Module: ActiveRecord::Reflection

Extended by:
ActiveSupport::Concern
Included in:
Base
Defined in:
activerecord/lib/active_record/reflection.rb

Overview

Active Record Reflection

Defined Under Namespace

Modules: ClassMethods Classes: AbstractReflection, AggregateReflection, AssociationReflection, BelongsToReflection, HasAndBelongsToManyReflection, HasManyReflection, HasOneReflection, MacroReflection, PolymorphicReflection, RuntimeReflection, ThroughReflection

Class Method Summary collapse

Methods included from ActiveSupport::Concern

append_features, class_methods, extended, included, prepend_features, prepended

Class Method Details

.add_aggregate_reflection(ar, name, reflection) ⇒ Object


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# File 'activerecord/lib/active_record/reflection.rb', line 28

def add_aggregate_reflection(ar, name, reflection)
  ar.aggregate_reflections = ar.aggregate_reflections.merge(-name.to_s => reflection)
end

.add_reflection(ar, name, reflection) ⇒ Object


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# File 'activerecord/lib/active_record/reflection.rb', line 22

def add_reflection(ar, name, reflection)
  ar.clear_reflections_cache
  name = -name.to_s
  ar._reflections = ar._reflections.except(name).merge!(name => reflection)
end

.create(macro, name, scope, options, ar) ⇒ Object


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# File 'activerecord/lib/active_record/reflection.rb', line 17

def create(macro, name, scope, options, ar)
  reflection = reflection_class_for(macro).new(name, scope, options, ar)
  options[:through] ? ThroughReflection.new(reflection) : reflection
end