Examples of org.openstreetmap.josm.data.osm.DataSet

org.openstreetmap.josm.data.osm.DataSet
o something with dataset } finally { ds.getReadLock().unlock(); } Write lock should be used in case of bulk operations. In addition to ensuring that other threads can't use dataset in the middle of modifications it also stops sending of dataset events. That's good for performance reasons - GUI can be updated after all changes are done. Sample usage: ds.beginUpdate() try { // .. do modifications } finally { ds.endUpdate(); } Note that it is not necessary to call beginUpdate/endUpdate for every dataset modification - dataset will get locked automatically. Note that locks cannot be upgraded - if one threads use read lock and and then write lock, dead lock will occur - see #5814 for sample ticket @author imi

    setAlwaysOnTop(true);
    setResizable(false);
    iconTransparente = LogicConstants.getIcon("48x48_transparente");
    iconEnviando = LogicConstants.getIcon("anim_calculando");
    try {
      route = new OsmDataLayer(new DataSet(), "route",
          File.createTempFile("route", "route"));
    } catch (IOException e) {
      log.error(e.getMessage(), e);
    }
    setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);

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   */
  public final void removeLayer(final Layer layer) {
    if (map != null) {
      map.mapView.removeLayer(layer);
      if (layer instanceof OsmDataLayer)
        ds = new DataSet();
      if (map.mapView.getAllLayers().isEmpty())
        setMapFrame(null);
    }
  }

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  @Override
  protected DataSet getData() {
    if (activeLayer != null && activeLayer instanceof OsmDataLayer)
      return ((OsmDataLayer) activeLayer).data;
    return new DataSet();
  }

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          stops.data.add(new StopMarker(ll, array[2], "tsp_stop",
              stops, 0, 0, ls.color));
        }
        this.mapView.addLayer(stops, true);


        OsmDataLayer layer = new OsmDataLayer(new DataSet(),
            "Route Plan " + id_layer++, File.createTempFile(
                "planning", "route"));
        String way2 = plan.getWay();


        if (way2 != null) {

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     *      their associated nodes to point p.
     */
    private Map<Double, List<Node>> getNearestNodesImpl(Point p,
            Predicate<OsmPrimitive> predicate) {
        TreeMap<Double, List<Node>> nearestMap = new TreeMap<>();
        DataSet ds = getCurrentDataSet();


        if (ds != null) {
            double dist, snapDistanceSq = PROP_SNAP_DISTANCE.get();
            snapDistanceSq *= snapDistanceSq;


            for (Node n : ds.searchNodes(getBBox(p, PROP_SNAP_DISTANCE.get()))) {
                if (predicate.evaluate(n)
                        && (dist = getPoint2D(n).distanceSq(p)) < snapDistanceSq)
                {
                    List<Node> nlist;
                    if (nearestMap.containsKey(dist)) {

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     *      distance of their associated way segments to point p.
     */
    private Map<Double, List<WaySegment>> getNearestWaySegmentsImpl(Point p,
            Predicate<OsmPrimitive> predicate) {
        Map<Double, List<WaySegment>> nearestMap = new TreeMap<>();
        DataSet ds = getCurrentDataSet();


        if (ds != null) {
            double snapDistanceSq = Main.pref.getInteger("mappaint.segment.snap-distance", 10);
            snapDistanceSq *= snapDistanceSq;


            for (Way w : ds.searchWays(getBBox(p, Main.pref.getInteger("mappaint.segment.snap-distance", 10)))) {
                if (!predicate.evaluate(w)) {
                    continue;
                }
                Node lastN = null;
                int i = -2;

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     * @param predicate the returned object has to fulfill certain properties.
     * @param use_selected whether to prefer primitives that are currently selected or referred by selected primitives
     */
    public final OsmPrimitive getNearestNodeOrWay(Point p, Predicate<OsmPrimitive> predicate, boolean use_selected) {
        Collection<OsmPrimitive> sel;
        DataSet ds = getCurrentDataSet();
        if (use_selected && ds!=null) {
            sel = ds.getSelected();
        } else {
            sel = null;
        }
        OsmPrimitive osm = getNearestNode(p, predicate, use_selected, sel);

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        }
    }


    @Override
    protected void realRun() throws SAXException, IOException, OsmTransferException {
        this.ds = new DataSet();
        DataSet theirDataSet;
        try {
            synchronized(this) {
                if (canceled) return;
                multiObjectReader = new MultiFetchServerObjectReader();
            }

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        this.ids = ids;
        this.downloadReferrers = downloadReferrers;
        this.full = full;
        this.newLayer = newLayer;
        // All downloaded primitives are put in a tmpLayer
        tmpLayer = new OsmDataLayer(new DataSet(), OsmDataLayer.createNewName(), null);
    }

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                }
            });


        // Warm about deleted primitives
        final Set<PrimitiveId> del = new HashSet<>();
        DataSet ds = Main.main.getCurrentDataSet();
        for (PrimitiveId id : ids) {
            OsmPrimitive osm = ds.getPrimitiveById(id);
            if (osm != null && osm.isDeleted()) {
                del.add(id);
            }
        }
        if (!del.isEmpty())

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