# File lib/openshift-origin-controller/app/models/cloud_user.rb, line 158
  def self.find_subaccounts_by_parent_login(parent_login)
    hash_list = OpenShift::DataStore.instance.find_subaccounts_by_parent_login(parent_login)
    return nil if hash_list.nil? or hash_list.empty?
    hash_list.map {|hash| hash_to_obj(hash) }
  end