private List appendData()

in src/main/java/org/apache/rocketmq/dashboard/task/DashboardCollectTask.java [236:254]

• 19 lines of code
• 6 McCabe index (conditional complexity)

    private List<String> appendData(List<String> newTpsList, List<String> oldTpsList) {
        List<String> result = Lists.newArrayList();
        if (newTpsList == null || newTpsList.size() == 0) {
            return oldTpsList;
        }
        if (oldTpsList == null || oldTpsList.size() == 0) {
            return newTpsList;
        }
        String oldLastTps = oldTpsList.get(oldTpsList.size() - 1);
        Long oldLastTimestamp = Long.parseLong(oldLastTps.split(",")[0]);
        String newFirstTps = newTpsList.get(0);
        Long newFirstTimestamp = Long.parseLong(newFirstTps.split(",")[0]);
        if (oldLastTimestamp.longValue() < newFirstTimestamp.longValue()) {
            result.addAll(oldTpsList);
            result.addAll(newTpsList);
            return result;
        }
        return newTpsList;
    }