public long getTime() {
CompactCalendar minimum = null, maximum = null;
long totalTimeMilliSeconds = 0;
List<P> positions = getPositions();
P previous = null;
for (P next : positions) {
if (previous != null) {
Long time = previous.calculateTime(next);
if (time != null && time > 0) totalTimeMilliSeconds += time;
}
CompactCalendar calendar = next.getTime();
if (calendar == null) continue;
if (minimum == null || calendar.before(minimum)) minimum = calendar;
if (maximum == null || calendar.after(maximum)) maximum = calendar;
previous = next;
}
long maxMinusMin = minimum != null ? maximum.getTimeInMillis() - minimum.getTimeInMillis() : 0;
return max(maxMinusMin, totalTimeMilliSeconds);
}
