class Dynamoid::Associations::HasMany

Private Instance Methods

associate_target(object) click to toggle source

Associate a source object to this association.

@since 0.2.0

# File lib/dynamoid/associations/has_many.rb, line 25
def associate_target(object)
  object.update_attribute(target_attribute, Set[source.id])
end
disassociate_target(object) click to toggle source

Disassociate a source object from this association.

@since 0.2.0

# File lib/dynamoid/associations/has_many.rb, line 32
def disassociate_target(object)
  object.update_attribute(target_attribute, nil)
end
target_association() click to toggle source

Find the target association, always a :belongs_to association. Uses either options or the source class name and default parsing to return the most likely name for the target association.

@since 0.2.0

# File lib/dynamoid/associations/has_many.rb, line 15
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