Module: ActiveRecord::Delegation::DelegateCache

Included in:
Base
Defined in:
lib/active_record/relation/delegation.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#inherited(child_class) ⇒ Object 



29
30
31
32
 
# File 'lib/active_record/relation/delegation.rb', line 29

def inherited(child_class)
  child_class.initialize_relation_delegate_cache
  super
end

#initialize_relation_delegate_cache ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/active_record/relation/delegation.rb', line 10

def initialize_relation_delegate_cache
  @relation_delegate_cache = cache = {}
  [
    ActiveRecord::Relation,
    ActiveRecord::Associations::CollectionProxy,
    ActiveRecord::AssociationRelation
  ].each do |klass|
    delegate = Class.new(klass) {
      include ClassSpecificRelation
    }
    include_relation_methods(delegate)
    mangled_name = klass.name.gsub("::".freeze, "_".freeze)
    const_set mangled_name, delegate
    private_constant mangled_name

    cache[klass] = delegate
  end
end

#relation_delegate_class(klass) ⇒ Object 



6
7
8
 
# File 'lib/active_record/relation/delegation.rb', line 6

def relation_delegate_class(klass)
  @relation_delegate_cache[klass]
end