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 static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.util.ArrayList;
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7 | import java.util.Arrays;
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8 | import java.util.HashSet;
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9 | import java.util.List;
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10 | import java.util.Map;
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11 | import java.util.Set;
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12 | import java.util.stream.Collectors;
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13 | import java.util.stream.DoubleStream;
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14 | import java.util.stream.IntStream;
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15 |
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16 | import org.openstreetmap.josm.data.coor.ILatLon;
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17 | import org.openstreetmap.josm.data.osm.visitor.OsmPrimitiveVisitor;
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18 | import org.openstreetmap.josm.data.osm.visitor.PrimitiveVisitor;
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19 | import org.openstreetmap.josm.spi.preferences.Config;
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20 | import org.openstreetmap.josm.tools.CopyList;
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21 | import org.openstreetmap.josm.tools.Geometry;
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22 | import org.openstreetmap.josm.tools.Pair;
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23 | import org.openstreetmap.josm.tools.Utils;
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24 |
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25 | /**
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26 | * One full way, consisting of a list of way {@link Node nodes}.
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27 | *
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28 | * @author imi
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29 | * @since 64
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30 | */
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31 | public final class Way extends OsmPrimitive implements IWay<Node> {
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32 |
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33 | static final UniqueIdGenerator idGenerator = new UniqueIdGenerator();
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34 | private static final Node[] EMPTY_NODES = new Node[0];
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35 |
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36 | /**
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37 | * All way nodes in this way
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38 | */
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39 | private Node[] nodes = EMPTY_NODES;
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40 | private BBox bbox;
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41 |
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42 | @Override
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43 | public List<Node> getNodes() {
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44 | return new CopyList<>(nodes);
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45 | }
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46 |
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47 | @Override
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48 | public void setNodes(List<Node> nodes) {
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49 | checkDatasetNotReadOnly();
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50 | boolean locked = writeLock();
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51 | try {
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52 | for (Node node:this.nodes) {
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53 | node.removeReferrer(this);
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54 | node.clearCachedStyle();
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55 | }
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56 |
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57 | if (Utils.isEmpty(nodes)) {
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58 | this.nodes = EMPTY_NODES;
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59 | } else {
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60 | this.nodes = nodes.toArray(EMPTY_NODES);
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61 | }
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62 | for (Node node: this.nodes) {
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63 | node.addReferrer(this);
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64 | node.clearCachedStyle();
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65 | }
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66 |
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67 | clearCachedStyle();
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68 | fireNodesChanged();
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69 | } finally {
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70 | writeUnlock(locked);
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71 | }
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72 | }
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73 |
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74 | /**
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75 | * Prevent directly following identical nodes in ways.
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76 | * @param nodes list of nodes
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77 | * @return {@code nodes} with consecutive identical nodes removed
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78 | */
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79 | private static List<Node> removeDouble(List<Node> nodes) {
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80 | Node last = null;
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81 | int count = nodes.size();
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82 | for (int i = 0; i < count && count > 2;) {
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83 | Node n = nodes.get(i);
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84 | if (last == n) {
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85 | nodes.remove(i);
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86 | --count;
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87 | } else {
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88 | last = n;
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89 | ++i;
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90 | }
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91 | }
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92 | return nodes;
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93 | }
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94 |
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95 | @Override
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96 | public int getNodesCount() {
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97 | return nodes.length;
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98 | }
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99 |
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100 | @Override
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101 | public Node getNode(int index) {
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102 | return nodes[index];
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103 | }
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104 |
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105 | @Override
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106 | public long getNodeId(int idx) {
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107 | return nodes[idx].getUniqueId();
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108 | }
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109 |
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110 | @Override
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111 | public List<Long> getNodeIds() {
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112 | return Arrays.stream(nodes).map(Node::getId).collect(Collectors.toList());
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113 | }
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114 |
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115 | /**
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116 | * Replies true if this way contains the node <code>node</code>, false
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117 | * otherwise. Replies false if <code>node</code> is null.
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118 | *
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119 | * @param node the node. May be null.
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120 | * @return true if this way contains the node <code>node</code>, false
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121 | * otherwise
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122 | * @since 1911
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123 | */
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124 | public boolean containsNode(Node node) {
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125 | return node != null && Arrays.asList(nodes).contains(node);
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126 | }
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127 |
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128 | /**
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129 | * Return nodes adjacent to <code>node</code>
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130 | *
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131 | * @param node the node. May be null.
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132 | * @return Set of nodes adjacent to <code>node</code>
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133 | * @since 4671
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134 | */
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135 | public Set<Node> getNeighbours(Node node) {
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136 | Set<Node> neigh = new HashSet<>();
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137 |
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138 | if (node == null) return neigh;
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139 |
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140 | for (int i = 0; i < nodes.length; i++) {
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141 | if (nodes[i].equals(node)) {
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142 | if (i > 0)
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143 | neigh.add(nodes[i-1]);
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144 | if (i < nodes.length-1)
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145 | neigh.add(nodes[i+1]);
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146 | }
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147 | }
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148 | return neigh;
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149 | }
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150 |
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151 | /**
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152 | * Replies the ordered {@link List} of chunks of this way. Each chunk is replied as a {@link Pair} of {@link Node nodes}.
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153 | * @param sort If true, the nodes of each pair are sorted as defined by {@link Pair#sort}.
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154 | * If false, Pair.a and Pair.b are in the way order
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155 | * (i.e for a given Pair(n), Pair(n-1).b == Pair(n).a, Pair(n).b == Pair(n+1).a, etc.)
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156 | * @return The ordered list of chunks of this way.
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157 | * @since 3348
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158 | */
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159 | public List<Pair<Node, Node>> getNodePairs(boolean sort) {
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160 | // For a way of size n, there are n - 1 pairs (a -> b, b -> c, c -> d, etc., 4 nodes -> 3 pairs)
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161 | List<Pair<Node, Node>> chunkSet = new ArrayList<>(Math.max(0, this.getNodesCount() - 1));
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162 | if (isIncomplete()) return chunkSet;
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163 | Node lastN = null;
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164 | for (Node n : nodes) {
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165 | if (lastN == null) {
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166 | lastN = n;
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167 | continue;
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168 | }
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169 | Pair<Node, Node> np = new Pair<>(lastN, n);
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170 | if (sort) {
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171 | Pair.sort(np);
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172 | }
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173 | chunkSet.add(np);
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174 | lastN = n;
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175 | }
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176 | return chunkSet;
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177 | }
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178 |
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179 | @Override public void accept(OsmPrimitiveVisitor visitor) {
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180 | visitor.visit(this);
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181 | }
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182 |
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183 | @Override public void accept(PrimitiveVisitor visitor) {
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184 | visitor.visit(this);
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185 | }
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186 |
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187 | Way(long id, boolean allowNegative) {
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188 | super(id, allowNegative);
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189 | }
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190 |
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191 | /**
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192 | * Constructs a new {@code Way} with id 0.
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193 | * @since 86
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194 | */
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195 | public Way() {
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196 | super(0, false);
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197 | }
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198 |
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199 | /**
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200 | * Constructs a new {@code Way} from an existing {@code Way}.
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201 | * This adds links from all way nodes to the clone. See #19885 for possible memory leaks.
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202 | * @param original The original {@code Way} to be identically cloned. Must not be null
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203 | * @param clearMetadata If {@code true}, clears the OSM id and other metadata as defined by {@link #clearOsmMetadata}.
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204 | * If {@code false}, does nothing
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205 | * @param copyNodes whether to copy nodes too
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206 | * @since 16212
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207 | */
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208 | public Way(Way original, boolean clearMetadata, boolean copyNodes) {
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209 | super(original.getUniqueId(), true);
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210 | cloneFrom(original, copyNodes);
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211 | if (clearMetadata) {
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212 | clearOsmMetadata();
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213 | }
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214 | }
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215 |
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216 | /**
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217 | * Constructs a new {@code Way} from an existing {@code Way}.
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218 | * This adds links from all way nodes to the clone. See #19885 for possible memory leaks.
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219 | * @param original The original {@code Way} to be identically cloned. Must not be null
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220 | * @param clearMetadata If {@code true}, clears the OSM id and other metadata as defined by {@link #clearOsmMetadata}.
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221 | * If {@code false}, does nothing
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222 | * @since 2410
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223 | */
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224 | public Way(Way original, boolean clearMetadata) {
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225 | this(original, clearMetadata, true);
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226 | }
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227 |
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228 | /**
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229 | * Constructs a new {@code Way} from an existing {@code Way} (including its id).
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230 | * This adds links from all way nodes to the clone. See #19885 for possible memory leaks.
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231 | * @param original The original {@code Way} to be identically cloned. Must not be null
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232 | * @since 86
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233 | */
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234 | public Way(Way original) {
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235 | this(original, false);
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236 | }
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237 |
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238 | /**
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239 | * Constructs a new {@code Way} for the given id. If the id > 0, the way is marked
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240 | * as incomplete. If id == 0 then way is marked as new
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241 | *
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242 | * @param id the id. >= 0 required
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243 | * @throws IllegalArgumentException if id < 0
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244 | * @since 343
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245 | */
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246 | public Way(long id) {
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247 | super(id, false);
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248 | }
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249 |
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250 | /**
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251 | * Constructs a new {@code Way} with given id and version.
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252 | * @param id the id. >= 0 required
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253 | * @param version the version
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254 | * @throws IllegalArgumentException if id < 0
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255 | * @since 2620
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256 | */
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257 | public Way(long id, int version) {
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258 | super(id, version, false);
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259 | }
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260 |
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261 | @Override
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262 | public void load(PrimitiveData data) {
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263 | if (!(data instanceof WayData))
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264 | throw new IllegalArgumentException("Not a way data: " + data);
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265 | boolean locked = writeLock();
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266 | try {
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267 | super.load(data);
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268 |
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269 | List<Long> nodeIds = ((WayData) data).getNodeIds();
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270 |
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271 | if (!nodeIds.isEmpty() && getDataSet() == null) {
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272 | throw new AssertionError("Data consistency problem - way without dataset detected");
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273 | }
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274 |
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275 | List<Node> newNodes = new ArrayList<>(nodeIds.size());
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276 | for (Long nodeId : nodeIds) {
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277 | Node node = (Node) getDataSet().getPrimitiveById(nodeId, OsmPrimitiveType.NODE);
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278 | if (node != null) {
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279 | newNodes.add(node);
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280 | } else {
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281 | throw new AssertionError("Data consistency problem - way with missing node detected");
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282 | }
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283 | }
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284 | setNodes(newNodes);
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285 | } finally {
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286 | writeUnlock(locked);
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287 | }
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288 | }
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289 |
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290 | @Override
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291 | public WayData save() {
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292 | WayData data = new WayData();
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293 | saveCommonAttributes(data);
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294 | for (Node node:nodes) {
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295 | data.getNodeIds().add(node.getUniqueId());
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296 | }
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297 | return data;
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298 | }
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299 |
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300 | @Override
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301 | public void cloneFrom(OsmPrimitive osm, boolean copyNodes) {
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302 | if (!(osm instanceof Way))
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303 | throw new IllegalArgumentException("Not a way: " + osm);
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304 | boolean locked = writeLock();
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305 | try {
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306 | super.cloneFrom(osm, copyNodes);
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307 | if (copyNodes) {
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308 | setNodes(((Way) osm).getNodes());
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309 | }
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310 | } finally {
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311 | writeUnlock(locked);
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312 | }
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313 | }
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314 |
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315 | @Override
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316 | public String toString() {
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317 | String nodesDesc = isIncomplete() ? "(incomplete)" : ("nodes=" + Arrays.toString(nodes));
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318 | return "{Way id=" + getUniqueId() + " version=" + getVersion()+ ' ' + getFlagsAsString() + ' ' + nodesDesc + '}';
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319 | }
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320 |
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321 | @Override
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322 | public boolean hasEqualSemanticAttributes(OsmPrimitive other, boolean testInterestingTagsOnly) {
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323 | if (!(other instanceof Way))
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324 | return false;
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325 | Way w = (Way) other;
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326 | if (getNodesCount() != w.getNodesCount()) return false;
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327 | if (!super.hasEqualSemanticAttributes(other, testInterestingTagsOnly))
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328 | return false;
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329 | return IntStream.range(0, getNodesCount())
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330 | .allMatch(i -> getNode(i).hasEqualSemanticAttributes(w.getNode(i)));
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331 | }
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332 |
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333 | /**
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334 | * Removes the given {@link Node} from this way. Ignored, if n is null.
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335 | * @param n The node to remove. Ignored, if null
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336 | * @since 1463
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337 | */
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338 | public void removeNode(Node n) {
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339 | checkDatasetNotReadOnly();
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340 | if (n == null || isIncomplete()) return;
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341 | boolean locked = writeLock();
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342 | try {
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343 | boolean closed = lastNode() == n && firstNode() == n;
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344 | int i;
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345 | List<Node> copy = getNodes();
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346 | while ((i = copy.indexOf(n)) >= 0) {
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347 | copy.remove(i);
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348 | }
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349 | i = copy.size();
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350 | if (closed && i > 2) {
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351 | copy.add(copy.get(0));
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352 | } else if (i >= 2 && i <= 3 && copy.get(0) == copy.get(i-1)) {
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353 | copy.remove(i-1);
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354 | }
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355 | setNodes(removeDouble(copy));
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356 | n.clearCachedStyle();
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357 | } finally {
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358 | writeUnlock(locked);
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359 | }
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360 | }
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361 |
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362 | /**
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363 | * Removes the given set of {@link Node nodes} from this way. Ignored, if selection is null.
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364 | * @param selection The selection of nodes to remove. Ignored, if null
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365 | * @since 5408
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366 | */
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367 | public void removeNodes(Set<? extends Node> selection) {
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368 | checkDatasetNotReadOnly();
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369 | if (selection == null || isIncomplete()) return;
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370 | boolean locked = writeLock();
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371 | try {
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372 | setNodes(calculateRemoveNodes(selection));
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373 | for (Node n : selection) {
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374 | n.clearCachedStyle();
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375 | }
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376 | } finally {
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377 | writeUnlock(locked);
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378 | }
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379 | }
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380 |
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381 | /**
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382 | * Calculate the remaining nodes after a removal of the given set of {@link Node nodes} from this way.
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383 | * @param selection The selection of nodes to remove. Ignored, if null
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384 | * @return result of the removal, can be empty
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385 | * @since 17102
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386 | */
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387 | public List<Node> calculateRemoveNodes(Set<? extends Node> selection) {
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388 | if (selection == null || isIncomplete())
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389 | return getNodes();
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390 | boolean closed = isClosed() && selection.contains(lastNode());
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391 | List<Node> copy = Arrays.stream(nodes)
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392 | .filter(n -> !selection.contains(n))
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393 | .collect(Collectors.toList());
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394 |
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395 | int i = copy.size();
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396 | if (closed && i > 2) {
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397 | copy.add(copy.get(0));
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398 | } else if (i >= 2 && i <= 3 && copy.get(0) == copy.get(i-1)) {
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399 | copy.remove(i-1);
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400 | }
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401 | return removeDouble(copy);
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402 | }
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403 |
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404 | /**
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405 | * Adds a node to the end of the list of nodes. Ignored, if n is null.
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406 | *
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407 | * @param n the node. Ignored, if null
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408 | * @throws IllegalStateException if this way is marked as incomplete. We can't add a node
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409 | * to an incomplete way
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410 | * @since 1313
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411 | */
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412 | public void addNode(Node n) {
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413 | checkDatasetNotReadOnly();
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414 | if (n == null) return;
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415 |
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416 | boolean locked = writeLock();
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417 | try {
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418 | if (isIncomplete())
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419 | throw new IllegalStateException(tr("Cannot add node {0} to incomplete way {1}.", n.getId(), getId()));
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420 | clearCachedStyle();
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421 | n.addReferrer(this);
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422 | nodes = Utils.addInArrayCopy(nodes, n);
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423 | n.clearCachedStyle();
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424 | fireNodesChanged();
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425 | } finally {
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426 | writeUnlock(locked);
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427 | }
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428 | }
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429 |
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430 | /**
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431 | * Adds a node at position offs.
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432 | *
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433 | * @param offs the offset
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434 | * @param n the node. Ignored, if null.
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435 | * @throws IllegalStateException if this way is marked as incomplete. We can't add a node
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436 | * to an incomplete way
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437 | * @throws IndexOutOfBoundsException if offs is out of bounds
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438 | * @since 1313
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439 | */
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440 | public void addNode(int offs, Node n) {
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441 | checkDatasetNotReadOnly();
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442 | if (n == null) return;
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443 |
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444 | boolean locked = writeLock();
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445 | try {
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446 | if (isIncomplete())
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447 | throw new IllegalStateException(tr("Cannot add node {0} to incomplete way {1}.", n.getId(), getId()));
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448 |
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449 | clearCachedStyle();
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450 | n.addReferrer(this);
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451 | Node[] newNodes = new Node[nodes.length + 1];
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452 | System.arraycopy(nodes, 0, newNodes, 0, offs);
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453 | System.arraycopy(nodes, offs, newNodes, offs + 1, nodes.length - offs);
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454 | newNodes[offs] = n;
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455 | nodes = newNodes;
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456 | n.clearCachedStyle();
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457 | fireNodesChanged();
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458 | } finally {
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459 | writeUnlock(locked);
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460 | }
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461 | }
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462 |
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463 | @Override
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464 | public void setDeleted(boolean deleted) {
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465 | boolean locked = writeLock();
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466 | try {
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467 | for (Node n:nodes) {
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468 | if (deleted) {
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469 | n.removeReferrer(this);
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470 | } else {
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471 | n.addReferrer(this);
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472 | }
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473 | n.clearCachedStyle();
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474 | }
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475 | fireNodesChanged();
|
---|
476 | super.setDeleted(deleted);
|
---|
477 | } finally {
|
---|
478 | writeUnlock(locked);
|
---|
479 | }
|
---|
480 | }
|
---|
481 |
|
---|
482 | @Override
|
---|
483 | public boolean isClosed() {
|
---|
484 | if (isIncomplete()) return false;
|
---|
485 |
|
---|
486 | return nodes.length >= 3 && nodes[nodes.length-1] == nodes[0];
|
---|
487 | }
|
---|
488 |
|
---|
489 | /**
|
---|
490 | * Determines if this way denotes an area (closed way with at least three distinct nodes).
|
---|
491 | * @return {@code true} if this way is closed and contains at least three distinct nodes
|
---|
492 | * @see #isClosed
|
---|
493 | * @since 5490
|
---|
494 | */
|
---|
495 | public boolean isArea() {
|
---|
496 | if (this.nodes.length >= 4 && isClosed()) {
|
---|
497 | Node distinctNode = null;
|
---|
498 | for (int i = 1; i < nodes.length-1; i++) {
|
---|
499 | if (distinctNode == null && nodes[i] != nodes[0]) {
|
---|
500 | distinctNode = nodes[i];
|
---|
501 | } else if (distinctNode != null && nodes[i] != nodes[0] && nodes[i] != distinctNode) {
|
---|
502 | return true;
|
---|
503 | }
|
---|
504 | }
|
---|
505 | }
|
---|
506 | return false;
|
---|
507 | }
|
---|
508 |
|
---|
509 | @Override
|
---|
510 | public Node lastNode() {
|
---|
511 | if (isIncomplete() || nodes.length == 0) return null;
|
---|
512 | return nodes[nodes.length-1];
|
---|
513 | }
|
---|
514 |
|
---|
515 | @Override
|
---|
516 | public Node firstNode() {
|
---|
517 | if (isIncomplete() || nodes.length == 0) return null;
|
---|
518 | return nodes[0];
|
---|
519 | }
|
---|
520 |
|
---|
521 | @Override
|
---|
522 | public boolean isFirstLastNode(INode n) {
|
---|
523 | if (isIncomplete() || nodes.length == 0) return false;
|
---|
524 | return n == nodes[0] || n == nodes[nodes.length -1];
|
---|
525 | }
|
---|
526 |
|
---|
527 | @Override
|
---|
528 | public boolean isInnerNode(INode n) {
|
---|
529 | if (isIncomplete() || nodes.length <= 2) return false;
|
---|
530 | /* circular ways have only inner nodes, so return true for them! */
|
---|
531 | if (n == nodes[0] && n == nodes[nodes.length-1]) return true;
|
---|
532 | return IntStream.range(1, nodes.length - 1)
|
---|
533 | .anyMatch(i -> nodes[i] == n);
|
---|
534 | }
|
---|
535 |
|
---|
536 | @Override
|
---|
537 | public OsmPrimitiveType getType() {
|
---|
538 | return OsmPrimitiveType.WAY;
|
---|
539 | }
|
---|
540 |
|
---|
541 | @Override
|
---|
542 | public OsmPrimitiveType getDisplayType() {
|
---|
543 | return isClosed() ? OsmPrimitiveType.CLOSEDWAY : OsmPrimitiveType.WAY;
|
---|
544 | }
|
---|
545 |
|
---|
546 | private void checkNodes() {
|
---|
547 | DataSet dataSet = getDataSet();
|
---|
548 | if (dataSet != null) {
|
---|
549 | for (Node n: nodes) {
|
---|
550 | if (n.getDataSet() != dataSet)
|
---|
551 | throw new DataIntegrityProblemException("Nodes in way must be in the same dataset",
|
---|
552 | tr("Nodes in way must be in the same dataset"));
|
---|
553 | if (n.isDeleted())
|
---|
554 | throw new DataIntegrityProblemException("Deleted node referenced: " + toString(),
|
---|
555 | "<html>" + tr("Deleted node referenced by {0}",
|
---|
556 | DefaultNameFormatter.getInstance().formatAsHtmlUnorderedList(this)) + "</html>",
|
---|
557 | this, n);
|
---|
558 | }
|
---|
559 | if (Config.getPref().getBoolean("debug.checkNullCoor", true)) {
|
---|
560 | for (Node n: nodes) {
|
---|
561 | if (n.isVisible() && !n.isIncomplete() && !n.isLatLonKnown())
|
---|
562 | throw new DataIntegrityProblemException("Complete visible node with null coordinates: " + toString(),
|
---|
563 | "<html>" + tr("Complete node {0} with null coordinates in way {1}",
|
---|
564 | DefaultNameFormatter.getInstance().formatAsHtmlUnorderedList(n),
|
---|
565 | DefaultNameFormatter.getInstance().formatAsHtmlUnorderedList(this)) + "</html>",
|
---|
566 | this, n);
|
---|
567 | }
|
---|
568 | }
|
---|
569 | }
|
---|
570 | }
|
---|
571 |
|
---|
572 | private void fireNodesChanged() {
|
---|
573 | checkNodes();
|
---|
574 | if (getDataSet() != null) {
|
---|
575 | getDataSet().fireWayNodesChanged(this);
|
---|
576 | }
|
---|
577 | }
|
---|
578 |
|
---|
579 | @Override
|
---|
580 | void setDataset(DataSet dataSet) {
|
---|
581 | super.setDataset(dataSet);
|
---|
582 | checkNodes();
|
---|
583 | }
|
---|
584 |
|
---|
585 | @Override
|
---|
586 | public BBox getBBox() {
|
---|
587 | if (getDataSet() == null)
|
---|
588 | return new BBox(this);
|
---|
589 | if (bbox == null) {
|
---|
590 | setBBox(new BBox(this));
|
---|
591 | }
|
---|
592 | return bbox;
|
---|
593 | }
|
---|
594 |
|
---|
595 | @Override
|
---|
596 | protected void addToBBox(BBox box, Set<PrimitiveId> visited) {
|
---|
597 | box.add(getBBox());
|
---|
598 | }
|
---|
599 |
|
---|
600 | private void setBBox(BBox bbox) {
|
---|
601 | this.bbox = bbox == null ? null : bbox.toImmutable();
|
---|
602 | }
|
---|
603 |
|
---|
604 | @Override
|
---|
605 | public void updatePosition() {
|
---|
606 | setBBox(new BBox(this));
|
---|
607 | clearCachedStyle();
|
---|
608 | }
|
---|
609 |
|
---|
610 | @Override
|
---|
611 | public boolean hasIncompleteNodes() {
|
---|
612 | /*
|
---|
613 | * Ideally, we would store this as a flag, but a node may become
|
---|
614 | * incomplete under some circumstances without being able to notify the
|
---|
615 | * way to recalculate the flag.
|
---|
616 | *
|
---|
617 | * When profiling #20716 on Mesa County, CO (overpass download), the
|
---|
618 | * Arrays.stream method was fairly expensive. When switching to the for
|
---|
619 | * loop, the CPU samples for hasIncompleteNodes went from ~150k samples
|
---|
620 | * to ~8.5k samples (94% improvement) and the memory allocations for
|
---|
621 | * hasIncompleteNodes went from ~15.6 GB to 0.
|
---|
622 | */
|
---|
623 | for (Node node : nodes) {
|
---|
624 | if (node.isIncomplete()) {
|
---|
625 | return true;
|
---|
626 | }
|
---|
627 | }
|
---|
628 | return false;
|
---|
629 | }
|
---|
630 |
|
---|
631 | /**
|
---|
632 | * Replies true if all nodes of the way have known lat/lon, false otherwise.
|
---|
633 | * @return true if all nodes of the way have known lat/lon, false otherwise
|
---|
634 | * @since 13033
|
---|
635 | */
|
---|
636 | public boolean hasOnlyLocatableNodes() {
|
---|
637 | // This is used in various places, some of which are on the UI thread.
|
---|
638 | // If this is called many times, the memory allocations can become prohibitive, if
|
---|
639 | // we use Java streams.
|
---|
640 | // This can be easily tested by loading a large amount of ways into JOSM, and then
|
---|
641 | // selecting everything.
|
---|
642 | for (Node node : nodes) {
|
---|
643 | if (!node.isLatLonKnown()) {
|
---|
644 | return false;
|
---|
645 | }
|
---|
646 | }
|
---|
647 | return true;
|
---|
648 | }
|
---|
649 |
|
---|
650 | @Override
|
---|
651 | public boolean isUsable() {
|
---|
652 | return super.isUsable() && !hasIncompleteNodes();
|
---|
653 | }
|
---|
654 |
|
---|
655 | @Override
|
---|
656 | public boolean isDrawable() {
|
---|
657 | return super.isDrawable() && hasOnlyLocatableNodes();
|
---|
658 | }
|
---|
659 |
|
---|
660 | /**
|
---|
661 | * Replies the length of the way, in metres, as computed by {@link ILatLon#greatCircleDistance}.
|
---|
662 | * @return The length of the way, in metres
|
---|
663 | * @since 4138
|
---|
664 | */
|
---|
665 | public double getLength() {
|
---|
666 | double length = 0;
|
---|
667 | Node lastN = null;
|
---|
668 | for (Node n:nodes) {
|
---|
669 | if (lastN != null && lastN.isLatLonKnown() && n.isLatLonKnown()) {
|
---|
670 | length += n.greatCircleDistance(lastN);
|
---|
671 | }
|
---|
672 | lastN = n;
|
---|
673 | }
|
---|
674 | return length;
|
---|
675 | }
|
---|
676 |
|
---|
677 | /**
|
---|
678 | * Replies the segment lengths of the way as computed by {@link ILatLon#greatCircleDistance}.
|
---|
679 | *
|
---|
680 | * @return The segment lengths of a way in metres, following way direction
|
---|
681 | * @since 18553
|
---|
682 | */
|
---|
683 | public double[] getSegmentLengths() {
|
---|
684 | return this.segmentLengths().toArray();
|
---|
685 | }
|
---|
686 |
|
---|
687 | /**
|
---|
688 | * Replies the length of the longest segment of the way, in metres, as computed by {@link ILatLon#greatCircleDistance}.
|
---|
689 | * @return The length of the segment, in metres
|
---|
690 | * @since 8320
|
---|
691 | */
|
---|
692 | public double getLongestSegmentLength() {
|
---|
693 | return this.segmentLengths().max().orElse(0);
|
---|
694 | }
|
---|
695 |
|
---|
696 | /**
|
---|
697 | * Get the segment lengths as a stream
|
---|
698 | * @return The stream of segment lengths (ordered)
|
---|
699 | */
|
---|
700 | private DoubleStream segmentLengths() {
|
---|
701 | DoubleStream.Builder builder = DoubleStream.builder();
|
---|
702 | Node lastN = null;
|
---|
703 | for (Node n : nodes) {
|
---|
704 | if (lastN != null && n.isLatLonKnown() && lastN.isLatLonKnown()) {
|
---|
705 | double distance = n.greatCircleDistance(lastN);
|
---|
706 | builder.accept(distance);
|
---|
707 | }
|
---|
708 | lastN = n;
|
---|
709 | }
|
---|
710 | return builder.build();
|
---|
711 | }
|
---|
712 |
|
---|
713 | /**
|
---|
714 | * Tests if this way is a oneway.
|
---|
715 | * @return {@code 1} if the way is a oneway,
|
---|
716 | * {@code -1} if the way is a reversed oneway,
|
---|
717 | * {@code 0} otherwise.
|
---|
718 | * @since 5199
|
---|
719 | */
|
---|
720 | public int isOneway() {
|
---|
721 | String oneway = get("oneway");
|
---|
722 | if (oneway != null) {
|
---|
723 | if ("-1".equals(oneway)) {
|
---|
724 | return -1;
|
---|
725 | } else {
|
---|
726 | Boolean isOneway = OsmUtils.getOsmBoolean(oneway);
|
---|
727 | if (isOneway != null && isOneway) {
|
---|
728 | return 1;
|
---|
729 | }
|
---|
730 | }
|
---|
731 | }
|
---|
732 | return 0;
|
---|
733 | }
|
---|
734 |
|
---|
735 | /**
|
---|
736 | * Replies the first node of this way, respecting or not its oneway state.
|
---|
737 | * @param respectOneway If true and if this way is a reversed oneway, replies the last node. Otherwise, replies the first node.
|
---|
738 | * @return the first node of this way, according to {@code respectOneway} and its oneway state.
|
---|
739 | * @since 5199
|
---|
740 | */
|
---|
741 | public Node firstNode(boolean respectOneway) {
|
---|
742 | return !respectOneway || isOneway() != -1 ? firstNode() : lastNode();
|
---|
743 | }
|
---|
744 |
|
---|
745 | /**
|
---|
746 | * Replies the last node of this way, respecting or not its oneway state.
|
---|
747 | * @param respectOneway If true and if this way is a reversed oneway, replies the first node. Otherwise, replies the last node.
|
---|
748 | * @return the last node of this way, according to {@code respectOneway} and its oneway state.
|
---|
749 | * @since 5199
|
---|
750 | */
|
---|
751 | public Node lastNode(boolean respectOneway) {
|
---|
752 | return !respectOneway || isOneway() != -1 ? lastNode() : firstNode();
|
---|
753 | }
|
---|
754 |
|
---|
755 | @Override
|
---|
756 | public boolean concernsArea() {
|
---|
757 | return hasAreaTags();
|
---|
758 | }
|
---|
759 |
|
---|
760 | @Override
|
---|
761 | public boolean isOutsideDownloadArea() {
|
---|
762 | return Arrays.stream(nodes).anyMatch(Node::isOutsideDownloadArea);
|
---|
763 | }
|
---|
764 |
|
---|
765 | @Override
|
---|
766 | protected void keysChangedImpl(Map<String, String> originalKeys) {
|
---|
767 | super.keysChangedImpl(originalKeys);
|
---|
768 | clearCachedNodeStyles();
|
---|
769 | }
|
---|
770 |
|
---|
771 | /**
|
---|
772 | * Clears all cached styles for all nodes of this way. This should not be called from outside.
|
---|
773 | * @see Node#clearCachedStyle()
|
---|
774 | */
|
---|
775 | public void clearCachedNodeStyles() {
|
---|
776 | for (final Node n : nodes) {
|
---|
777 | n.clearCachedStyle();
|
---|
778 | }
|
---|
779 | }
|
---|
780 |
|
---|
781 | /**
|
---|
782 | * Returns angles of vertices.
|
---|
783 | * @return angles of the way
|
---|
784 | * @since 13670
|
---|
785 | */
|
---|
786 | public synchronized List<Pair<Double, Node>> getAngles() {
|
---|
787 | List<Pair<Double, Node>> angles = new ArrayList<>();
|
---|
788 |
|
---|
789 | for (int i = 1; i < nodes.length - 1; i++) {
|
---|
790 | Node n0 = nodes[i - 1];
|
---|
791 | Node n1 = nodes[i];
|
---|
792 | Node n2 = nodes[i + 1];
|
---|
793 |
|
---|
794 | double angle = Geometry.getNormalizedAngleInDegrees(Geometry.getCornerAngle(
|
---|
795 | n0.getEastNorth(), n1.getEastNorth(), n2.getEastNorth()));
|
---|
796 | angles.add(new Pair<>(angle, n1));
|
---|
797 | }
|
---|
798 |
|
---|
799 | angles.add(new Pair<>(Geometry.getNormalizedAngleInDegrees(Geometry.getCornerAngle(
|
---|
800 | nodes[nodes.length - 2].getEastNorth(),
|
---|
801 | nodes[0].getEastNorth(),
|
---|
802 | nodes[1].getEastNorth())), nodes[0]));
|
---|
803 |
|
---|
804 | return angles;
|
---|
805 | }
|
---|
806 |
|
---|
807 | @Override
|
---|
808 | public UniqueIdGenerator getIdGenerator() {
|
---|
809 | return idGenerator;
|
---|
810 | }
|
---|
811 | }
|
---|