Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/Calculation.java @ 6152:0587819960c3

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Waterlevel differences & bed height differences: Add new model LinearInterpolated intented to unify the two very similiar calculations. The focus of the current implementation is correctness and not speed! The fact that the data sets more mostly sorted by station is not exploited. Doing so would improve performance significantly.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 02 Jun 2013 17:52:53 +0200
parents af13ceeba52a
children 898afcce1d0a
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Element;
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13
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14 import java.util.List;
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15 import java.util.ArrayList;
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16 import java.util.Arrays;
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17
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18 import java.io.Serializable;
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19
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20 import org.dive4elements.artifacts.CallMeta;
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21
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22 import org.dive4elements.river.artifacts.resources.Resources;
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23
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24 import org.dive4elements.river.utils.Formatter;
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25
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26 /** A calculation that can have result and problems. */
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27 public class Calculation
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28 implements Serializable
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29 {
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30 /** Problem of a calculation.
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31 * Has location and message. */
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32 public static class Problem
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33 implements Serializable
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34 {
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35 protected Double km;
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36 protected String msg;
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37 protected Object [] args;
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38
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39 public Problem() {
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40 }
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41
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42 public Problem(String msg) {
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43 this.msg = msg;
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44 }
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45
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46 public Problem(String msg, Object [] args) {
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47 this.msg = msg;
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48 this.args = args;
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49 }
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50
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51 public Problem(double km, String msg) {
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52 this.km = km;
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53 this.msg = msg;
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54 }
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55
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56 public Problem(double km, String msg, Object [] args) {
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57 this.km = km;
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58 this.msg = msg;
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59 this.args = args;
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60 }
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61
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62 public Element toXML(Document document, CallMeta meta) {
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63 Element problem = document.createElement("problem");
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64 if (km != null) {
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65 problem.setAttribute(
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66 "km",
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67 Formatter.getCalculationKm(meta).format(km));
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68 }
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69 String text = args != null
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70 ? Resources.getMsg(meta, msg, msg, args)
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71 : Resources.getMsg(meta, msg, msg);
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72 problem.setTextContent(text);
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73 return problem;
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74 }
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75
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76 public String getMsg() {
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77 return msg;
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78 }
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79
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80 @Override
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81 public boolean equals(Object other) {
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82 if (!(other instanceof Problem)) {
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83 return false;
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84 }
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85 Problem o = (Problem)other;
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86 return !(!msg.equals(o.msg)
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87 || (km == null && o.km != null)
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88 || (km != null && o.km == null)
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89 || (km != null && !km.equals(o.km))
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90 || !Arrays.equals(args, o.args));
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91 }
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92 } // class Problem
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93
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94 protected List<Problem> problems;
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95
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96 public Calculation() {
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97 }
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98
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99 public Calculation(String msg) {
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100 addProblem(msg);
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101 }
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102
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103 /** New Calculation with error which can be translated given args. */
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104 public Calculation(String msg, Object ... args) {
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105 addProblem(msg, args);
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106 }
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107
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108 protected List<Problem> checkProblems() {
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109 if (problems == null) {
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110 problems = new ArrayList<Problem>();
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111 }
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112 return problems;
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113 }
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114
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115 public void addProblems(Calculation other) {
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116 List<Problem> otherProblems = other.problems;
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117 if (otherProblems != null) {
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118 List<Problem> problems = checkProblems();
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119 for (Problem problem: otherProblems) {
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120 if (!problems.contains(problem)) {
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121 problems.add(problem);
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122 }
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123 }
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124 }
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125 }
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126
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127 public void addProblem(Problem problem) {
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128 List<Problem> problems = checkProblems();
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129 if (!problems.contains(problem)) {
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130 problems.add(problem);
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131 }
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132 }
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133
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134 public void addProblem(String msg) {
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135 addProblem(new Problem(msg));
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136 }
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137
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138 public void addProblem(String msg, Object ... args) {
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139 addProblem(new Problem(msg, args));
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140 }
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141
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142 public void addProblem(double km, String msg) {
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143 addProblem(new Problem(km, msg));
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144 }
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145
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146 public void addProblem(double km, String msg, Object ... args) {
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147 addProblem(new Problem(km, msg, args));
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148 }
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149
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150 public boolean hasProblems() {
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151 return problems != null && !problems.isEmpty();
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152 }
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153
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154 public int numProblems() {
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155 return problems != null ? problems.size() : 0;
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156 }
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157
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158 public List<Problem> getProblems() {
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159 return problems;
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160 }
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161
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162 public void toXML(Document document, CallMeta meta) {
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163
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164 Element root = document.createElement("problems");
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165
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166 if (hasProblems()) {
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167 for (Problem problem: problems) {
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168 root.appendChild(problem.toXML(document, meta));
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169 }
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170 }
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171
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172 document.appendChild(root);
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173 }
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174 }
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175 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org