Module: Dynamoid::Associations::SingleAssociation

Includes:

Association

Included in:

BelongsTo, HasOne

Defined in:

lib/dynamoid/associations/single_association.rb

Instance Attribute Summary

Attributes included from Association

#loaded, #name, #options, #source

Instance Method Summary (collapse)

• - (Boolean) ==(other)

  Is this object equal to the association's target?.

• - (Object) create(attributes = {})
• - (Object) create!(attributes = {})
• - (Object) delete
• - (Object) method_missing(method, *args)

  Delegate methods we don't find directly to the target.

• - (Boolean) nil?
• - (Object) setter(object)

Methods included from Association

#initialize, #loaded?, #reset, #target

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# File 'lib/dynamoid/associations/single_association.rb', line 44

def method_missing(method, *args)
  if target.respond_to?(method)
    target.send(method, *args)
  else
    super
  end
end

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# File 'lib/dynamoid/associations/single_association.rb', line 37

def ==(other)
  target == other
end

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# File 'lib/dynamoid/associations/single_association.rb', line 27

def create(attributes = {})
  setter(target_class.create!(attributes))
end

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# File 'lib/dynamoid/associations/single_association.rb', line 23

def create!(attributes = {})
  setter(target_class.create!(attributes))
end

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# File 'lib/dynamoid/associations/single_association.rb', line 17

def delete
  source.update_attribute(source_attribute, nil)
  self.send(:disassociate_target, target) if target && target_association
  target
end

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# File 'lib/dynamoid/associations/single_association.rb', line 52

def nil?
  target.nil?
end

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# File 'lib/dynamoid/associations/single_association.rb', line 10

def setter(object)
  delete
  source.update_attribute(source_attribute, Set[object.id])
  self.send(:associate_target, object) if target_association
  object
end