MetricBuilder.java 文件源码

public synchronized GoTimer buildTimer() {
    String name = generateName("timing");
    GoTimer timer = getExistingTimer(name);
    if (timer == null) {
        timer = new GoTimer(name);
        Map<String, Metric> map = new HashMap<>(1);
        map.put(name, timer);
        MetricSet set = () -> map;
        try {
            registry.registerAll(set);
        } catch (Exception ex) {
            //I haven't figured out a good solution around this...
        }
    }
    return timer;
}