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Contents
module Moneta
# A meta-store that is backed by one or more Moneta stores.
# Read operations select a random store, write operations write to all stores.
class Monetas
def initialize(options = {})
@caches = options[:stores] || raise("You must provide the :stores options")
end
module Implementation
def key?(key)
read_cache.key?(key)
end
def has_key?(key)
key?(key)
end
def [](key)
read_cache[key]
end
def fetch(key, value = nil)
value ||= block_given? ? yield(key) : default # TODO: Shouldn't yield if key is present?
read_cache[key] || value
end
def []=(key, value)
@caches.map do |cache|
cache[key] = value
end.first
end
def delete(key)
@caches.map do |cache|
cache.delete(key)
end.first
end
def store(*args)
@caches.map do |cache|
cache.store(*args)
end.first
end
def clear(*args)
@caches.map do |cache|
cache.clear(*args)
end.first
end
end
# Unimplemented
module Expiration
def update_key(key, options)
end
end
include Implementation
include Expiration
protected
def read_cache
@caches[rand(@caches.size)]
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems