Method: Mongoid::Traversable#remove_child

Defined in:
lib/mongoid/traversable.rb

#remove_child(child) ⇒ Object

Remove a child document from this parent. If an embeds one then set to nil, otherwise remove from the embeds many.

This is called from the RemoveEmbedded persistence command.

Examples:

Remove the child.

document.remove_child(child)

Parameters:

  • child (Document) —

    The child (embedded) document to remove.



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# File 'lib/mongoid/traversable.rb', line 357

def remove_child(child)
  name = child.association_name
  if child.embedded_one?
    attributes.delete(child._association.store_as)
    remove_ivar(name)
  else
    relation = send(name)
    relation._remove(child)
  end
end