Class: Friendly::Memcached

Inherits:

Object

• Object
• Friendly::Memcached

show all

Defined in:

lib/friendly/memcached.rb

Instance Attribute Summary (collapse)

• - (Object) cache readonly

  Returns the value of attribute cache.

Instance Method Summary (collapse)

• - (Object) delete(key)
• - (Object) get(key)
• - (Memcached) initialize(cache) constructor

  A new instance of Memcached.

• - (Object) multiget(keys)
• - (Object) set(key, value)

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# File 'lib/friendly/memcached.rb', line 5

def initialize(cache)
  @cache = cache
end

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# File 'lib/friendly/memcached.rb', line 3

def cache
  @cache
end

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# File 'lib/friendly/memcached.rb', line 36

def delete(key)
  cache.delete(key)
rescue ::Memcached::NotFound
end

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# File 'lib/friendly/memcached.rb', line 13

def get(key)
  @cache.get(key)
rescue ::Memcached::NotFound
  if block_given?
    miss(key) { yield }
  end
end

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# File 'lib/friendly/memcached.rb', line 21

def multiget(keys)
  return {} if keys.empty?

  hits         = @cache.get(keys)
  missing_keys = keys - hits.keys

  if !missing_keys.empty? && block_given?
    missing_keys.each do |missing_key|
      hits.merge!(missing_key => miss(missing_key) { yield(missing_key) })
    end
  end

  hits
end

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# File 'lib/friendly/memcached.rb', line 9

def set(key, value)
  @cache.set(key, value)
end