Class: Datacenter::Cache

Inherits:

Object

• Object
• Datacenter::Cache

Defined in:

lib/datacenter/cache.rb

Instance Method Summary

• #fetch(key, &block) ⇒ Object
• #initialize(expiration_time = nil) ⇒ Cache constructor

  A new instance of Cache.

Constructor Details

#initialize(expiration_time = nil) ⇒ Cache

Returns a new instance of Cache.

# File 'lib/datacenter/cache.rb', line 4

def initialize(expiration_time=nil)
  @expiration_time = expiration_time
  @data = {}
end

Instance Method Details

#fetch(key, &block) ⇒ Object

# File 'lib/datacenter/cache.rb', line 9

def fetch(key, &block)
  set key, block.call if !data.key?(key) || expired?(key)
  get key
end