Class: ActionView::CollectionRenderer::PreloadCollectionIterator

Inherits:
SameCollectionIterator show all
Defined in:
lib/action_view/renderer/collection_renderer.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods inherited from CollectionIterator

#each, #length, #size

Constructor Details

#initialize(collection, path, variables, relation) ⇒ PreloadCollectionIterator

Returns a new instance of PreloadCollectionIterator.



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# File 'lib/action_view/renderer/collection_renderer.rb', line 79

def initialize(collection, path, variables, relation)
  super(collection, path, variables)
  relation.skip_preloading! unless relation.loaded?
  @relation = relation
end

Instance Method Details

#each_with_info ⇒ Object 



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# File 'lib/action_view/renderer/collection_renderer.rb', line 89

def each_with_info
  return super unless block_given?
  preload!
  super
end

#from_collection(collection) ⇒ Object 



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# File 'lib/action_view/renderer/collection_renderer.rb', line 85

def from_collection(collection)
  self.class.new(collection, @path, @variables, @relation)
end

#preload! ⇒ Object 



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# File 'lib/action_view/renderer/collection_renderer.rb', line 95

def preload!
  @relation.preload_associations(@collection)
end