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This is an alternative implementation of the observer pattern. As you may know, Ruby (and Rails/ActiveRecord) already have an implementation of it. This implementation is a variation of the pattern, so it is not supposed to supersede the existing implementations, but "complete" them for the specific use-cases addressed.

installgem install association_observers -v 0.0.3
Authors

Tiago Cardoso

3,830 total downloads 954 for this version
Owners

92db31ff036a0b365b88536674cb9352

Gemfile
gem 'association_observers', '~> 0.0.3'
Versions
  1. 0.0.6 April 25, 2013 (24.5 KB)
  2. 0.0.5 January 4, 2013 (19.5 KB)
  3. 0.0.4 December 14, 2012 (19.5 KB)
  4. 0.0.3 December 12, 2012 (16.5 KB)