Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Calculation.java @ 4420:45d310b41c23

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Add javadoc comment about RiverInfoServiceImpl
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 06 Nov 2012 13:30:04 +0100
parents 32bd5af17eda
children 470460bfb5fc
rev   line source
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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 import java.util.Arrays;
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9
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10 import java.io.Serializable;
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11
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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.flys.artifacts.resources.Resources;
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15
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16 import de.intevation.flys.utils.Formatter;
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17
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18 /** A calculation that can have result and problems. */
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19 public class Calculation
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20 implements Serializable
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21 {
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22 /** Problem of a calculation.
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23 * Has location and message. */
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24 public static class Problem
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25 implements Serializable
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26 {
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27 protected Double km;
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28 protected String msg;
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29 protected Object [] args;
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30
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31 public Problem() {
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32 }
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33
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34 public Problem(String msg) {
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35 this.msg = msg;
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36 }
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37
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38 public Problem(String msg, Object [] args) {
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39 this.msg = msg;
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40 this.args = args;
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41 }
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42
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43 public Problem(double km, String msg) {
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44 this.km = km;
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45 this.msg = msg;
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46 }
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47
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48 public Problem(double km, String msg, Object [] args) {
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49 this.km = km;
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50 this.msg = msg;
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51 this.args = args;
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52 }
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53
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54 public Element toXML(Document document, CallMeta meta) {
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55 Element problem = document.createElement("problem");
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56 if (km != null) {
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57 problem.setAttribute(
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58 "km",
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59 Formatter.getCalculationKm(meta).format(km));
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60 }
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61 String text = args != null
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62 ? Resources.getMsg(meta, msg, msg, args)
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63 : Resources.getMsg(meta, msg, msg);
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64 problem.setTextContent(text);
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65 return problem;
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66 }
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67
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68 public String getMsg() {
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69 return msg;
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70 }
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71
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72 @Override
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73 public boolean equals(Object other) {
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74 if (!(other instanceof Problem)) {
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75 return false;
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76 }
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77 Problem o = (Problem)other;
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78 return !(!msg.equals(o.msg)
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79 || (km == null && o.km != null)
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80 || (km != null && o.km == null)
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81 || (km != null && !km.equals(o.km))
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82 || !Arrays.equals(args, o.args));
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83 }
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84 } // class Problem
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85
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86 protected List<Problem> problems;
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87
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88 public Calculation() {
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89 }
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90
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91 public Calculation(String msg) {
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92 addProblem(msg);
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93 }
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94
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95 protected List<Problem> checkProblems() {
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96 if (problems == null) {
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97 problems = new ArrayList<Problem>();
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98 }
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99 return problems;
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100 }
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101
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102 public void addProblems(Calculation other) {
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103 List<Problem> otherProblems = other.problems;
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104 if (otherProblems != null) {
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105 List<Problem> problems = checkProblems();
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106 for (Problem problem: otherProblems) {
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107 if (!problems.contains(problem)) {
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108 problems.add(problem);
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109 }
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110 }
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111 }
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112 }
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113
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114 public void addProblem(Problem problem) {
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115 List<Problem> problems = checkProblems();
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116 if (!problems.contains(problem)) {
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117 problems.add(problem);
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118 }
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119 }
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120
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121 public void addProblem(String msg) {
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122 addProblem(new Problem(msg));
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123 }
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124
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125 public void addProblem(String msg, Object ... args) {
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126 addProblem(new Problem(msg, args));
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127 }
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128
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129 public void addProblem(double km, String msg) {
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130 addProblem(new Problem(km, msg));
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131 }
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132
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133 public void addProblem(double km, String msg, Object ... args) {
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134 addProblem(new Problem(km, msg, args));
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135 }
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136
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137 public boolean hasProblems() {
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138 return problems != null && !problems.isEmpty();
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139 }
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140
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141 public int numProblems() {
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142 return problems != null ? problems.size() : 0;
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143 }
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144
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145 public List<Problem> getProblems() {
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146 return problems;
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147 }
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148
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149 public void toXML(Document document, CallMeta meta) {
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150
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151 Element root = document.createElement("problems");
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152
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153 if (hasProblems()) {
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154 for (Problem problem: problems) {
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155 root.appendChild(problem.toXML(document, meta));
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156 }
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157 }
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158
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159 document.appendChild(root);
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160 }
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161 }
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162 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org