private Long getOldestRunningJobMillis()

in src/main/java/org/apache/sling/commons/scheduler/impl/GaugesSupport.java [237:272]
28 lines of code
7 McCabe index (conditional complexity)

    private Long getOldestRunningJobMillis(final ConfigHolder configHolder,
            final String threadPoolNameOrNull,
            final String filterNameOrNull) {
        final QuartzScheduler localQuartzScheduler = quartzScheduler;
        if (localQuartzScheduler == null) {
            // could happen during deactivation
            return -1L;
        }
        Map<String, SchedulerProxy> schedulers = localQuartzScheduler.getSchedulers();
        if (schedulers == null) {
            // guessing this is should never happen - so just for paranoia
            return -1L;
        }

        Date oldestDate = null;
        if (filterNameOrNull == null && threadPoolNameOrNull != null) {
            // if a threadPoolName is set and no filter then we go by
            // threadPoolName
            final SchedulerProxy schedulerProxy = schedulers.get(threadPoolNameOrNull);
            oldestDate = getOldestRunningJobDate(configHolder, schedulerProxy, null);
        } else {
            // if nothing is set we iterate over everything
            // if both threadPoolName and filter is set, filter has precedence
            // (hence we iterate over everything but using the filter)
            for (Map.Entry<String, SchedulerProxy> entry : schedulers.entrySet()) {
                SchedulerProxy schedulerProxy = entry.getValue();
                oldestDate = olderOf(oldestDate,
                        getOldestRunningJobDate(configHolder, schedulerProxy, filterNameOrNull));
            }
        }
        if (oldestDate == null) {
            return -1L;
        } else {
            return System.currentTimeMillis() - oldestDate.getTime();
        }
    }