Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/Sieve.java @ 3281:3c61d9e64ca0

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SQ: Added sieve flys-artifacts/trunk@4941 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 11 Jul 2012 15:13:01 +0000
parents
children a9c93b7c9da1
rev   line source
3281
3c61d9e64ca0 SQ: Added sieve
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.artifacts.model.sq;
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2
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3 import java.util.ArrayList;
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4 import java.util.Iterator;
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5 import java.util.List;
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6
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7 public class Sieve
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8 {
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9 public double [] fractionSizes;
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10
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11 protected List<List<SQ>> fractions;
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12
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13 public Sieve() {
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14 }
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15
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16 public Sieve(double [] fractionSizes) {
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17 this.fractionSizes = fractionSizes;
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18 fractions = new ArrayList<List<SQ>>(fractionSizes.length+1);
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19 for (int i = fractionSizes.length; i >= 0; --i) {
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20 fractions.add(new ArrayList<SQ>());
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21 }
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22 }
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23
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24 public void sieve(Iterator<SQ> sqs) {
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25 OUTER: while (sqs.hasNext()) {
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26 SQ sq = sqs.next();
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27 double q = sq.getQ();
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28 for (int i = 0; i < fractionSizes.length; ++i) {
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29 if (q < fractionSizes[i]) {
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30 fractions.get(i).add(sq);
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31 continue OUTER;
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32 }
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33 }
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34 fractions.get(fractions.size()-1).add(sq);
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35 }
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36 }
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37
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38 public int numFractions() {
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39 return fractions.size();
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40 }
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41
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42 public List<SQ> getFraction(int idx) {
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43 return fractions.get(idx);
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44 }
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45
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46 public void reset() {
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47 for (List<SQ> fraction: fractions) {
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48 fraction.clear();
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49 }
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50 }
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51 }
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52 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org