Module: DataMapper::CounterCacheable

Included in:
Comment
Defined in:
lib/dm-counter-cache.rb,
lib/dm-counter-cache/version.rb

Overview

CounterCacheable allows you to transparently maintain counts on collection association of this model on the parent model. You can also specify a custom counter cache column by providing a column name instead of a true/false value to this option (e.g., :counter_cache => :my_custom_counter.)

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

VERSION = 
'0.9.8'

Class Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
19
 
# File 'lib/dm-counter-cache.rb', line 7

def self.included(klass)      
  DataMapper::Associations::ManyToOne.module_eval {
    extend DataMapper::CounterCacheable::ClassMethods
    
    (class << self; self; end).class_eval do
      unless method_defined?(:setup_without_counter_caching)
        alias_method :setup_without_counter_caching, :setup 
        alias_method :setup, :setup_with_counter_caching
      end
    end

  }
end