Class: ActiveRecord::Associations::SingularAssociation
- Inherits:
-
Association
- Object
- Association
- ActiveRecord::Associations::SingularAssociation
- Defined in:
- lib/active_record/associations/singular_association.rb
Overview
:nodoc:
Direct Known Subclasses
BelongsToAssociation, HasOneAssociation, Preloader::HasOneThrough
Instance Attribute Summary
Attributes inherited from Association
#inversed, #owner, #reflection, #target
Instance Method Summary collapse
- #build(attributes = {}) {|record| ... } ⇒ Object
-
#force_reload_reader ⇒ Object
Implements the reload reader method, e.g.
-
#reader ⇒ Object
Implements the reader method, e.g.
-
#writer(record) ⇒ Object
Implements the writer method, e.g.
Methods inherited from Association
#aliased_table_name, #association_scope, #create, #create!, #initialize, #initialize_attributes, #interpolate, #klass, #load_target, #loaded!, #loaded?, #marshal_dump, #marshal_load, #reload, #remove_inverse_instance, #reset, #reset_scope, #scope, #set_inverse_instance, #stale_target?, #target_scope
Constructor Details
This class inherits a constructor from ActiveRecord::Associations::Association
Instance Method Details
#build(attributes = {}) {|record| ... } ⇒ Object
18 19 20 21 22 23 |
# File 'lib/active_record/associations/singular_association.rb', line 18 def build(attributes = {}) record = build_record(attributes) yield(record) if block_given? set_new_record(record) record end |
#force_reload_reader ⇒ Object
Implements the reload reader method, e.g. foo.reload_bar for Foo.has_one :bar
27 28 29 30 |
# File 'lib/active_record/associations/singular_association.rb', line 27 def force_reload_reader klass.uncached { reload } target end |
#reader ⇒ Object
Implements the reader method, e.g. foo.bar for Foo.has_one :bar
5 6 7 8 9 10 11 |
# File 'lib/active_record/associations/singular_association.rb', line 5 def reader if !loaded? || stale_target? reload end target end |
#writer(record) ⇒ Object
Implements the writer method, e.g. foo.bar= for Foo.belongs_to :bar
14 15 16 |
# File 'lib/active_record/associations/singular_association.rb', line 14 def writer(record) replace(record) end |