Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/utils/DateAverager.java @ 4022:017e3d8526e0
issue417: main-value-annotations.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Thu, 04 Oct 2012 11:25:27 +0200 |
parents | d520a0869972 |
children |
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package de.intevation.flys.utils; import gnu.trove.TLongArrayList; import java.util.Date; public class DateAverager { protected TLongArrayList dates; public DateAverager() { dates = new TLongArrayList(); } public void add(Date date) { dates.add(date.getTime()); } public Date getAverage() { int N = dates.size(); if (N == 0) { return null; } long min = dates.min(); long sum = 0L; for (int i = 0; i < N; ++i) { sum += dates.getQuick(i) - min; } return new Date(min + (long)Math.round(sum/(double)N)); } public void clear() { dates.resetQuick(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :