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Class: ActionView::CollectionRenderer::PreloadCollectionIterator

Do not use. This class is for internal use only.

Class Method Summary

SameCollectionIterator - Inherited

.new

CollectionIterator - Inherited

.new

Instance Attribute Summary

::Enumerable - Included

#many?

Returns true if the enumerable has more than 1 element.

Instance Method Summary

SameCollectionIterator - Inherited

#each_with_info, #from_collection

CollectionIterator - Inherited

#each, #length, #preload!, #size

::Enumerable - Included

#compact_blank

Returns a new ::Array without the blank items.
#exclude?

The negative of the Enumerable#include?.
#excluding

Returns a copy of the enumerable excluding the specified elements.
#in_order_of

Returns a new ::Array where the order has been set to that provided in the series, based on the key of the objects in the original enumerable.
#including

Returns a new array that includes the passed elements.
#index_by

Convert an enumerable to a hash, using the block result as the key and the element as the value.
#index_with

Convert an enumerable to a hash, using the element as the key and the block result as the value.
#maximum

Calculates the maximum from the extracted elements.
#minimum

Calculates the minimum from the extracted elements.
#pick

Extract the given key from the first element in the enumerable.
#pluck

Extract the given key from each element in the enumerable.
#sole

Returns the sole item in the enumerable.
#without

Alias for Enumerable#excluding.
#as_json

::ActiveSupport::EnumerableCoreExt::Constants - Included

#const_missing

Constructor Details

.new(collection, path, variables, relation) ⇒ PreloadCollectionIterator

[ GitHub ] 

  


# File 'actionview/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  
  

  [ GitHub ]


  

  


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



def each_with_info
  return super unless block_given?
  preload!
  super
end


  








  

    #from_collection(collection)  
  

  [ GitHub ]


  

  


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



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


  








  

    #preload!  
  

  [ GitHub ]


  

  


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



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