Sha256: a192d5ecf3386e93473545de0046b55c317b3db8eeb5d6af6ba63b6b3b0d5fa6

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Size: 1.09 KB

Versions: 20

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Stored size: 1.09 KB

Contents

# encoding: utf-8
module Dynamoid #:nodoc:

  # The has_many association.
  module Associations
    class HasMany
      include ManyAssociation

      private

      # Find the target association, always a :belongs_to association. Uses either options[:inverse_of] or the source class name 
      # and default parsing to return the most likely name for the target association.
      #
      # @since 0.2.0
      def target_association
        key_name = options[:inverse_of] || source.class.to_s.singularize.underscore.to_sym
        guess = target_class.associations[key_name]
        return nil if guess.nil? || guess[:type] != :belongs_to
        key_name
      end

      # Associate a source object to this association.
      #
      # @since 0.2.0                  
      def associate_target(object)
        object.update_attribute(target_attribute, Set[source.id])
      end
      
      # Disassociate a source object from this association.
      #
      # @since 0.2.0      
      def disassociate_target(object)
        object.update_attribute(target_attribute, nil)
      end
      
    end
  end
  
end

Version data entries

20 entries across 20 versions & 4 rubygems

Version Path
dynamoid-1.2.1 lib/dynamoid/associations/has_many.rb
dynamoid-1.2.0 lib/dynamoid/associations/has_many.rb
dynamoid-edge-1.1.2 lib/dynamoid/associations/has_many.rb
dynamoid-edge-1.1.1 lib/dynamoid/associations/has_many.rb
dynamoid-edge-1.1.0 lib/dynamoid/associations/has_many.rb
dynamoid-1.1.0 lib/dynamoid/associations/has_many.rb
dynamoid-1.0.0 lib/dynamoid/associations/has_many.rb
dynamoid-moda-0.7.2 lib/dynamoid/associations/has_many.rb
dynamoid-moda-0.7.1 lib/dynamoid/associations/has_many.rb
dynamoid-0.7.1 lib/dynamoid/associations/has_many.rb
dynamoid-0.7.0 lib/dynamoid/associations/has_many.rb
dynamoid-0.6.1 lib/dynamoid/associations/has_many.rb
dynamoid-0.6.0 lib/dynamoid/associations/has_many.rb
adept_dynamoid-0.6.0 lib/dynamoid/associations/has_many.rb
adept_dynamoid-0.5.0.8 lib/dynamoid/associations/has_many.rb
adept_dynamoid-0.5.0.7 lib/dynamoid/associations/has_many.rb
adept_dynamoid-0.5.0.6 lib/dynamoid/associations/has_many.rb
dynamoid-0.5.0 lib/dynamoid/associations/has_many.rb
dynamoid-0.4.1 lib/dynamoid/associations/has_many.rb
dynamoid-0.4.0 lib/dynamoid/associations/has_many.rb