Class: ActiveAny::Associations::Preloader::BelongsTo

Inherits:
Association
  • Object
show all
Defined in:
lib/active_any/associations/preloader/belongs_to.rb

Instance Attribute Summary

Attributes inherited from Association

#inversed, #loaded, #owner, #reflection, #target

Instance Method Summary collapse

Methods inherited from Association

#association_scope, #find_from_target?, #find_target, #initialize, #klass, #load_target, #loaded!, #loaded?, #reader, #reload, #reset, #reset_scope, #scope, #set_inverse_instance, #target_scope, #writer

Constructor Details

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

Instance Method Details

#association_key_name ⇒ Object 



16
17
18
 
# File 'lib/active_any/associations/preloader/belongs_to.rb', line 16

def association_key_name
  reflection.options[:primary_key] || klass && klass.primary_key
end

#owner_key_name ⇒ Object 



20
21
22
 
# File 'lib/active_any/associations/preloader/belongs_to.rb', line 20

def owner_key_name
  reflection.foreign_key
end

#preload(preloader) ⇒ Object 



7
8
9
10
11
12
13
14
 
# File 'lib/active_any/associations/preloader/belongs_to.rb', line 7

def preload(preloader)
  associated_records_by_owner(preloader).each do |owner, associated_records|
    record = associated_records.first

    association = owner.association(reflection.name)
    association.target = record
  end
end