Class: Kisyo::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/kisyo/cache.rb

Constant Summary collapse

CACHE_SIZE = 
100

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/kisyo/cache.rb', line 5

def initialize
  @keys = []
  @values = {}
  @m = Mutex.new
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/kisyo/cache.rb', line 11

def get(key)
  values[key]
end

#set(key, value) ⇒ Object 



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# File 'lib/kisyo/cache.rb', line 15

def set(key, value)
  m.synchronize do
    if values[key]
      return
    end

    keys << key
    values[key] = value

    if keys.size > CACHE_SIZE
      oldest_key = keys.shift
      values.delete(oldest_key)
    end
  end
end