class BtcPrice::Cache
Public Class Methods
new(backend)
click to toggle source
# File lib/btc_price/cache.rb, line 7 def initialize(backend) @backend = backend end
Public Instance Methods
clear()
click to toggle source
# File lib/btc_price/cache.rb, line 19 def clear $cache.delete 'price' end
current_price()
click to toggle source
# File lib/btc_price/cache.rb, line 11 def current_price begin read rescue Memcached::NotFound write end end
Private Instance Methods
read()
click to toggle source
# File lib/btc_price/cache.rb, line 25 def read $cache.get 'price' end
write()
click to toggle source
# File lib/btc_price/cache.rb, line 29 def write price = @backend.current_price $cache.set 'price', price price end