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.data.coor.CachedLatLon;
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5 | import org.openstreetmap.josm.data.coor.EastNorth;
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6 | import org.openstreetmap.josm.data.coor.LatLon;
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7 | import org.openstreetmap.josm.data.osm.QuadBuckets.BBox;
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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(this.coor == null) {
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22 | this.coor = new CachedLatLon(coor);
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23 | } else {
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24 | this.coor.setCoor(coor);
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25 | }
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26 | if (getDataSet() != null) {
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27 | getDataSet().fireNodeMoved(this);
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28 | }
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29 | }
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30 | }
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31 |
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32 | public final LatLon getCoor() {
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33 | return coor;
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34 | }
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35 |
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36 | public final void setEastNorth(EastNorth eastNorth) {
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37 | if(eastNorth != null)
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38 | {
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39 | if(coor != null) {
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40 | coor.setEastNorth(eastNorth);
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41 | } else {
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42 | coor = new CachedLatLon(eastNorth);
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43 | }
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44 | if (getDataSet() != null) {
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45 | getDataSet().fireNodeMoved(this);
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46 | }
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47 | }
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48 | }
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49 |
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50 | public final EastNorth getEastNorth() {
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51 | return coor != null ? coor.getEastNorth() : null;
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52 | }
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53 |
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54 |
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55 | protected Node(long id, boolean allowNegative) {
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56 | super(id, allowNegative);
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57 | }
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58 |
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59 |
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60 | /**
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61 | * Create a new local node.
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62 | *
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63 | */
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64 | public Node() {
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65 | this(0, false);
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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 | * Create an incomplete Node object
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71 | */
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72 | public Node(long id) {
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73 | super(id, false);
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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 | * @param clone
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79 | * @param clearId If true, set version to 0 and id to new unique value
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80 | */
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81 | public Node(Node clone, boolean clearId) {
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82 | super(clone.getUniqueId(), true);
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83 | cloneFrom(clone);
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84 | if (clearId) {
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85 | clearOsmId();
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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 | * Create an identical clone of the argument (including the id)
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91 | */
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92 | public Node(Node clone) {
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93 | this(clone, false);
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94 | }
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95 |
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96 | public Node(LatLon latlon) {
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97 | super(0, false);
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98 | setCoor(latlon);
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99 | }
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100 |
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101 | public Node(EastNorth eastNorth) {
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102 | super(0, false);
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103 | setEastNorth(eastNorth);
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104 | }
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105 |
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106 | @Override public void visit(Visitor visitor) {
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107 | visitor.visit(this);
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108 | }
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109 |
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110 | @Override public void cloneFrom(OsmPrimitive osm) {
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111 | super.cloneFrom(osm);
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112 | setCoor(((Node)osm).coor);
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113 | }
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114 |
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115 | /**
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116 | * Merges the technical and semantical attributes from <code>other</code> onto this.
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117 | *
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118 | * 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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119 | * have an assigend OSM id, the IDs have to be the same.
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120 | *
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121 | * @param other the other primitive. Must not be null.
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122 | * @throws IllegalArgumentException thrown if other is null.
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123 | * @throws DataIntegrityProblemException thrown if either this is new and other is not, or other is new and this is not
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124 | * @throws DataIntegrityProblemException thrown if other is new and other.getId() != this.getId()
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125 | */
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126 | @Override
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127 | public void mergeFrom(OsmPrimitive other) {
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128 | super.mergeFrom(other);
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129 | if (!other.incomplete) {
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130 | setCoor(new LatLon(((Node)other).coor));
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131 | }
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132 | }
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133 |
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134 | @Override public void load(PrimitiveData data) {
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135 | super.load(data);
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136 | setCoor(((NodeData)data).getCoor());
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137 | }
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138 |
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139 | @Override public NodeData save() {
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140 | NodeData data = new NodeData();
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141 | saveCommonAttributes(data);
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142 | data.setCoor(getCoor());
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143 | return data;
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144 | }
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145 |
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146 | @Override public String toString() {
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147 | String coorDesc = coor == null?"":"lat="+coor.lat()+",lon="+coor.lon();
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148 | return "{Node id=" + getUniqueId() + " version=" + getVersion() + " " + getFlagsAsString() + " " + coorDesc+"}";
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149 | }
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150 |
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151 | @Override
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152 | public boolean hasEqualSemanticAttributes(OsmPrimitive other) {
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153 | if (other == null || ! (other instanceof Node) )
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154 | return false;
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155 | if (! super.hasEqualSemanticAttributes(other))
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156 | return false;
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157 | Node n = (Node)other;
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158 | if (coor == null && n.coor == null)
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159 | return true;
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160 | else if (coor != null && n.coor != null)
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161 | return coor.equals(n.coor);
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162 | else
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163 | return false;
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164 | }
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165 |
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166 | public int compareTo(OsmPrimitive o) {
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167 | return o instanceof Node ? Long.valueOf(getId()).compareTo(o.getId()) : 1;
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168 | }
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169 |
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170 | @Override
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171 | public String getDisplayName(NameFormatter formatter) {
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172 | return formatter.format(this);
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173 | }
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174 |
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175 | public OsmPrimitiveType getType() {
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176 | return OsmPrimitiveType.NODE;
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177 | }
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178 |
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179 | @Override
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180 | public BBox getBBox() {
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181 | if (coor == null)
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182 | return new BBox(0, 0, 0, 0);
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183 | else
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184 | return new BBox(coor, coor);
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185 | }
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186 |
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187 | @Override
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188 | public void updatePosition() {
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189 | // Do nothing for now, but in future replace CachedLatLon with simple doubles and update precalculated EastNorth value here
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190 | }
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191 | }
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