Class: ActiveRecord::Associations::HasOneAssociation
- Inherits:
-
SingularAssociation
- Object
- Association
- SingularAssociation
- ActiveRecord::Associations::HasOneAssociation
- Includes:
- ForeignAssociation
- Defined in:
- lib/active_record/associations/has_one_association.rb
Overview
Active Record Has One Association
Direct Known Subclasses
Instance Attribute Summary
Attributes inherited from Association
Instance Method Summary collapse
Methods included from ForeignAssociation
#foreign_key_present?, #nullified_owner_attributes
Methods inherited from SingularAssociation
#build, #force_reload_reader, #reader, #writer
Methods inherited from Association
#create, #create!, #extensions, #initialize, #initialize_attributes, #inversed_from, #inversed_from_queries, #klass, #load_target, #loaded!, #loaded?, #marshal_dump, #marshal_load, #reload, #remove_inverse_instance, #reset, #reset_negative_cache, #reset_scope, #scope, #set_inverse_instance, #set_inverse_instance_from_queries, #stale_target?
Constructor Details
This class inherits a constructor from ActiveRecord::Associations::Association
Instance Method Details
#delete(method = options[:dependent]) ⇒ Object
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
# File 'lib/active_record/associations/has_one_association.rb', line 26 def delete(method = [:dependent]) if load_target case method when :delete target.delete when :destroy target.destroyed_by_association = reflection target.destroy throw(:abort) unless target.destroyed? when :destroy_async primary_key_column = target.class.primary_key.to_sym id = target.public_send(primary_key_column) enqueue_destroy_association( owner_model_name: owner.class.to_s, owner_id: owner.id, association_class: reflection.klass.to_s, association_ids: [id], association_primary_key_column: primary_key_column, ensuring_owner_was_method: .fetch(:ensuring_owner_was, nil) ) when :nullify target.update_columns(nullified_owner_attributes) if target.persisted? end end end |
#handle_dependency ⇒ Object
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
# File 'lib/active_record/associations/has_one_association.rb', line 9 def handle_dependency case [:dependent] when :restrict_with_exception raise ActiveRecord::DeleteRestrictionError.new(reflection.name) if load_target when :restrict_with_error if load_target record = owner.class.human_attribute_name(reflection.name).downcase owner.errors.add(:base, :'restrict_dependent_destroy.has_one', record: record) throw(:abort) end else delete end end |