
#
# $SAFE = 1 # disable eval and friends
#
# DRb.start_service(URI, CACHE)
# DRb.thread.join
#
# Please note that on some Ruby implementations, access to Hash is not
# atomic and you might need to lock around access to avoid race conditions.
#
# @example for all caches
# Innate.options.cache.default = Innate::Cache::DRb
#
# @example for sessions only
# Innate.options.cache.session = Innate::Cache::DRb
class DRb
include Cache::API
OPTIONS = {:address => '127.0.0.1', :port => 9069}
def cache_setup(*args)
address, port = OPTIONS.values_at(:address, :port)
@store = DRbObject.new(nil, "druby://#{address}:#{port}")
end
def cache_clear
@store.clear
end
def cache_store(*args)
super{|key, value| @store[key] = value }
end
def cache_fetch(*args)
super{|key| @store[key] }
end
def cache_delete(*args)
super{|key| @store.delete(key) }
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems