Module ActiveRecord::Acts::Tree::InstanceMethods
In: vendor/rails/activerecord/lib/active_record/acts/tree.rb

Methods

ancestors   root   self_and_siblings   siblings  

Public Instance methods

ancestors()

Returns list of ancestors, starting from parent until root. 

  subchild1.ancestors # => [child1, root]

[Source]

    # File vendor/rails/activerecord/lib/active_record/acts/tree.rb, line 69
69:         def ancestors
70:           node, nodes = self, []
71:           nodes << node = node.parent until not node.has_parent?
72:           nodes
73:         end
root()

[Source]

    # File vendor/rails/activerecord/lib/active_record/acts/tree.rb, line 75
75:         def root
76:           node = self
77:           node = node.parent until not node.has_parent?
78:           node
79:         end
self_and_siblings()

[Source]

    # File vendor/rails/activerecord/lib/active_record/acts/tree.rb, line 85
85:         def self_and_siblings
86:           has_parent? ? parent.children : self.class.roots
87:         end
siblings()

[Source]

    # File vendor/rails/activerecord/lib/active_record/acts/tree.rb, line 81
81:         def siblings
82:           self_and_siblings - [self]
83:         end

[Validate]