Class: ActsAsRecursiveTree::Preloaders::Descendants

Inherits:

Object

Object
ActsAsRecursiveTree::Preloaders::Descendants

show all

Defined in:: lib/acts_as_recursive_tree/preloaders/descendants.rb

Overview

Preloads all descendants records for a given node and sets the parent and child associations on each record based on the preloaded data. After this, calling #parent or #children will not trigger a database query.

Instance Method Summary collapse

#initialize(node, includes: nil) ⇒ Descendants constructor

A new instance of Descendants.
#preload! ⇒ Object

Constructor Details

#initialize(node, includes: nil) ⇒ `Descendants`

Returns a new instance of Descendants.

# File 'lib/acts_as_recursive_tree/preloaders/descendants.rb', line 10

def initialize(node, includes: nil)
  @node       = node
  @parent_key = node._recursive_tree_config.parent_key
  @includes   = includes
end

Instance Method Details

#preload! ⇒ `Object`



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# File 'lib/acts_as_recursive_tree/preloaders/descendants.rb', line 16

def preload!
  apply_records(@node)
end