Example usage for java.util.concurrent ConcurrentSkipListSet tailSet

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentSkipListSet tailSet.

Prototype

public NavigableSet<E> tailSet(E fromElement, boolean inclusive) 

Source Link

Usage

From source file:com.enitalk.configs.DateCache.java

public NavigableSet<DateTime> days(JsonNode tree, String tz, JsonNode teacherNode) {
    ConcurrentSkipListSet<DateTime> dates = new ConcurrentSkipListSet<>();

    Iterator<JsonNode> els = tree.elements();
    DateTimeZone dz = DateTimeZone.forID(tz);
    DateTimeFormatter hour = DateTimeFormat.forPattern("HH:mm").withZone(dz);

    DateTime today = DateTime.now().millisOfDay().setCopy(0);
    while (els.hasNext()) {

        JsonNode el = els.next();// www. j ava2s .  c  om
        String day = el.path("day").asText();

        boolean plus = today.getDayOfWeek() > days.get(day);
        if (el.has("start") && el.has("end")) {
            DateTime start = hour.parseDateTime(el.path("start").asText()).dayOfMonth()
                    .setCopy(today.getDayOfMonth()).monthOfYear().setCopy(today.getMonthOfYear()).year()
                    .setCopy(today.getYear()).withDayOfWeek(days.get(day)).plusWeeks(plus ? 1 : 0);
            DateTime end = hour.parseDateTime(el.path("end").asText()).dayOfMonth()
                    .setCopy(today.getDayOfMonth()).monthOfYear().setCopy(today.getMonthOfYear()).year()
                    .setCopy(today.getYear()).withDayOfWeek(days.get(day)).plusWeeks(plus ? 1 : 0);

            Hours hours = Hours.hoursBetween(start, end);
            int hh = hours.getHours() + 1;

            while (hh-- > 0) {
                dates.add(start.plusHours(hh).toDateTime(DateTimeZone.UTC));
            }
        } else {
            List<String> datesAv = jackson.convertValue(el.path("times"), List.class);
            logger.info("Array of dates {} {}", datesAv, day);

            datesAv.forEach((String dd) -> {
                DateTime date = hour.parseDateTime(dd).dayOfMonth().setCopy(today.getDayOfMonth()).monthOfYear()
                        .setCopy(today.getMonthOfYear()).year().setCopy(today.getYear())
                        .withDayOfWeek(days.get(day)).plusWeeks(plus ? 1 : 0);
                dates.add(date.toDateTime(DateTimeZone.UTC));
            });

        }

    }

    final TreeSet<DateTime> addWeek = new TreeSet<>();
    for (int i = 1; i < 2; i++) {
        for (DateTime e : dates) {
            addWeek.add(e.plusWeeks(i));

        }
    }

    dates.addAll(addWeek);

    DateTime nowUtc = DateTime.now().toDateTime(DateTimeZone.UTC);
    nowUtc = nowUtc.plusHours(teacherNode.path("notice").asInt(2));

    NavigableSet<DateTime> ss = dates.tailSet(nowUtc, true);

    return ss;

}

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