private static Map<String, Integer> toNameOrdinalMap() {
            final Map<String, Integer> index = new LinkedHashMap<>();
            for (Field field : Field.values()) {
                index.put(field.name(), field.ordinal());
            }
            return index;
        }
@author jaehong.kim
@author minwoo.jung
web/src/main/java/com/navercorp/pinpoint/web/view/TransactionInfoViewModel.java