Class: Lux::Cache::MemoryCache

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

Constant Summary collapse

@@lock = 
Mutex.new
@@ram_cache = 
{}
@@ttl_cache = 
{}

Instance Method Summary collapse

Instance Method Details

#delete(key) ⇒ Object 



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# File 'lib/lux/cache/lib/memory.rb', line 27

def delete key
  @@lock.synchronize do
    @@ram_cache.delete(key)
  end
end

#fetch(key, ttl = nil) ⇒ Object 



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# File 'lib/lux/cache/lib/memory.rb', line 21

def fetch key, ttl=nil
  data = get key
  return data if data
  set(key, yield, ttl)
end

#get(key) ⇒ Object 



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# File 'lib/lux/cache/lib/memory.rb', line 13

def get key
  if ttl_check = @@ttl_cache[key]
    return nil if ttl_check < Time.now.to_i
  end

  @@ram_cache[key]
end

#get_multi(*args) ⇒ Object 



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# File 'lib/lux/cache/lib/memory.rb', line 33

def get_multi(*args)
  @@ram_cache.select{ |k,v| args.index(k) }
end

#set(key, data, ttl = nil) ⇒ Object 



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# File 'lib/lux/cache/lib/memory.rb', line 6

def set key, data, ttl=nil
  @@lock.synchronize do
    @@ttl_cache[key] = Time.now.to_i + ttl if ttl
    @@ram_cache[key] = data
  end
end