Class: Mongoid::Identity

Inherits:
Object
  • Object
show all
Defined in:
lib/mongoid_integer_keys.rb

Instance Method Summary collapse

Instance Method Details

#generate_id ⇒ Object

Generate auto increment id



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# File 'lib/mongoid_integer_keys.rb', line 4

def generate_id
  counter = Mongoid.master.collection("mongoid.auto_increment_ids")
  table_name = @document.class.to_s.tableize
  o = counter.find_and_modify({:query => {:_id => table_name},
                                      :update => {:$inc => {:c => 1}}, 
                                      :new => true, 
                                      :upsert => true})
  o["c"].to_i
end