Class: ActiveFedora::Reflection::AbstractReflection

Inherits:
Object
  • Object
show all
Defined in:
lib/active_fedora/reflection.rb

Overview

Holds all the methods that are shared between MacroReflection and ThroughReflection.

AbstractReflection
  MacroReflection
    AggregateReflection
    AssociationReflection
      HasManyReflection
      HasOneReflection
      BelongsToReflection
      HasAndBelongsToManyReflection
  ThroughReflection
    PolymorphicReflection
      RuntimeReflection

Direct Known Subclasses

MacroReflection

Instance Method Summary collapse

Instance Method Details

#alias_candidate(name) ⇒ Object 



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# File 'lib/active_fedora/reflection.rb', line 171

def alias_candidate(name)
  "#{plural_name}_#{name}"
end

#build_association(attributes, &block) ⇒ Object

Returns a new, unsaved instance of the associated class. attributes will be passed to the class’s constructor.



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# File 'lib/active_fedora/reflection.rb', line 141

def build_association(attributes, &block)
  klass.new(attributes, &block)
end

#chain ⇒ Object 



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# File 'lib/active_fedora/reflection.rb', line 175

def chain
  collect_join_chain
end

#check_validity_of_inverse! ⇒ Object 



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# File 'lib/active_fedora/reflection.rb', line 163

def check_validity_of_inverse!
  unless polymorphic?
    if has_inverse? && inverse_of.nil?
      raise InverseOfAssociationNotFoundError, self
    end
  end
end

#class_name ⇒ Object

Returns the class name for the macro.

composed_of :balance, class_name: 'Money' returns 'Money' has_many :clients returns 'Client'



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# File 'lib/active_fedora/reflection.rb', line 149

def class_name
  @class_name ||= (options[:class_name] || derive_class_name).to_s
end

#constraints ⇒ Object 



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# File 'lib/active_fedora/reflection.rb', line 153

def constraints
  scope_chain.flatten
end

#inverse_of ⇒ Object 



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# File 'lib/active_fedora/reflection.rb', line 157

def inverse_of
  return unless inverse_name

  @inverse_of ||= klass._reflect_on_association inverse_name
end

#through_reflection? ⇒ Boolean

:nodoc:

Returns:

  • (Boolean) 


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# File 'lib/active_fedora/reflection.rb', line 135

def through_reflection?
  false
end