public RouteSegment loadRouteSegment(int x31, int y31, int memoryLimit) {
long tileId = getRoutingTile(x31, y31, memoryLimit, OPTION_SMART_LOAD);
TLongObjectHashMap<RouteDataObject> excludeDuplications =
new TLongObjectHashMap<RouteDataObject>();
RouteSegment original = null;
if (tileRoutes.containsKey(tileId)) {
List<RouteDataObject> routes = tileRoutes.get(tileId);
if (routes != null) {
for (RouteDataObject ro : routes) {
for (int i = 0; i < ro.pointsX.length; i++) {
if (ro.getPoint31XTile(i) == x31 && ro.getPoint31YTile(i) == y31) {
excludeDuplications.put(calcRouteId(ro, i), ro);
RouteSegment segment = new RouteSegment(ro, i);
segment.next = original;
original = segment;
}
}
}
}
}
List<RoutingSubregionTile> subregions = indexedSubregions.get(tileId);
if (subregions != null) {
for (RoutingSubregionTile rs : subregions) {
original = rs.loadRouteSegment(x31, y31, this, excludeDuplications, original);
}
}
return original;
}
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;
}
public void add(RouteDataObject ro) {
tileStatistics.addObject(ro);
for (int i = 0; i < ro.pointsX.length; i++) {
int x31 = ro.getPoint31XTile(i);
int y31 = ro.getPoint31YTile(i);
long l = (((long) x31) << 31) + (long) y31;
RouteSegment segment = new RouteSegment(ro, i);
if (!routes.containsKey(l)) {
routes.put(l, segment);
} else {
RouteSegment orig = routes.get(l);
while (orig.next != null) {
orig = orig.next;
}
orig.next = segment;
}
}
}
public RoutingContext(RoutingContext cp) {
this.config = cp.config;
this.map.putAll(cp.map);
this.useBaseMap = cp.useBaseMap;
this.reverseMap.putAll(cp.reverseMap);
this.nativeLib = cp.nativeLib;
// copy local data and clear caches
for (RoutingSubregionTile tl : subregionTiles) {
if (tl.isLoaded()) {
subregionTiles.add(tl);
for (RouteSegment rs : tl.routes.valueCollection()) {
RouteSegment s = rs;
while (s != null) {
s.parentRoute = null;
s.parentSegmentEnd = 0;
s.distanceFromStart = 0;
s.distanceToEnd = 0;
s = s.next;
}
}
}
}
}
private List<RouteSegmentResult> convertFinalSegmentToResults(
RoutingContext ctx, FinalRouteSegment finalSegment) {
List<RouteSegmentResult> result = new ArrayList<RouteSegmentResult>();
if (finalSegment != null) {
ctx.routingTime = finalSegment.distanceFromStart;
println("Routing calculated time distance " + finalSegment.distanceFromStart);
// Get results from opposite direction roads
RouteSegment segment =
finalSegment.reverseWaySearch ? finalSegment : finalSegment.opposite.getParentRoute();
int parentSegmentStart =
finalSegment.reverseWaySearch
? finalSegment.opposite.getSegmentStart()
: finalSegment.opposite.getParentSegmentEnd();
while (segment != null) {
RouteSegmentResult res =
new RouteSegmentResult(segment.road, parentSegmentStart, segment.getSegmentStart());
parentSegmentStart = segment.getParentSegmentEnd();
segment = segment.getParentRoute();
addRouteSegmentToResult(result, res, false);
}
// reverse it just to attach good direction roads
Collections.reverse(result);
segment =
finalSegment.reverseWaySearch ? finalSegment.opposite.getParentRoute() : finalSegment;
int parentSegmentEnd =
finalSegment.reverseWaySearch
? finalSegment.opposite.getParentSegmentEnd()
: finalSegment.opposite.getSegmentStart();
while (segment != null) {
RouteSegmentResult res =
new RouteSegmentResult(segment.road, segment.getSegmentStart(), parentSegmentEnd);
parentSegmentEnd = segment.getParentSegmentEnd();
segment = segment.getParentRoute();
// happens in smart recalculation
addRouteSegmentToResult(result, res, true);
}
Collections.reverse(result);
}
return result;
}
private void attachRoadSegments(
RoutingContext ctx, List<RouteSegmentResult> result, int routeInd, int pointInd, boolean plus)
throws IOException {
RouteSegmentResult rr = result.get(routeInd);
RouteDataObject road = rr.getObject();
long nextL = pointInd < road.getPointsLength() - 1 ? getPoint(road, pointInd + 1) : 0;
long prevL = pointInd > 0 ? getPoint(road, pointInd - 1) : 0;
// attach additional roads to represent more information about the route
RouteSegmentResult previousResult = null;
// by default make same as this road id
long previousRoadId = road.getId();
if (pointInd == rr.getStartPointIndex() && routeInd > 0) {
previousResult = result.get(routeInd - 1);
previousRoadId = previousResult.getObject().getId();
if (previousRoadId != road.getId()) {
if (previousResult.getStartPointIndex() < previousResult.getEndPointIndex()
&& previousResult.getEndPointIndex()
< previousResult.getObject().getPointsLength() - 1) {
rr.attachRoute(
pointInd,
new RouteSegmentResult(
previousResult.getObject(),
previousResult.getEndPointIndex(),
previousResult.getObject().getPointsLength() - 1));
} else if (previousResult.getStartPointIndex() > previousResult.getEndPointIndex()
&& previousResult.getEndPointIndex() > 0) {
rr.attachRoute(
pointInd,
new RouteSegmentResult(
previousResult.getObject(), previousResult.getEndPointIndex(), 0));
}
}
}
Iterator<RouteSegment> it;
if (rr.getPreAttachedRoutes(pointInd) != null) {
final RouteSegmentResult[] list = rr.getPreAttachedRoutes(pointInd);
it =
new Iterator<BinaryRoutePlanner.RouteSegment>() {
int i = 0;
@Override
public boolean hasNext() {
return i < list.length;
}
@Override
public RouteSegment next() {
RouteSegmentResult r = list[i++];
return new RouteSegment(r.getObject(), r.getStartPointIndex());
}
@Override
public void remove() {}
};
} else {
RouteSegment rt =
ctx.loadRouteSegment(
road.getPoint31XTile(pointInd),
road.getPoint31YTile(pointInd),
ctx.config.memoryLimitation);
it = rt.getIterator();
}
// try to attach all segments except with current id
while (it.hasNext()) {
RouteSegment routeSegment = it.next();
if (routeSegment.road.getId() != road.getId()
&& routeSegment.road.getId() != previousRoadId) {
RouteDataObject addRoad = routeSegment.road;
checkAndInitRouteRegion(ctx, addRoad);
// TODO restrictions can be considered as well
int oneWay = ctx.getRouter().isOneWay(addRoad);
if (oneWay >= 0 && routeSegment.getSegmentStart() < addRoad.getPointsLength() - 1) {
long pointL = getPoint(addRoad, routeSegment.getSegmentStart() + 1);
if (pointL != nextL && pointL != prevL) {
// if way contains same segment (nodes) as different way (do not attach it)
rr.attachRoute(
pointInd,
new RouteSegmentResult(
addRoad, routeSegment.getSegmentStart(), addRoad.getPointsLength() - 1));
}
}
if (oneWay <= 0 && routeSegment.getSegmentStart() > 0) {
long pointL = getPoint(addRoad, routeSegment.getSegmentStart() - 1);
// if way contains same segment (nodes) as different way (do not attach it)
if (pointL != nextL && pointL != prevL) {
rr.attachRoute(
pointInd, new RouteSegmentResult(addRoad, routeSegment.getSegmentStart(), 0));
}
}
}
}
}