@Override public void doCommand() { for (Order order : this.orders) { tx().lock(order); } OrderMap orderMap = tx().getOrderMap(); for (Order order : this.orders) { if (!orderMap.hasElement(tx(), order.getType(), order.getId())) { String msg = "The Order {0} can not be updated as it does not exist!"; msg = MessageFormat.format(msg, order.getLocator()); throw new StrolchException(msg); } } this.replacedElements = orderMap.updateAll(tx(), this.orders); }