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

Instance Method Details

#all ⇒ Object 



31
32
33
34
35
36
37
 
# 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 



25
26
27
28
 
# 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 



8
9
10
11
12
13
14
15
16
 
# 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 



19
20
21
22
 
# File 'lib/excursion/datastores/active_record_with_memcache.rb', line 19

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