public static void addMethodCall(String method, long callDlt) {
        if (isManualClosed) {
            return;
        }
        method = (method == null) ? "NULL" : method;
        WebCallStatsItemSet webCallStatsSet = switchableSets[getIndex()];
        webCallStatsSet.totalCallStats.update(callDlt);
        SimpleHistogram curMethodStat = webCallStatsSet.methodStatsMap.get(method);
        if (curMethodStat == null) {
            SimpleHistogram tmpSimpleStat = new SimpleHistogram(method, "method");
            curMethodStat = webCallStatsSet.methodStatsMap.putIfAbsent(method, tmpSimpleStat);
            if (curMethodStat == null) {
                curMethodStat = tmpSimpleStat;
            }
        }
        curMethodStat.update(callDlt);
    }
Query whether the statistic is closed.

@return the statistic status
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/common/webbase/WebCallStatsHolder.java