Class: NinjaModel::Associations::Association

Inherits:
Object
  • Object
show all
Defined in:
lib/ninja_model/associations/association.rb

Direct Known Subclasses

CollectionAssociation, SingularAssociation

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner, reflection) ⇒ Association

Returns a new instance of Association.



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# File 'lib/ninja_model/associations/association.rb', line 9

def initialize(owner, reflection)
  @target = nil
  @owner, @reflection = owner, reflection

  reset
end

Instance Attribute Details

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



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# File 'lib/ninja_model/associations/association.rb', line 5

def owner
  @owner
end

#reflection ⇒ Object (readonly)

Returns the value of attribute reflection.



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# File 'lib/ninja_model/associations/association.rb', line 5

def reflection
  @reflection
end

#target ⇒ Object

Returns the value of attribute target.



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# File 'lib/ninja_model/associations/association.rb', line 5

def target
  @target
end

Instance Method Details

#association_scope ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 53

def association_scope
  if klass
    @association_scope ||= AssociationScope.new(self).scope
  end
end

#klass ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 70

def klass
  reflection.klass
end

#load_target ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 78

def load_target
  if find_target?
    @target ||= find_target
  end
  loaded! unless loaded?
  target
rescue NinjaModel::RecordNotFound
  reset
end

#loaded! ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 32

def loaded!
  @loaded = true
end

#loaded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ninja_model/associations/association.rb', line 28

def loaded?
  @loaded
end

#reload ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 21

def reload
  reset
  reset_scope
  load_target
  self unless target.nil?
end

#reset ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 16

def reset
  @loaded = false
  @target = nil
end

#reset_scope ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 59

def reset_scope
  @association_scope = nil
end

#scoped ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 45

def scoped
  target_scope.merge(association_scope)
end

#set_inverse_instance(record) ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 63

def set_inverse_instance(record)
  if record && invertible_for?(record)
    inverse = record.association(inverse_reflection_for(record).name)
    inverse.target = owner
  end
end

#stale_target? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ninja_model/associations/association.rb', line 36

def stale_target?
  false
end

#target_scope ⇒ Object 



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# File 'lib/ninja_model/associations/association.rb', line 49

def target_scope
  klass.scoped
end