Example #1
0
 private Segment createSegmentFromEdges(long edgeId, long segmentId, boolean isEdgeOrigin) {
   double length = 0.0;
   Segment seg = null;
   try {
     List<Edge> subset = null;
     seg = db.ReadSegment(segmentId);
     ArrayList<Edge> edges = db.ReadEdges(segmentId);
     Edge edge = null;
     if (!edges.isEmpty()) {
       if (isEdgeOrigin) {
         edge =
             edges
                 .stream()
                 .filter(
                     (Edge e) -> {
                       return e.mOrigin == edgeId;
                     })
                 .findFirst()
                 .get();
       } else {
         edge =
             edges
                 .stream()
                 .filter(
                     (Edge e) -> {
                       return e.mDestination == edgeId;
                     })
                 .findFirst()
                 .get();
       }
       int index = edges.indexOf(edge);
       subset = edges.subList(index, edges.size());
       for (Edge ed : subset) {
         length = +ed.mLength;
       }
     }
     long origin, destination;
     origin = (isEdgeOrigin ? edgeId : seg.mOrigin);
     destination = (isEdgeOrigin ? seg.mDestination : edgeId);
     Segment s = new Segment(nextSegId++, length, seg.mWayId, origin, destination);
     return s;
   } catch (SQLException e) {
     System.err.println("Error getting segmentid from method modelNodeToSegment");
     e.printStackTrace();
   }
   return null;
 }
Example #2
0
 private ArrayList<FakeNode> getNeighbours(long id) {
   ArrayList<FakeNode> retNodes = new ArrayList<>();
   ArrayList<Segment> neighbours =
       this.segments
           .stream()
           .filter(
               (Segment s) -> {
                 return s.mOrigin == id;
               })
           .collect(Collectors.toCollection(ArrayList<Segment>::new));
   neighbours.addAll(
       this.fakeSegments
           .stream()
           .filter(
               (Segment s) -> {
                 return s.mOrigin == id;
               })
           .collect(Collectors.toCollection(ArrayList<Segment>::new)));
   FakeNode node;
   for (Segment s : neighbours) {
     if (fakeNodes.containsKey(s.mDestination)) {
       node = fakeNodes.get(s.mDestination);
     } else {
       node = new FakeNode(nodes.get(s.mDestination));
       fakeNodes.put(s.mDestination, node);
     }
     ArrayList<CostFunction> functions =
         costs
             .stream()
             .filter(
                 (CostFunction c) -> {
                   return c.getSegmentId() == s.mId;
                 })
             .collect(Collectors.toCollection(ArrayList<CostFunction>::new));
     functions.addAll(
         fakeCosts
             .stream()
             .filter(
                 (CostFunction c) -> {
                   return c.getSegmentId() == s.mId;
                 })
             .collect(Collectors.toCollection(ArrayList<CostFunction>::new)));
     node.node.cost = functions.get(0);
     retNodes.add(fakeNodes.get(s.mDestination));
   }
   return retNodes;
 }