Class: Juno::Expires

Inherits:
Proxy show all
Defined in:
lib/juno/expires.rb

Overview

Adds expiration support to the underlying store

#store and #load support the :expires option to set/update the expiration time.

Instance Attribute Summary

Attributes inherited from Proxy

#adapter

Instance Method Summary collapse

Methods inherited from Proxy

#clear, #close, #initialize

Methods inherited from Base

#[], #[]=, #close, #fetch

Constructor Details

This class inherits a constructor from Juno::Proxy

Instance Method Details

#delete(key, options = {}) ⇒ Object 



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# File 'lib/juno/expires.rb', line 31

def delete(key, options = {})
  check_expired(key, super, false)
end

#key?(key, options = {}) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/juno/expires.rb', line 9

def key?(key, options = {})
  !!load(key, options)
end

#load(key, options = {}) ⇒ Object 



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# File 'lib/juno/expires.rb', line 13

def load(key, options = {})
  value = check_expired(key, super(key, options))
  if value && options.include?(:expires)
    store(key, value, options)
  else
    value
  end
end

#store(key, value, options = {}) ⇒ Object 



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# File 'lib/juno/expires.rb', line 22

def store(key, value, options = {})
  if expires = options.delete(:expires)
    super(key, [value, Time.now.to_i + expires].compact, options)
  else
    super(key, [value], options)
  end
  value
end