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 | boolean locked = writeLock();
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23 | try {
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24 | getDataSet().fireNodeMoved(this, coor);
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25 | } finally {
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26 | writeUnlock(locked);
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27 | }
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28 | } else {
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29 | setCoorInternal(coor);
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30 | }
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31 | }
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32 | }
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33 |
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34 | public final LatLon getCoor() {
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35 | return coor;
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36 | }
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37 |
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38 | public final void setEastNorth(EastNorth eastNorth) {
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39 | if(eastNorth != null) {
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40 | setCoor(Main.proj.eastNorth2latlon(eastNorth));
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41 | }
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42 | }
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43 |
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44 | public final EastNorth getEastNorth() {
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45 | return coor != null ? coor.getEastNorth() : null;
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46 | }
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47 |
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48 | /**
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49 | * To be used only by Dataset.reindexNode
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50 | */
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51 | protected void setCoorInternal(LatLon coor) {
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52 | if(this.coor == null) {
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53 | this.coor = new CachedLatLon(coor);
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54 | } else {
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55 | this.coor.setCoor(coor);
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56 | }
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57 | }
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58 |
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59 | protected Node(long id, boolean allowNegative) {
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60 | super(id, allowNegative);
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61 | }
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62 |
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63 | /**
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64 | * Create a new local node.
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65 | *
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66 | */
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67 | public Node() {
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68 | this(0, false);
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69 | }
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70 |
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71 | /**
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72 | * Create an incomplete Node object
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73 | */
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74 | public Node(long id) {
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75 | super(id, false);
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76 | }
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77 |
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78 | /**
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79 | * Create new node
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80 | * @param id
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81 | * @param version
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82 | */
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83 | public Node(long id, int version) {
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84 | super(id, version, false);
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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 | * @param clone
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90 | * @param clearId If true, set version to 0 and id to new unique value
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91 | */
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92 | public Node(Node clone, boolean clearId) {
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93 | super(clone.getUniqueId(), true /* allow negative IDs */);
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94 | cloneFrom(clone);
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95 | if (clearId) {
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96 | clearOsmId();
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97 | }
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98 | }
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99 |
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100 | /**
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101 | * Create an identical clone of the argument (including the id)
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102 | */
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103 | public Node(Node clone) {
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104 | this(clone, false);
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105 | }
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106 |
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107 | public Node(LatLon latlon) {
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108 | super(0, false);
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109 | setCoor(latlon);
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110 | }
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111 |
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112 | public Node(EastNorth eastNorth) {
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113 | super(0, false);
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114 | setEastNorth(eastNorth);
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115 | }
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116 |
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117 | @Override public void visit(Visitor visitor) {
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118 | visitor.visit(this);
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119 | }
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120 |
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121 | @Override public void cloneFrom(OsmPrimitive osm) {
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122 | boolean locked = writeLock();
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123 | try {
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124 | super.cloneFrom(osm);
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125 | setCoor(((Node)osm).coor);
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126 | } finally {
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127 | writeUnlock(locked);
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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 | * Merges the technical and semantical attributes from <code>other</code> onto this.
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133 | *
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134 | * 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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135 | * have an assigend OSM id, the IDs have to be the same.
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136 | *
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137 | * @param other the other primitive. Must not be null.
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138 | * @throws IllegalArgumentException thrown if other is null.
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139 | * @throws DataIntegrityProblemException thrown if either this is new and other is not, or other is new and this is not
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140 | * @throws DataIntegrityProblemException thrown if other is new and other.getId() != this.getId()
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141 | */
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142 | @Override
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143 | public void mergeFrom(OsmPrimitive other) {
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144 | boolean locked = writeLock();
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145 | try {
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146 | super.mergeFrom(other);
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147 | if (!other.isIncomplete()) {
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148 | setCoor(new LatLon(((Node)other).coor));
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149 | }
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150 | } finally {
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151 | writeUnlock(locked);
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152 | }
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153 | }
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154 |
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155 | @Override public void load(PrimitiveData data) {
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156 | boolean locked = writeLock();
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157 | try {
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158 | super.load(data);
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159 | setCoor(((NodeData)data).getCoor());
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160 | } finally {
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161 | writeUnlock(locked);
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162 | }
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163 | }
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164 |
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165 | @Override public NodeData save() {
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166 | NodeData data = new NodeData();
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167 | saveCommonAttributes(data);
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168 | if (!isIncomplete()) {
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169 | data.setCoor(getCoor());
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170 | }
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171 | return data;
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172 | }
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173 |
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174 | @Override public String toString() {
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175 | String coorDesc = coor == null?"":"lat="+coor.lat()+",lon="+coor.lon();
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176 | return "{Node id=" + getUniqueId() + " version=" + getVersion() + " " + getFlagsAsString() + " " + coorDesc+"}";
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177 | }
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178 |
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179 | @Override
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180 | public boolean hasEqualSemanticAttributes(OsmPrimitive other) {
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181 | if (other == null || ! (other instanceof Node) )
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182 | return false;
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183 | if (! super.hasEqualSemanticAttributes(other))
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184 | return false;
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185 | Node n = (Node)other;
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186 | if (coor == null && n.coor == null)
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187 | return true;
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188 | else if (coor != null && n.coor != null)
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189 | return coor.equalsEpsilon(n.coor);
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190 | else
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191 | return false;
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192 | }
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193 |
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194 | public int compareTo(OsmPrimitive o) {
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195 | return o instanceof Node ? Long.valueOf(getUniqueId()).compareTo(o.getUniqueId()) : 1;
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196 | }
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197 |
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198 | @Override
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199 | public String getDisplayName(NameFormatter formatter) {
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200 | return formatter.format(this);
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201 | }
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202 |
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203 | public OsmPrimitiveType getType() {
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204 | return OsmPrimitiveType.NODE;
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205 | }
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206 |
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207 | @Override
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208 | public BBox getBBox() {
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209 | return new BBox(this);
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210 | }
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211 |
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212 | @Override
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213 | public void updatePosition() {
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214 | // TODO: replace CachedLatLon with simple doubles and update precalculated EastNorth value here
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215 | }
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216 |
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217 | public boolean isConnectionNode() {
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218 | return (OsmPrimitive.getFilteredList(getReferrers(), Way.class)).size() > 1;
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219 | }
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220 |
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221 | public String get3892DebugInfo() {
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222 | StringBuilder builder = new StringBuilder();
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223 | builder.append("Unexpected error. Please report it to http://josm.openstreetmap.de/ticket/3892\n");
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224 | builder.append(toString());
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225 | builder.append("\n");
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226 | if (coor == null) {
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227 | builder.append("Coor is null\n");
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228 | } else {
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229 | builder.append(String.format("EastNorth: %s\n", coor.getEastNorth()));
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230 | builder.append(coor.getProjection());
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231 | builder.append("\n");
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232 | }
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233 |
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234 | return builder.toString();
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235 | }
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236 | }
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