1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.junit.Assert.assertEquals;
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5 | import static org.junit.Assert.assertTrue;
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6 |
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7 | import java.io.FileInputStream;
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8 | import java.io.IOException;
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9 | import java.io.InputStream;
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10 | import java.util.Arrays;
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11 | import java.util.Collection;
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12 | import java.util.HashSet;
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13 | import java.util.Objects;
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14 | import java.util.Set;
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15 |
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16 | import org.junit.Rule;
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17 | import org.junit.Test;
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18 | import org.openstreetmap.josm.Main;
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19 | import org.openstreetmap.josm.TestUtils;
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20 | import org.openstreetmap.josm.actions.search.SearchAction;
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21 | import org.openstreetmap.josm.data.osm.DataSet;
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22 | import org.openstreetmap.josm.data.osm.Node;
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23 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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24 | import org.openstreetmap.josm.data.osm.Relation;
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25 | import org.openstreetmap.josm.data.osm.RelationMember;
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26 | import org.openstreetmap.josm.data.osm.Way;
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27 | import org.openstreetmap.josm.gui.layer.Layer;
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28 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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29 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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30 | import org.openstreetmap.josm.io.IllegalDataException;
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31 | import org.openstreetmap.josm.io.OsmReader;
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32 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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33 | import org.openstreetmap.josm.tools.MultiMap;
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34 | import org.openstreetmap.josm.tools.Utils;
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35 |
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36 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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37 |
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38 | /**
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39 | * Unit tests of {@link JoinAreasAction} class.
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40 | */
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41 | public class JoinAreasActionTest {
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42 |
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43 | /**
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44 | * Setup test.
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45 | */
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46 | @Rule
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47 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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48 | public JOSMTestRules test = new JOSMTestRules().commands();
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49 |
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50 | /**
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51 | * Non-regression test for bug #10511.
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52 | * @throws IOException if any I/O error occurs
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53 | * @throws IllegalDataException if OSM parsing fails
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54 | */
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55 | @Test
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56 | public void testTicket10511() throws IOException, IllegalDataException {
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57 | try (InputStream is = TestUtils.getRegressionDataStream(10511, "10511_mini.osm")) {
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58 | DataSet ds = OsmReader.parseDataSet(is, null);
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59 | Layer layer = new OsmDataLayer(ds, null, null);
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60 | Main.getLayerManager().addLayer(layer);
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61 | try {
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62 | new JoinAreasAction().join(ds.getWays());
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63 | } finally {
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64 | // Ensure we clean the place before leaving, even if test fails.
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65 | Main.getLayerManager().removeLayer(layer);
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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 | /**
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71 | * Non-regression test for bug #11992.
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72 | * @throws IOException if any I/O error occurs
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73 | * @throws IllegalDataException if OSM parsing fails
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74 | */
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75 | @Test
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76 | public void testTicket11992() throws IOException, IllegalDataException {
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77 | try (InputStream is = TestUtils.getRegressionDataStream(11992, "shapes.osm")) {
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78 | DataSet ds = OsmReader.parseDataSet(is, null);
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79 | assertEquals(10, ds.getWays().size());
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80 | Layer layer = new OsmDataLayer(ds, null, null);
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81 | Main.getLayerManager().addLayer(layer);
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82 | for (String ref : new String[]{"A", "B", "C", "D", "E"}) {
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83 | System.out.print("Joining ways " + ref);
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84 | Collection<OsmPrimitive> found = SearchAction.searchAndReturn("type:way ref="+ref, SearchAction.SearchMode.replace);
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85 | assertEquals(2, found.size());
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86 |
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87 | Main.main.menu.joinAreas.join(Utils.filteredCollection(found, Way.class));
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88 |
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89 | Collection<OsmPrimitive> found2 = SearchAction.searchAndReturn("type:relation ref="+ref, SearchAction.SearchMode.replace);
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90 | assertEquals(1, found2.size());
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91 | System.out.println(" ==> OK");
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92 | }
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93 | }
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94 | }
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95 |
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96 | /**
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97 | * Non-regression test which checks example files in data_nodist
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98 | * @throws Exception if an error occurs
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99 | */
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100 | @Test
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101 | @SuppressWarnings({ "rawtypes", "unchecked" })
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102 | public void testExamples() throws Exception {
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103 | DataSet dsToJoin, dsExpected;
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104 | try (InputStream is = new FileInputStream("data_nodist/Join_Areas_Tests.osm")) {
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105 | dsToJoin = OsmReader.parseDataSet(is, NullProgressMonitor.INSTANCE);
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106 | }
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107 | try (InputStream is = new FileInputStream("data_nodist/Join_Areas_Tests_joined.osm")) {
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108 | dsExpected = OsmReader.parseDataSet(is, NullProgressMonitor.INSTANCE);
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109 | }
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110 | Collection<OsmPrimitive> testPrims = dsToJoin.getPrimitives(osm -> osm.get("test") != null);
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111 | MultiMap<String, OsmPrimitive> tests = new MultiMap<>();
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112 | for (OsmPrimitive testPrim : testPrims) {
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113 | tests.put(testPrim.get("test"), testPrim);
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114 | }
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115 | for (String test : tests.keySet()) {
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116 | Collection<OsmPrimitive> primitives = tests.get(test);
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117 | for (OsmPrimitive osm : primitives) {
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118 | assertTrue(test + "; expected way, but got: " + osm, osm instanceof Way);
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119 | }
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120 | new JoinAreasAction().join((Collection) primitives);
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121 | Collection<OsmPrimitive> joinedCol = dsToJoin.getPrimitives(osm -> !osm.isDeleted() && Objects.equals(osm.get("test"), test));
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122 | assertEquals("in test " + test + ":", 1, joinedCol.size());
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123 | Collection<OsmPrimitive> expectedCol = dsExpected.getPrimitives(osm -> !osm.isDeleted() && Objects.equals(osm.get("test"), test));
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124 | assertEquals("in test " + test + ":", 1, expectedCol.size());
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125 | OsmPrimitive osmJoined = joinedCol.iterator().next();
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126 | OsmPrimitive osmExpected = expectedCol.iterator().next();
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127 | assertTrue("difference in test " + test, isSemanticallyEqual(osmExpected, osmJoined));
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128 | }
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129 | }
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130 |
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131 | /**
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132 | * Check if 2 primitives are semantically equal as result of a join areas
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133 | * operation.
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134 | * @param osm1 first primitive
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135 | * @param osm2 second primitive
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136 | * @return true if both primitives are semantically equal
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137 | */
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138 | private boolean isSemanticallyEqual(OsmPrimitive osm1, OsmPrimitive osm2) {
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139 | if (osm1 instanceof Node && osm2 instanceof Node)
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140 | return isSemanticallyEqualNode((Node) osm1, (Node) osm2);
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141 | if (osm1 instanceof Way && osm2 instanceof Way)
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142 | return isSemanticallyEqualWay((Way) osm1, (Way) osm2);
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143 | if (osm1 instanceof Relation && osm2 instanceof Relation)
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144 | return isSemanticallyEqualRelation((Relation) osm1, (Relation) osm2);
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145 | return false;
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146 | }
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147 |
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148 | private boolean isSemanticallyEqualRelation(Relation r1, Relation r2) {
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149 | if (!r1.getKeys().equals(r2.getKeys())) return false;
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150 | if (r1.getMembersCount() != r2.getMembersCount()) return false;
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151 | Set<RelationMember> matchCandidates = new HashSet<>(r2.getMembers());
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152 | for (RelationMember rm : r1.getMembers()) {
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153 | RelationMember matched = null;
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154 | for (RelationMember cand : matchCandidates) {
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155 | if (!rm.getRole().equals(cand.getRole())) continue;
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156 | if (!isSemanticallyEqual(rm.getMember(), cand.getMember())) continue;
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157 | matched = cand;
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158 | break;
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159 | }
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160 | if (matched == null) return false;
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161 | matchCandidates.remove(matched);
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162 | }
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163 | return true;
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164 | }
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165 |
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166 | private boolean isSemanticallyEqualWay(Way w1, Way w2) {
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167 | if (!w1.isClosed() || !w2.isClosed()) throw new UnsupportedOperationException();
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168 | if (!w1.getKeys().equals(w2.getKeys())) return false;
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169 | if (w1.getNodesCount() != w2.getNodesCount()) return false;
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170 | int n = w1.getNodesCount() - 1;
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171 | for (int dir : Arrays.asList(1, -1)) {
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172 | for (int i = 0; i < n; i++) {
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173 | boolean different = false;
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174 | for (int j = 0; j < n; j++) {
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175 | Node n1 = w1.getNode(j);
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176 | Node n2 = w2.getNode(Utils.mod(i + dir*j, n));
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177 | if (!isSemanticallyEqualNode(n1, n2)) {
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178 | different = true;
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179 | break;
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180 | }
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181 | }
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182 | if (!different)
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183 | return true;
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184 | }
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185 | }
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186 | return false;
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187 | }
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188 |
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189 | private boolean isSemanticallyEqualNode(Node n1, Node n2) {
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190 | return n1.hasEqualSemanticAttributes(n2);
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191 | }
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192 | }
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