Mercurial > dive4elements > river
comparison 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> |
|---|---|
| date | Wed, 11 Jul 2012 15:13:01 +0000 |
| parents | |
| children | a9c93b7c9da1 |
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| 3280:4a70525c5b0d | 3281:3c61d9e64ca0 |
|---|---|
| 1 package de.intevation.flys.artifacts.model.sq; | |
| 2 | |
| 3 import java.util.ArrayList; | |
| 4 import java.util.Iterator; | |
| 5 import java.util.List; | |
| 6 | |
| 7 public class Sieve | |
| 8 { | |
| 9 public double [] fractionSizes; | |
| 10 | |
| 11 protected List<List<SQ>> fractions; | |
| 12 | |
| 13 public Sieve() { | |
| 14 } | |
| 15 | |
| 16 public Sieve(double [] fractionSizes) { | |
| 17 this.fractionSizes = fractionSizes; | |
| 18 fractions = new ArrayList<List<SQ>>(fractionSizes.length+1); | |
| 19 for (int i = fractionSizes.length; i >= 0; --i) { | |
| 20 fractions.add(new ArrayList<SQ>()); | |
| 21 } | |
| 22 } | |
| 23 | |
| 24 public void sieve(Iterator<SQ> sqs) { | |
| 25 OUTER: while (sqs.hasNext()) { | |
| 26 SQ sq = sqs.next(); | |
| 27 double q = sq.getQ(); | |
| 28 for (int i = 0; i < fractionSizes.length; ++i) { | |
| 29 if (q < fractionSizes[i]) { | |
| 30 fractions.get(i).add(sq); | |
| 31 continue OUTER; | |
| 32 } | |
| 33 } | |
| 34 fractions.get(fractions.size()-1).add(sq); | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 public int numFractions() { | |
| 39 return fractions.size(); | |
| 40 } | |
| 41 | |
| 42 public List<SQ> getFraction(int idx) { | |
| 43 return fractions.get(idx); | |
| 44 } | |
| 45 | |
| 46 public void reset() { | |
| 47 for (List<SQ> fraction: fractions) { | |
| 48 fraction.clear(); | |
| 49 } | |
| 50 } | |
| 51 } | |
| 52 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |