1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.osm;
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3 |
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4 | import java.io.PrintWriter;
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5 | import java.io.StringWriter;
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6 | import java.io.Writer;
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7 |
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8 | import org.openstreetmap.josm.data.coor.LatLon;
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9 |
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10 | /**
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11 | * This class can be used to run consistency tests on dataset. Any errors found will be written to provided PrintWriter
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12 | * <br>
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13 | * Texts here should not be translated because they're not intended for users but for josm developers
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14 | *
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15 | */
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16 | public class DatasetConsistencyTest {
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17 |
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18 | private static final int MAX_ERRORS = 100;
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19 | private final DataSet dataSet;
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20 | private final PrintWriter writer;
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21 | private int errorCount;
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22 |
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23 | public DatasetConsistencyTest(DataSet dataSet, Writer writer) {
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24 | this.dataSet = dataSet;
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25 | this.writer = new PrintWriter(writer);
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26 | }
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27 |
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28 | private void printError(String type, String message, Object... args) {
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29 | errorCount++;
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30 | if (errorCount <= MAX_ERRORS) {
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31 | writer.println("[" + type + "] " + String.format(message, args));
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32 | }
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33 | }
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34 |
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35 | public void checkReferrers() {
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36 | // It's also error when referred primitive's dataset is null but it's already covered by referredPrimitiveNotInDataset check
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37 | for (Way way:dataSet.getWays()) {
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38 | if (!way.isDeleted()) {
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39 | for (Node n:way.getNodes()) {
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40 | if (n.getDataSet() != null && !n.getReferrers().contains(way)) {
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41 | printError("WAY NOT IN REFERRERS", "%s is part of %s but is not in referrers", n, way);
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42 | }
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43 | }
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44 | }
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45 | }
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46 |
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47 | for (Relation relation:dataSet.getRelations()) {
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48 | if (!relation.isDeleted()) {
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49 | for (RelationMember m:relation.getMembers()) {
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50 | if (m.getMember().getDataSet() != null && !m.getMember().getReferrers().contains(relation)) {
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51 | printError("RELATION NOT IN REFERRERS", "%s is part of %s but is not in referrers", m.getMember(), relation);
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52 | }
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53 | }
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54 | }
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55 | }
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56 | }
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57 |
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58 | public void checkCompleteWaysWithIncompleteNodes() {
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59 | for (Way way:dataSet.getWays()) {
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60 | if (way.isUsable()) {
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61 | for (Node node:way.getNodes()) {
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62 | if (node.isIncomplete()) {
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63 | printError("USABLE HAS INCOMPLETE", "%s is usable but contains incomplete node '%s'", way, node);
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64 | }
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65 | }
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66 | }
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67 | }
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68 | }
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69 |
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70 | public void checkCompleteNodesWithoutCoordinates() {
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71 | for (Node node:dataSet.getNodes()) {
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72 | if (!node.isIncomplete() && !node.isDeleted() && (node.getCoor() == null || node.getEastNorth() == null)) {
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73 | printError("COMPLETE WITHOUT COORDINATES", "%s is not incomplete but has null coordinates", node);
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74 | }
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75 | }
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76 | }
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77 |
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78 | public void searchNodes() {
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79 | for (Node n:dataSet.getNodes()) {
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80 | if (!n.isIncomplete() && !n.isDeleted()) {
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81 | LatLon c = n.getCoor();
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82 | BBox box = new BBox(new LatLon(c.lat() - 0.0001, c.lon() - 0.0001), new LatLon(c.lat() + 0.0001, c.lon() + 0.0001));
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83 | if (!dataSet.searchNodes(box).contains(n)) {
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84 | printError("SEARCH NODES", "%s not found using Dataset.searchNodes()", n);
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85 | }
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86 | }
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87 | }
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88 | }
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89 |
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90 | public void searchWays() {
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91 | for (Way w:dataSet.getWays()) {
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92 | if (!w.isIncomplete() && !w.isDeleted() && w.getNodesCount() >= 2 && !dataSet.searchWays(w.getBBox()).contains(w)) {
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93 | printError("SEARCH WAYS", "%s not found using Dataset.searchWays()", w);
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94 | }
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95 | }
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96 | }
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97 |
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98 | private void checkReferredPrimitive(OsmPrimitive primitive, OsmPrimitive parent) {
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99 | if (primitive.getDataSet() == null) {
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100 | printError("NO DATASET", "%s is referenced by %s but not found in dataset", primitive, parent);
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101 | } else if (dataSet.getPrimitiveById(primitive) == null) {
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102 | printError("REFERENCED BUT NOT IN DATA", "%s is referenced by %s but not found in dataset", primitive, parent);
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103 | } else if (dataSet.getPrimitiveById(primitive) != primitive) {
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104 | printError("DIFFERENT INSTANCE", "%s is different instance that referred by %s", primitive, parent);
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105 | }
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106 |
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107 | if (primitive.isDeleted()) {
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108 | printError("DELETED REFERENCED", "%s refers to deleted primitive %s", parent, primitive);
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109 | }
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110 | }
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111 |
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112 | public void referredPrimitiveNotInDataset() {
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113 | for (Way way:dataSet.getWays()) {
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114 | for (Node node:way.getNodes()) {
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115 | checkReferredPrimitive(node, way);
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116 | }
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117 | }
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118 |
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119 | for (Relation relation:dataSet.getRelations()) {
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120 | for (RelationMember member:relation.getMembers()) {
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121 | checkReferredPrimitive(member.getMember(), relation);
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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 checkZeroNodesWays() {
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128 | for (Way way:dataSet.getWays()) {
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129 | if (way.isUsable() && way.getNodesCount() == 0) {
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130 | printError("WARN - ZERO NODES", "Way %s has zero nodes", way);
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131 | } else if (way.isUsable() && way.getNodesCount() == 1) {
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132 | printError("WARN - NO NODES", "Way %s has only one node", way);
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133 | }
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134 | }
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135 | }
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136 |
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137 | public void runTest() {
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138 | try {
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139 | referredPrimitiveNotInDataset();
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140 | checkReferrers();
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141 | checkCompleteWaysWithIncompleteNodes();
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142 | checkCompleteNodesWithoutCoordinates();
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143 | searchNodes();
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144 | searchWays();
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145 | checkZeroNodesWays();
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146 | if (errorCount > MAX_ERRORS) {
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147 | writer.println((errorCount - MAX_ERRORS) + " more...");
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148 | }
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149 | } catch (Exception e) {
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150 | writer.println("Exception during dataset integrity test:");
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151 | e.printStackTrace(writer);
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152 | }
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153 | }
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154 |
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155 | public static String runTests(DataSet dataSet) {
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156 | StringWriter writer = new StringWriter();
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157 | new DatasetConsistencyTest(dataSet, writer).runTest();
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158 | return writer.toString();
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159 | }
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160 |
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161 | }
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