public void updateSuccessfulQueryTimestamp(){
  createUserIfNull();
  userEntity.setProperty("timestamp",System.currentTimeMillis());
  service.put(userEntity);
}

public void updateSuccessfulQueryTimestamp ( ) { createUserIfNull ( ) ; userEntity . setProperty ( "timestamp" , System . currentTimeMillis ( ) ) ; service . put ( userEntity ) ; }
updates the user entity with the current time , creating it if necessary .
