Esempio n. 1
0
    private RouteSegment loadRouteSegment(
        int x31,
        int y31,
        RoutingContext ctx,
        TLongObjectHashMap<RouteDataObject> excludeDuplications,
        RouteSegment original) {
      if (searchResult == null && routes == null) {
        return original;
      }
      access++;
      if (searchResult == null) {
        long l = (((long) x31) << 31) + (long) y31;
        RouteSegment segment = routes.get(l);
        while (segment != null) {
          RouteDataObject ro = segment.road;
          RouteDataObject toCmp =
              excludeDuplications.get(calcRouteId(ro, segment.getSegmentStart()));
          if (toCmp == null || toCmp.getPointsLength() < ro.getPointsLength()) {
            excludeDuplications.put(calcRouteId(ro, segment.getSegmentStart()), ro);
            RouteSegment s = new RouteSegment(ro, segment.getSegmentStart());
            s.next = original;
            original = s;
          }
          segment = segment.next;
        }
        return original;
      }
      // Native use case
      long nanoTime = System.nanoTime();
      RouteDataObject[] res = ctx.nativeLib.getDataObjects(searchResult, x31, y31);
      ctx.timeToLoad += (System.nanoTime() - nanoTime);
      if (res != null) {
        for (RouteDataObject ro : res) {

          boolean accept = ro != null;
          if (ctx != null) {
            accept = ctx.getRouter().acceptLine(ro);
          }
          if (accept) {
            for (int i = 0; i < ro.pointsX.length; i++) {
              if (ro.getPoint31XTile(i) == x31 && ro.getPoint31YTile(i) == y31) {
                RouteDataObject toCmp = excludeDuplications.get(calcRouteId(ro, i));
                if (toCmp == null || toCmp.getPointsLength() < ro.getPointsLength()) {
                  RouteSegment segment = new RouteSegment(ro, i);
                  segment.next = original;
                  original = segment;
                  excludeDuplications.put(calcRouteId(ro, i), ro);
                }
              }
            }
          }
        }
      }
      return original;
    }
Esempio n. 2
0
  @Override
  public void addWordVector(String word, Vector vector) {
    long l = md5Encode(word);

    if (vectors.containsKey(l)) {
      logger.error(
          "Warning: collision while reading matrix. The word "
              + word
              + " collides with "
              + String.valueOf(words.get(l)));
    }

    vectors.put(l, vector);
    words.put(l, word.toCharArray());
  }
 private void remove(long id, int index, TLongObjectHashMap<TIntArrayList> map) {
   TIntArrayList list = map.get(id);
   if (list == null) return;
   list.remove(index);
   if (list.size() == 0) map.remove(id);
 }
Esempio n. 4
0
  private RouteSegment processIntersectionsWithWays(
      RoutingContext ctx,
      PriorityQueue<RouteSegment> graphSegments,
      TLongObjectHashMap<RouteSegment> visitedSegments,
      TLongObjectHashMap<RouteSegment> oppositeSegments,
      double distOnRoadToPass,
      double distToFinalPoint,
      RouteSegment segment,
      BinaryMapDataObject road,
      boolean firstOfSegment,
      int segmentEnd,
      RouteSegment inputNext,
      boolean reverseWay) {

    // This variables can be in routing context
    // initialize temporary lists to calculate not forbidden ways at way intersections
    ArrayList<RouteSegment> segmentsToVisitPrescripted = new ArrayList<RouteSegment>(5);
    ArrayList<RouteSegment> segmentsToVisitNotForbidden = new ArrayList<RouteSegment>(5);
    // collect time for obstacles
    double obstaclesTime = 0;
    boolean exclusiveRestriction = false;

    // 3.1 calculate time for obstacles (bumps, traffic_signals, level_crossing)
    if (firstOfSegment) {
      RouteSegment possibleObstacle = inputNext;
      while (possibleObstacle != null) {
        obstaclesTime +=
            ctx.getRouter().defineObstacle(possibleObstacle.road, possibleObstacle.segmentStart);
        possibleObstacle = possibleObstacle.next;
      }
    }

    // 3.2 calculate possible ways to put into priority queue
    // for debug next.road.getId() >> 1 == 33911427 && road.getId() >> 1 == 33911442
    RouteSegment next = inputNext;
    while (next != null) {
      long nts = (next.road.getId() << 8l) + next.segmentStart;
      boolean oppositeConnectionFound =
          oppositeSegments.containsKey(nts) && oppositeSegments.get(nts) != null;

      boolean processRoad = true;
      if (ctx.isUseStrategyOfIncreasingRoadPriorities()) {
        double roadPriority = ctx.getRouter().getRoadPriorityHeuristicToIncrease(segment.road);
        double nextRoadPriority = ctx.getRouter().getRoadPriorityHeuristicToIncrease(segment.road);
        if (nextRoadPriority < roadPriority) {
          processRoad = false;
        }
      }

      /* next.road.getId() >> 1 (3) != road.getId() >> 1 (3) - used that line for debug with osm map */
      // road.id could be equal on roundabout, but we should accept them
      if ((!visitedSegments.contains(nts) && processRoad) || oppositeConnectionFound) {
        int type = -1;
        if (!reverseWay) {
          for (int i = 0; i < road.getRestrictionCount(); i++) {
            if (road.getRestriction(i) == next.road.getId()) {
              type = road.getRestrictionType(i);
              break;
            }
          }
        } else {
          for (int i = 0; i < next.road.getRestrictionCount(); i++) {
            if (next.road.getRestriction(i) == road.getId()) {
              type = next.road.getRestrictionType(i);
              break;
            }
            // Check if there is restriction only to the current road
            if (next.road.getRestrictionType(i) == MapRenderingTypes.RESTRICTION_ONLY_RIGHT_TURN
                || next.road.getRestrictionType(i) == MapRenderingTypes.RESTRICTION_ONLY_LEFT_TURN
                || next.road.getRestrictionType(i)
                    == MapRenderingTypes.RESTRICTION_ONLY_STRAIGHT_ON) {
              // check if that restriction applies to considered junk
              RouteSegment foundNext = inputNext;
              while (foundNext != null
                  && foundNext.getRoad().getId() != next.road.getRestriction(i)) {
                foundNext = foundNext.next;
              }
              if (foundNext != null) {
                type = REVERSE_WAY_RESTRICTION_ONLY; // special constant
              }
            }
          }
        }
        if (type == REVERSE_WAY_RESTRICTION_ONLY) {
          // next = next.next; continue;
        } else if (type == -1 && exclusiveRestriction) {
          // next = next.next; continue;
        } else if (type == MapRenderingTypes.RESTRICTION_NO_LEFT_TURN
            || type == MapRenderingTypes.RESTRICTION_NO_RIGHT_TURN
            || type == MapRenderingTypes.RESTRICTION_NO_STRAIGHT_ON
            || type == MapRenderingTypes.RESTRICTION_NO_U_TURN) {
          // next = next.next; continue;
        } else {
          // no restriction can go out
          if (oppositeConnectionFound) {
            RouteSegment oppSegment = oppositeSegments.get(nts);
            oppSegment.segmentEnd = next.segmentStart;
            return oppSegment;
          }

          double distanceToEnd = distToFinalPoint / ctx.getRouter().getMaxDefaultSpeed();
          if (ctx.isUseDynamicRoadPrioritising()) {
            double priority = ctx.getRouter().getRoadPriorityToCalculateRoute(next.road);
            distanceToEnd /= priority;
          }

          // Using A* routing algorithm
          // g(x) - calculate distance to that point and calculate time
          double speed = ctx.getRouter().defineSpeed(road);
          if (speed == 0) {
            speed = ctx.getRouter().getMinDefaultSpeed();
          }

          double distanceFromStart = segment.distanceFromStart + distOnRoadToPass / speed;
          // calculate turn time
          distanceFromStart += ctx.getRouter().calculateTurnTime(segment, next, segmentEnd);
          // add obstacles time
          distanceFromStart += obstaclesTime;

          // segment.getRoad().getId() >> 1
          if (next.parentRoute == null
              || ctx.roadPriorityComparator(
                      next.distanceFromStart, next.distanceToEnd, distanceFromStart, distanceToEnd)
                  > 0) {
            next.distanceFromStart = distanceFromStart;
            next.distanceToEnd = distanceToEnd;
            if (next.parentRoute != null) {
              // already in queue remove it
              graphSegments.remove(next);
            }
            // put additional information to recover whole route after
            next.parentRoute = segment;
            next.parentSegmentEnd = segmentEnd;
            if (type == -1) {
              // case no restriction
              segmentsToVisitNotForbidden.add(next);
            } else {
              // case exclusive restriction (only_right, only_straight, ...)
              // 1. in case we are going backward we should not consider only_restriction
              // as exclusive because we have main "in" roads and one "out"
              // 2. in case we are going forward we have one "in" and many "out"
              if (!reverseWay) {
                exclusiveRestriction = true;
                segmentsToVisitNotForbidden.clear();
                segmentsToVisitPrescripted.add(next);
              } else {
                segmentsToVisitNotForbidden.add(next);
              }
            }
          }
        }
      }
      next = next.next;
    }

    // add all allowed route segments to priority queue
    for (RouteSegment s : segmentsToVisitNotForbidden) {
      graphSegments.add(s);
    }
    for (RouteSegment s : segmentsToVisitPrescripted) {
      graphSegments.add(s);
    }
    return null;
  }
Esempio n. 5
0
  private RoutePair processRouteSegment(
      final RoutingContext ctx,
      RouteSegment end,
      boolean reverseWaySearch,
      PriorityQueue<RouteSegment> graphSegments,
      TLongObjectHashMap<RouteSegment> visitedSegments,
      int targetEndX,
      int targetEndY,
      RouteSegment segment,
      TLongObjectHashMap<RouteSegment> oppositeSegments)
      throws IOException {
    // Always start from segmentStart (!), not from segmentEnd
    // It makes difference only for the first start segment
    // Middle point will always be skipped from observation considering already visited
    final BinaryMapDataObject road = segment.road;
    final int middle = segment.segmentStart;
    int middlex = road.getPoint31XTile(middle);
    int middley = road.getPoint31YTile(middle);

    // 0. mark route segment as visited
    long nt = (road.getId() << 8l) + middle;
    // avoid empty segments to connect but mark the point as visited
    visitedSegments.put(nt, null);
    if (oppositeSegments.contains(nt) && oppositeSegments.get(nt) != null) {
      segment.segmentEnd = middle;
      RouteSegment opposite = oppositeSegments.get(nt);
      opposite.segmentEnd = middle;
      return new RoutePair(segment, opposite);
    }

    boolean oneway = ctx.getRouter().isOneWay(road);
    boolean minusAllowed = !oneway || reverseWaySearch;
    boolean plusAllowed = !oneway || !reverseWaySearch;

    // +/- diff from middle point
    int d = plusAllowed ? 1 : -1;
    // Go through all point of the way and find ways to continue
    // ! Actually there is small bug when there is restriction to move forward on way (it doesn't
    // take into account)
    while (minusAllowed || plusAllowed) {
      // 1. calculate point not equal to middle
      // (algorithm should visit all point on way if it is not oneway)
      int segmentEnd = middle + d;
      if (!minusAllowed && d > 0) {
        d++;
      } else if (!plusAllowed && d < 0) {
        d--;
      } else {
        if (d <= 0) {
          d = -d + 1;
        } else {
          d = -d;
        }
      }
      if (segmentEnd < 0) {
        minusAllowed = false;
        continue;
      }
      if (segmentEnd >= road.getPointsLength()) {
        plusAllowed = false;
        continue;
      }

      // if we found end point break cycle
      long nts = (road.getId() << 8l) + segmentEnd;
      if (oppositeSegments.contains(nts) && oppositeSegments.get(nt) != null) {
        segment.segmentEnd = segmentEnd;
        RouteSegment opposite = oppositeSegments.get(nts);
        opposite.segmentEnd = segmentEnd;
        return new RoutePair(segment, opposite);
      }
      visitedSegments.put(nts, segment);

      // 2. calculate point and try to load neighbor ways if they are not loaded
      int x = road.getPoint31XTile(segmentEnd);
      int y = road.getPoint31YTile(segmentEnd);
      loadRoutes(
          ctx,
          (x >> (31 - ctx.getZoomToLoadTileWithRoads())),
          (y >> (31 - ctx.getZoomToLoadTileWithRoads())));
      long l = (((long) x) << 31) + (long) y;
      RouteSegment next = ctx.routes.get(l);

      // 3. get intersected ways
      if (next != null) {
        double distOnRoadToPass = squareRootDist(x, y, middlex, middley);
        double distToFinalPoint = squareRootDist(x, y, targetEndX, targetEndY);
        RouteSegment foundIntersection =
            processIntersectionsWithWays(
                ctx,
                graphSegments,
                visitedSegments,
                oppositeSegments,
                distOnRoadToPass,
                distToFinalPoint,
                segment,
                road,
                d == 0,
                segmentEnd,
                next,
                reverseWaySearch);
        if (foundIntersection != null) {
          segment.segmentEnd = segmentEnd;
          return new RoutePair(segment, foundIntersection);
        }
      }
    }
    return null;
  }
Esempio n. 6
0
 @Override
 public Vector getVector(String word) {
   long l = md5Encode(word);
   if (!vectors.contains(l)) return null;
   return vectors.get(l);
 }
 private void readRouteTreeData(
     RouteSubregion routeTree,
     TLongArrayList idTables,
     TLongObjectHashMap<TLongArrayList> restrictions)
     throws IOException {
   routeTree.dataObjects = new ArrayList<RouteDataObject>();
   idTables.clear();
   restrictions.clear();
   List<String> stringTable = null;
   while (true) {
     int t = codedIS.readTag();
     int tag = WireFormat.getTagFieldNumber(t);
     switch (tag) {
       case 0:
         TLongObjectIterator<TLongArrayList> it = restrictions.iterator();
         while (it.hasNext()) {
           it.advance();
           int from = (int) it.key();
           RouteDataObject fromr = routeTree.dataObjects.get(from);
           fromr.restrictions = new long[it.value().size()];
           for (int k = 0; k < fromr.restrictions.length; k++) {
             int to = (int) (it.value().get(k) >> RouteDataObject.RESTRICTION_SHIFT);
             long valto =
                 (idTables.get(to) << RouteDataObject.RESTRICTION_SHIFT)
                     | ((long) it.value().get(k) & RouteDataObject.RESTRICTION_MASK);
             fromr.restrictions[k] = valto;
           }
         }
         for (RouteDataObject o : routeTree.dataObjects) {
           if (o != null) {
             if (o.id < idTables.size()) {
               o.id = idTables.get((int) o.id);
             }
             if (o.names != null && stringTable != null) {
               int[] keys = o.names.keys();
               for (int j = 0; j < keys.length; j++) {
                 o.names.put(keys[j], stringTable.get(o.names.get(keys[j]).charAt(0)));
               }
             }
           }
         }
         return;
       case RouteDataBlock.DATAOBJECTS_FIELD_NUMBER:
         int length = codedIS.readRawVarint32();
         int oldLimit = codedIS.pushLimit(length);
         RouteDataObject obj =
             readRouteDataObject(routeTree.routeReg, routeTree.left, routeTree.top);
         while (obj.id >= routeTree.dataObjects.size()) {
           routeTree.dataObjects.add(null);
         }
         routeTree.dataObjects.set((int) obj.id, obj);
         codedIS.popLimit(oldLimit);
         break;
       case RouteDataBlock.IDTABLE_FIELD_NUMBER:
         long routeId = 0;
         length = codedIS.readRawVarint32();
         oldLimit = codedIS.pushLimit(length);
         idLoop:
         while (true) {
           int ts = codedIS.readTag();
           int tags = WireFormat.getTagFieldNumber(ts);
           switch (tags) {
             case 0:
               break idLoop;
             case IdTable.ROUTEID_FIELD_NUMBER:
               routeId += codedIS.readSInt64();
               idTables.add(routeId);
               break;
             default:
               skipUnknownField(ts);
               break;
           }
         }
         codedIS.popLimit(oldLimit);
         break;
       case RouteDataBlock.RESTRICTIONS_FIELD_NUMBER:
         length = codedIS.readRawVarint32();
         oldLimit = codedIS.pushLimit(length);
         long from = 0;
         long to = 0;
         long type = 0;
         idLoop:
         while (true) {
           int ts = codedIS.readTag();
           int tags = WireFormat.getTagFieldNumber(ts);
           switch (tags) {
             case 0:
               break idLoop;
             case RestrictionData.FROM_FIELD_NUMBER:
               from = codedIS.readInt32();
               break;
             case RestrictionData.TO_FIELD_NUMBER:
               to = codedIS.readInt32();
               break;
             case RestrictionData.TYPE_FIELD_NUMBER:
               type = codedIS.readInt32();
               break;
             default:
               skipUnknownField(ts);
               break;
           }
         }
         if (!restrictions.containsKey(from)) {
           restrictions.put(from, new TLongArrayList());
         }
         restrictions.get(from).add((to << RouteDataObject.RESTRICTION_SHIFT) + type);
         codedIS.popLimit(oldLimit);
         break;
       case RouteDataBlock.STRINGTABLE_FIELD_NUMBER:
         length = codedIS.readRawVarint32();
         oldLimit = codedIS.pushLimit(length);
         stringTable = map.readStringTable();
         //				codedIS.skipRawBytes(codedIS.getBytesUntilLimit());
         codedIS.popLimit(oldLimit);
         break;
       default:
         skipUnknownField(t);
         break;
     }
   }
 }
Esempio n. 8
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 public K get(int key1, int key2) {
   long key = (((long) key1) << 32) | (((long) key2) & 0xFFFFFFFFL);
   return map.get(key);
 }