Class: VirtualFS::DalliCache

Inherits:
Object
  • Object
show all
Defined in:
lib/virtualfs/dalli_cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ DalliCache

Returns a new instance of DalliCache.



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# File 'lib/virtualfs/dalli_cache.rb', line 7

def initialize(opts={})
  @expires_after = opts[:expires_after] || -1

  opts[:expires_in] = [0, @expires_after].max
  opts[:namespace] ||= 'virtualfs'

  @client = Dalli::Client.new(opts[:host], opts)
end

Instance Attribute Details

#expires_after ⇒ Object

Returns the value of attribute expires_after.



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# File 'lib/virtualfs/dalli_cache.rb', line 5

def expires_after
  @expires_after
end

Instance Method Details

#cache(key, &proc) ⇒ Object 



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# File 'lib/virtualfs/dalli_cache.rb', line 16

def cache(key, &proc)
  value = @client.get(key)

  unless value
    value = yield
    @client.set(key, value)
  end

  value
end