Class: Excursion::Datastores::ActiveRecordWithMemcache

Inherits:
Datastore
  • Object
show all
Defined in:
lib/excursion/datastores/active_record_with_memcache.rb

Instance Method Summary collapse

Methods inherited from Datastore

#all_apps, #app, #application_class

Instance Method Details

#all ⇒ Object 



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# File 'lib/excursion/datastores/active_record_with_memcache.rb', line 31

def all
  hash = @cache.all
  return hash unless hash.nil? || hash.empty?
  @model.all
rescue Dalli::RingError => e
  rescue_from_dalli_ring_error(e) && retry
end

#delete(key) ⇒ Object Also known as: unset 



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# File 'lib/excursion/datastores/active_record_with_memcache.rb', line 25

def delete(key)
  @model.delete(key)
  @cache.delete(key)
end

#read(key) ⇒ Object Also known as: get 



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# File 'lib/excursion/datastores/active_record_with_memcache.rb', line 8

def read(key)
  value = @cache.read(key)
  return value unless value.nil?
  
  value = @model.read(key)
  @cache.write(key, value) unless value.nil?

  value
end

#write(key, value) ⇒ Object Also known as: set 



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# File 'lib/excursion/datastores/active_record_with_memcache.rb', line 19

def write(key, value)
  @model.write(key, value)
  @cache.write(key, value)
end