Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/Sieve.java @ 3281:3c61d9e64ca0
SQ: Added sieve
flys-artifacts/trunk@4941 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 11 Jul 2012 15:13:01 +0000 |
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children | a9c93b7c9da1 |
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SQ: Added sieve
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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 : |