Module: StorageRoom::IdentityMap

Extended by:
ActiveSupport::Concern
Defined in:
lib/storage_room/identity_map.rb

Overview

With inspiration from John Nunemaker’s MongoMapper

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.clear ⇒ Object 



14
15
16
 
# File 'lib/storage_room/identity_map.rb', line 14

def self.clear
  models.each { |m| m.identity_map.clear }
end

.models ⇒ Object 



10
11
12
 
# File 'lib/storage_room/identity_map.rb', line 10

def self.models
  @models ||= ::Set.new
end

Instance Method Details

#create(*args) ⇒ Object 



106
107
108
109
110
111
 
# File 'lib/storage_room/identity_map.rb', line 106

def create(*args)
  if result = super
    identity_map[self[:@url]] = self if self.class.identity_map_on?
  end
  result
end

#destroy ⇒ Object 



113
114
115
116
 
# File 'lib/storage_room/identity_map.rb', line 113

def destroy 
 identity_map.delete(self[:@url]) if self.class.identity_map_on?
 super
end

#identity_map ⇒ Object 



97
98
99
 
# File 'lib/storage_room/identity_map.rb', line 97

def identity_map
  self.class.identity_map
end

#in_identity_map? ⇒ Boolean

Returns:

  • (Boolean) 


101
102
103
104
 
# File 'lib/storage_room/identity_map.rb', line 101

def in_identity_map?
  return false if self[:@url].blank?
  identity_map.include?(self[:@url])
end