Class: ActiveRecord::Associations::BelongsToAssociation

Inherits:
SingularAssociation show all
Defined in:
lib/active_record/associations/belongs_to_association.rb

Overview

:nodoc:

Direct Known Subclasses

BelongsToPolymorphicAssociation

Instance Attribute Summary

Attributes inherited from Association

#inversed, #owner, #reflection, #target

Instance Method Summary collapse

Methods inherited from SingularAssociation

#build, #create, #create!, #reader, #writer

Methods inherited from Association

#aliased_table_name, #association_scope, #initialize, #initialize_attributes, #interpolate, #klass, #load_target, #loaded!, #loaded?, #marshal_dump, #marshal_load, #reload, #reset_scope, #scope, #scoped, #set_inverse_instance, #stale_target?, #target_scope

Constructor Details

This class inherits a constructor from ActiveRecord::Associations::Association

Instance Method Details

#handle_dependencyObject



6
7
8
# File 'lib/active_record/associations/belongs_to_association.rb', line 6

def handle_dependency
  target.send(options[:dependent]) if load_target
end

#replace(record) ⇒ Object



10
11
12
13
14
15
16
17
18
19
20
# File 'lib/active_record/associations/belongs_to_association.rb', line 10

def replace(record)
  raise_on_type_mismatch!(record) if record

  update_counters(record)
  replace_keys(record)
  set_inverse_instance(record)

  @updated = true if record

  self.target = record
end

#resetObject



22
23
24
25
# File 'lib/active_record/associations/belongs_to_association.rb', line 22

def reset
  super
  @updated = false
end

#updated?Boolean

Returns:

  • (Boolean)


27
28
29
# File 'lib/active_record/associations/belongs_to_association.rb', line 27

def updated?
  @updated
end