Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Calculation.java @ 676:c501f27c1f71

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Added error reporting to 'Dauerzahlen' calculation. flys-artifacts/trunk@2100 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 10 Jun 2011 12:38:08 +0000
parents d5f9ba1d055f
children eab5e5089d77
rev   line source
674
d5f9ba1d055f Added calculation base class to collect the problems during the calculations. Adjusted calculation 4 to use the mechanism.
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1 package de.intevation.flys.artifacts.model;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Element;
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5
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6 import java.util.List;
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7 import java.util.ArrayList;
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8
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9 import java.io.Serializable;
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10
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11 public class Calculation
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12 implements Serializable
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13 {
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14 public static class Problem
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15 implements Serializable
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16 {
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17 protected Double km;
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18 protected String msg;
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19
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20 public Problem() {
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21 }
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22
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23 public Problem(String msg) {
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24 this.msg = msg;
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25 }
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26
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27 public Problem(double km, String msg) {
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28 this.km = km;
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29 this.msg = msg;
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30 }
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31
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32 public Element toXML(Document document) {
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33 Element problem = document.createElement("problem");
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34 if (km != null) {
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35 problem.setAttribute("km", String.valueOf(km));
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36 }
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37 problem.setTextContent(msg);
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38 return problem;
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39 }
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40 } // class Problem
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41
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42 protected List<Problem> problems;
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43
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44 public Calculation() {
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45 }
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46
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47 protected List<Problem> checkProblems() {
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48 if (problems == null) {
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49 problems = new ArrayList<Problem>();
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50 }
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51 return problems;
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52 }
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53
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54 public void addProblem(String msg) {
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55 checkProblems().add(new Problem(msg));
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56 }
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57
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58 public void addProblem(double km, String msg) {
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59 checkProblems().add(new Problem(km, msg));
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60 }
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61
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62 public boolean hasProblems() {
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63 return problems != null && !problems.isEmpty();
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64 }
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65
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66 public int numProblems() {
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67 return problems != null ? problems.size() : 0;
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68 }
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69
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70 public List<Problem> getProblems() {
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71 return problems;
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72 }
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74 public void toXML(Document document) {
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76 Element root = document.createElement("problems");
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78 if (hasProblems()) {
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79 for (Problem problem: problems) {
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80 root.appendChild(problem.toXML(document));
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81 }
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82 }
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84 document.appendChild(root);
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85 }
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86 }
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87 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org