Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Parameters.java @ 2785:f87fcedbfa82

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FixA: Fixed stupid index bug. flys-artifacts/trunk@4524 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sat, 26 May 2012 19:20:59 +0000
parents c1f2e792704a
children fe987587ebc9
rev   line source
2695
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1 package de.intevation.flys.artifacts.model;
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2
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3 import gnu.trove.TDoubleArrayList;
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4
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5 import java.io.Serializable;
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6
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7 import org.apache.log4j.Logger;
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8
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9 public class Parameters
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10 implements Serializable
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11 {
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12 private static Logger log = Logger.getLogger(Parameters.class);
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13
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14 protected String [] columnNames;
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15 protected TDoubleArrayList [] columns;
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16
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17 public Parameters() {
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18 }
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19
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20 public Parameters(String [] columnNames) {
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21 if (columnNames == null || columnNames.length < 1) {
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22 throw new IllegalArgumentException("columnNames too short.");
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23 }
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24 this.columnNames = columnNames;
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25 columns = new TDoubleArrayList[columnNames.length];
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26 for (int i = 0; i < columns.length; ++i) {
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27 columns[i] = new TDoubleArrayList();
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28 }
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29 }
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30
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31 public int columnIndex(String name) {
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32 for (int i = 0; i < columnNames.length; ++i) {
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33 if (name.equals(name)) {
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34 return i;
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35 }
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36 }
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37 return -1;
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38 }
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39
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40 public int newRow() {
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41
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42 int N = columns[0].size();
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43 log.debug("new row: " + N);
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44
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45 for (int i = 0; i < columns.length; ++i) {
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46 columns[i].add(Double.NaN);
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47 }
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48
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49 return N;
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50 }
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51
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52 public double get(int i, int index) {
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53 return columns[index].getQuick(i);
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54 }
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55
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56 public double get(int i, String columnName) {
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57 int index = columnIndex(columnName);
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58 return index >= 0
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59 ? columns[index].getQuick(i)
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60 : Double.NaN;
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61 }
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62
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63 public void set(int i, String columnName, double value) {
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64 int idx = columnIndex(columnName);
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65 if (idx >= 0) {
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66 columns[idx].setQuick(i, value);
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67 }
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68 }
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69
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70 public int size() {
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71 return columns[0].size();
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72 }
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73
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74 public int getNumberColumns() {
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75 return columnNames.length;
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76 }
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77
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78 public String [] getColumnNames() {
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79 return columnNames;
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80 }
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81
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82 public void removeNaNs() {
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83 W.removeNaNs(columns);
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84 }
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85
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86 public int [] columnIndices(String [] columns) {
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87 int [] indices = new int[columns.length];
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88 for (int i = 0; i < columns.length; ++i) {
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89 indices[i] = columnIndex(columns[i]);
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90 }
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91 return indices;
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92 }
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93
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94 public void get(int row, int [] columnIndices, double [] values) {
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95 for (int i = 0; i < columnIndices.length; ++i) {
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96 int index = columnIndices[i];
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97 values[i] = index >= 0 && index < columns.length
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98 ? columns[index].getQuick(row)
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99 : Double.NaN;
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100 }
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101 }
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102 }
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org