How to use

Time

in

org.diirt.vtype

private void setTime(Time time) {
  if (time == null) {
    pvTime.setText("");
  } else {
    pvTime.setText(time.getTimestamp().toString());
  }
}

public JsonVTypeBuilder addTime(Time time) {
  return add("time", new JsonVTypeBuilder()
      .add("unixSec", time.getTimestamp().getEpochSecond())
      .add("nanoSec", time.getTimestamp().getNano())
      .addNullableObject("userTag", time.getTimeUserTag()));
}

private void prune() {
  // Remove all values that are too old
  TimeInterval periodAllowed = TimeInterval.before(cachedPeriod, buffer.getLast().getTimestamp());
  while (!buffer.isEmpty() && !periodAllowed.contains(buffer.getFirst().getTimestamp())) {
    // Discard value
    buffer.removeFirst();
  }
}

private String timeStampOf(Object value) {
  if (value == null)
    return "";
  return ValueUtil.timeOf(value).getTimestamp().toString();
}

static <T extends Time> Instant electReferenceTimeStamp(List<ReadFunction<List<T>>> collectors) {
  for (ReadFunction<List<T>> collector : collectors) {
    List<T> data = collector.readValue();
    if (data.size() > 1) {
      Instant time = data.get(data.size() - 2).getTimestamp();
      if (time != null)
        return time;
    }
  }
  return null;
}

static <T extends Time> T closestElement(List<T> data, TimeInterval interval, Instant reference) {
  StringBuilder buffer = new StringBuilder();
  T latest = null;
  long latestDistance = Long.MAX_VALUE;
  for (T value : data) {
    Instant newTime = value.getTimestamp();
    if (log.isLoggable(Level.FINEST)) {
      buffer.append(newTime.getNano()).append(", ");
    }
    if (interval.contains(newTime)) {
      if (latest == null) {
        latest = value;
        latestDistance = Math.abs(reference.until(newTime, ChronoUnit.NANOS));
      } else {
        long newDistance = Math.abs(reference.until(newTime, ChronoUnit.NANOS));
        if (newDistance < latestDistance) {
          latest = value;
          latestDistance = newDistance;
        }
      }
    }
  }
  if (log.isLoggable(Level.FINEST)) {
    buffer.append("[").append(latest.getTimestamp().getNano()).append("|").append(reference.getNano()).append("]");
    log.finest(buffer.toString());
  }
  return latest;
}