1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.data.osm;
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3 |
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4 | import org.openstreetmap.josm.Main;
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5 | import org.openstreetmap.josm.data.coor.CachedLatLon;
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6 | import org.openstreetmap.josm.data.coor.EastNorth;
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7 | import org.openstreetmap.josm.data.coor.LatLon;
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8 | import org.openstreetmap.josm.data.osm.visitor.Visitor;
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9 |
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10 | /**
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11 | * One node data, consisting of one world coordinate waypoint.
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12 | *
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13 | * @author imi
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14 | */
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15 | public final class Node extends OsmPrimitive {
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16 |
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17 | private CachedLatLon coor;
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18 |
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19 | public final void setCoor(LatLon coor) {
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20 | if(coor != null){
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21 | if (getDataSet() != null) {
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22 | getDataSet().fireNodeMoved(this, coor);
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23 | } else {
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24 | setCoorInternal(coor);
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25 | }
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26 | }
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27 | }
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28 |
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29 | public final LatLon getCoor() {
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30 | return coor;
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31 | }
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32 |
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33 | public final void setEastNorth(EastNorth eastNorth) {
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34 | if(eastNorth != null) {
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35 | setCoor(Main.proj.eastNorth2latlon(eastNorth));
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36 | }
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37 | }
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38 |
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39 | public final EastNorth getEastNorth() {
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40 | return coor != null ? coor.getEastNorth() : null;
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41 | }
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42 |
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43 | /**
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44 | * To be used only by Dataset.reindexNode
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45 | */
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46 | protected void setCoorInternal(LatLon coor) {
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47 | if(this.coor == null) {
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48 | this.coor = new CachedLatLon(coor);
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49 | } else {
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50 | this.coor.setCoor(coor);
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51 | }
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52 | }
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53 |
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54 | protected Node(long id, boolean allowNegative) {
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55 | super(id, allowNegative);
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56 | }
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57 |
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58 | /**
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59 | * Create a new local node.
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60 | *
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61 | */
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62 | public Node() {
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63 | this(0, false);
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64 | }
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65 |
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66 | /**
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67 | * Create an incomplete Node object
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68 | */
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69 | public Node(long id) {
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70 | super(id, false);
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71 | }
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72 |
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73 | /**
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74 | * Create new node
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75 | * @param id
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76 | * @param version
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77 | */
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78 | public Node(long id, int version) {
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79 | super(id, version, false);
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80 | }
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81 |
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82 | /**
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83 | *
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84 | * @param clone
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85 | * @param clearId If true, set version to 0 and id to new unique value
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86 | */
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87 | public Node(Node clone, boolean clearId) {
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88 | super(clone.getUniqueId(), true /* allow negative IDs */);
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89 | cloneFrom(clone);
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90 | if (clearId) {
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91 | clearOsmId();
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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 | * Create an identical clone of the argument (including the id)
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97 | */
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98 | public Node(Node clone) {
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99 | this(clone, false);
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100 | }
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101 |
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102 | public Node(LatLon latlon) {
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103 | super(0, false);
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104 | setCoor(latlon);
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105 | }
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106 |
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107 | public Node(EastNorth eastNorth) {
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108 | super(0, false);
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109 | setEastNorth(eastNorth);
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110 | }
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111 |
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112 | @Override public void visit(Visitor visitor) {
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113 | visitor.visit(this);
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114 | }
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115 |
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116 | @Override public void cloneFrom(OsmPrimitive osm) {
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117 | super.cloneFrom(osm);
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118 | setCoor(((Node)osm).coor);
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119 | }
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120 |
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121 | /**
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122 | * Merges the technical and semantical attributes from <code>other</code> onto this.
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123 | *
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124 | * Both this and other must be new, or both must be assigned an OSM ID. If both this and <code>other</code>
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125 | * have an assigend OSM id, the IDs have to be the same.
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126 | *
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127 | * @param other the other primitive. Must not be null.
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128 | * @throws IllegalArgumentException thrown if other is null.
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129 | * @throws DataIntegrityProblemException thrown if either this is new and other is not, or other is new and this is not
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130 | * @throws DataIntegrityProblemException thrown if other is new and other.getId() != this.getId()
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131 | */
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132 | @Override
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133 | public void mergeFrom(OsmPrimitive other) {
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134 | super.mergeFrom(other);
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135 | if (!other.isIncomplete()) {
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136 | setCoor(new LatLon(((Node)other).coor));
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137 | }
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138 | }
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139 |
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140 | @Override public void load(PrimitiveData data) {
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141 | super.load(data);
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142 | setCoor(((NodeData)data).getCoor());
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143 | }
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144 |
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145 | @Override public NodeData save() {
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146 | NodeData data = new NodeData();
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147 | saveCommonAttributes(data);
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148 | if (!isIncomplete()) {
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149 | data.setCoor(getCoor());
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150 | }
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151 | return data;
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152 | }
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153 |
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154 | @Override public String toString() {
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155 | String coorDesc = coor == null?"":"lat="+coor.lat()+",lon="+coor.lon();
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156 | return "{Node id=" + getUniqueId() + " version=" + getVersion() + " " + getFlagsAsString() + " " + coorDesc+"}";
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157 | }
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158 |
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159 | @Override
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160 | public boolean hasEqualSemanticAttributes(OsmPrimitive other) {
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161 | if (other == null || ! (other instanceof Node) )
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162 | return false;
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163 | if (! super.hasEqualSemanticAttributes(other))
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164 | return false;
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165 | Node n = (Node)other;
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166 | if (coor == null && n.coor == null)
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167 | return true;
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168 | else if (coor != null && n.coor != null)
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169 | return coor.equalsEpsilon(n.coor);
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170 | else
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171 | return false;
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172 | }
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173 |
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174 | public int compareTo(OsmPrimitive o) {
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175 | return o instanceof Node ? Long.valueOf(getUniqueId()).compareTo(o.getUniqueId()) : 1;
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176 | }
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177 |
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178 | @Override
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179 | public String getDisplayName(NameFormatter formatter) {
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180 | return formatter.format(this);
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181 | }
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182 |
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183 | public OsmPrimitiveType getType() {
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184 | return OsmPrimitiveType.NODE;
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185 | }
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186 |
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187 | @Override
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188 | public BBox getBBox() {
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189 | return new BBox(this);
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190 | }
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191 |
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192 | @Override
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193 | public void updatePosition() {
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194 | // TODO: replace CachedLatLon with simple doubles and update precalculated EastNorth value here
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195 | }
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196 |
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197 | public boolean isConnectionNode() {
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198 | return (OsmPrimitive.getFilteredList(getReferrers(), Way.class)).size() > 1;
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199 | }
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200 | }
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