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;
}
public int getCurrentlyLoadedTiles() {
int cnt = 0;
for (RoutingSubregionTile t : this.subregionTiles) {
if (t.isLoaded()) {
cnt++;
}
}
return cnt;
}
public void unloadAllData(RoutingContext except) {
for (RoutingSubregionTile tl : subregionTiles) {
if (tl.isLoaded()) {
if (except == null || except.searchSubregionTile(tl.subregion) < 0) {
tl.unload();
unloadedTiles++;
global.size -= tl.tileStatistics.size;
}
}
}
subregionTiles.clear();
tileRoutes.clear();
indexedSubregions.clear();
}
private void loadSubregionTile(final RoutingSubregionTile ts, boolean loadObjectsInMemory) {
boolean wasUnloaded = ts.isUnloaded();
int ucount = ts.getUnloadCont();
if (nativeLib == null) {
long now = System.nanoTime();
try {
BinaryMapIndexReader reader = reverseMap.get(ts.subregion.routeReg);
ts.setLoadedNonNative();
List<RouteDataObject> res = reader.loadRouteIndexData(ts.subregion);
// System.out.println(ts.subregion.shiftToData + " " + res);
for (RouteDataObject ro : res) {
if (ro != null && config.router.acceptLine(ro)) {
ts.add(ro);
}
}
} catch (IOException e) {
throw new RuntimeException("Loading data exception", e);
}
timeToLoad += (System.nanoTime() - now);
} else {
long now = System.nanoTime();
NativeRouteSearchResult ns = nativeLib.loadRouteRegion(ts.subregion, loadObjectsInMemory);
// System.out.println(ts.subregion.shiftToData + " " + Arrays.toString(ns.objects));
ts.setLoadedNative(ns, this);
timeToLoad += (System.nanoTime() - now);
}
loadedTiles++;
if (wasUnloaded) {
if (ucount == 1) {
loadedPrevUnloadedTiles++;
}
} else {
if (global != null) {
global.allRoutes += ts.tileStatistics.allRoutes;
global.coordinates += ts.tileStatistics.coordinates;
}
distinctLoadedTiles++;
}
global.size += ts.tileStatistics.size;
}
private void getAllObjects(long tileId, final List<RouteDataObject> toFillIn) {
TLongObjectHashMap<RouteDataObject> excludeDuplications =
new TLongObjectHashMap<RouteDataObject>();
if (tileRoutes.containsKey(tileId)) {
List<RouteDataObject> routes = tileRoutes.get(tileId);
if (routes != null) {
for (RouteDataObject ro : routes) {
if (!excludeDuplications.contains(ro.id)) {
excludeDuplications.put(ro.id, ro);
toFillIn.add(ro);
}
}
}
}
List<RoutingSubregionTile> subregions = indexedSubregions.get(tileId);
if (subregions != null) {
for (RoutingSubregionTile rs : subregions) {
rs.loadAllObjects(toFillIn, this, excludeDuplications);
}
}
}
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;
}
}
}
}
}
public void unloadUnusedTiles(int memoryLimit) {
float desirableSize = memoryLimit * 0.7f;
List<RoutingSubregionTile> list =
new ArrayList<RoutingSubregionTile>(subregionTiles.size() / 2);
int loaded = 0;
for (RoutingSubregionTile t : subregionTiles) {
if (t.isLoaded()) {
list.add(t);
loaded++;
}
}
maxLoadedTiles = Math.max(maxLoadedTiles, getCurrentlyLoadedTiles());
Collections.sort(
list,
new Comparator<RoutingSubregionTile>() {
private int pow(int base, int pw) {
int r = 1;
for (int i = 0; i < pw; i++) {
r *= base;
}
return r;
}
@Override
public int compare(RoutingSubregionTile o1, RoutingSubregionTile o2) {
int v1 = (o1.access + 1) * pow(10, o1.getUnloadCont() - 1);
int v2 = (o2.access + 1) * pow(10, o2.getUnloadCont() - 1);
return v1 < v2 ? -1 : (v1 == v2 ? 0 : 1);
}
});
int i = 0;
while (getCurrentEstimatedSize() >= desirableSize
&& (list.size() - i) > loaded / 5
&& i < list.size()) {
RoutingSubregionTile unload = list.get(i);
i++;
// System.out.println("Unload " + unload);
unload.unload();
unloadedTiles++;
global.size -= unload.tileStatistics.size;
// tile could be cleaned from routing tiles and deleted from whole list
}
for (RoutingSubregionTile t : subregionTiles) {
t.access /= 3;
}
}
@SuppressWarnings("unused")
private long getRoutingTile(int x31, int y31, int memoryLimit, int loadOptions) {
// long now = System.nanoTime();
long xloc = x31 >> (31 - config.ZOOM_TO_LOAD_TILES);
long yloc = y31 >> (31 - config.ZOOM_TO_LOAD_TILES);
long tileId = (xloc << config.ZOOM_TO_LOAD_TILES) + yloc;
if (loadOptions != OPTION_NO_LOAD) {
if (memoryLimit == 0) {
memoryLimit = config.memoryLimitation;
}
if (getCurrentEstimatedSize() > 0.9 * memoryLimit) {
int sz1 = getCurrentEstimatedSize();
long h1 = 0;
if (SHOW_GC_SIZE && sz1 > 0.7 * memoryLimit) {
runGCUsedMemory();
h1 = runGCUsedMemory();
}
int clt = getCurrentlyLoadedTiles();
long us1 = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
unloadUnusedTiles(memoryLimit);
if (h1 != 0 && getCurrentlyLoadedTiles() != clt) {
int sz2 = getCurrentEstimatedSize();
runGCUsedMemory();
long h2 = runGCUsedMemory();
float mb = (1 << 20);
log.warn(
"Unload tiles : estimated "
+ (sz1 - sz2) / mb
+ " ?= "
+ (h1 - h2) / mb
+ " actual");
log.warn(
"Used after "
+ h2 / mb
+ " of "
+ Runtime.getRuntime().totalMemory() / mb
+ " max "
+ maxMemory() / mb);
} else {
float mb = (1 << 20);
int sz2 = getCurrentEstimatedSize();
log.warn(
"Unload tiles : occupied before "
+ sz1 / mb
+ " Mb - now "
+ sz2 / mb
+ "MB "
+ memoryLimit / mb
+ " limit MB "
+ config.memoryLimitation / mb);
long us2 = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
log.warn(
"Used memory before "
+ us1 / mb
+ "after "
+ us1 / mb
+ " of max "
+ maxMemory() / mb);
}
}
if (!indexedSubregions.containsKey(tileId)) {
List<RoutingSubregionTile> collection = loadTileHeaders(x31, y31);
indexedSubregions.put(tileId, collection);
}
List<RoutingSubregionTile> subregions = indexedSubregions.get(tileId);
if (subregions != null) {
for (RoutingSubregionTile ts : subregions) {
if (!ts.isLoaded()) {
loadSubregionTile(ts, loadOptions == OPTION_IN_MEMORY_LOAD);
}
}
}
}
// timeToLoad += (System.nanoTime() - now);
return tileId;
}