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fix for slow excluded id check

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This commit is contained in:
MadWasp79 2019-10-04 16:22:48 +03:00
parent 5143f186d5
commit c6be1a9c10
1 changed files with 32 additions and 12 deletions
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40
OsmAnd-java/src/main/java/net/osmand/router/RoutingContext.java
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@ -6,10 +6,13 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import org.apache.commons.logging.Log;
@ -73,6 +76,7 @@ public class RoutingContext {
// 2. Routing memory cache (big objects)
TLongObjectHashMap<List<RoutingSubregionTile>> indexedSubregions = new TLongObjectHashMap<List<RoutingSubregionTile>>();
TLongObjectHashMap<List<TLongHashSet>> excludedIdsByTile = new TLongObjectHashMap<List<TLongHashSet>>();
// Needs to be a sorted array list . Another option to use hashmap but it will be more memory expensive
List<RoutingSubregionTile> subregionTiles = new ArrayList<RoutingSubregionTile>();
@ -108,7 +112,6 @@ public class RoutingContext {
// old planner
public FinalRouteSegment finalRouteSegment;
RoutingContext(RoutingContext cp) {
this.config = cp.config;
this.map.putAll(cp.map);
@ -230,6 +233,7 @@ public class RoutingContext {
}
subregionTiles.clear();
indexedSubregions.clear();
excludedIdsByTile.clear();
}
private int searchSubregionTile(RouteSubregion subregion){
@ -272,16 +276,19 @@ public class RoutingContext {
public RouteSegment loadRouteSegment(int x31, int y31, int memoryLimit) {
long tileId = getRoutingTile(x31, y31, memoryLimit, OPTION_SMART_LOAD);
TLongObjectHashMap<RouteDataObject> excludeDuplications = new TLongObjectHashMap<RouteDataObject>();
TLongSet excludeIds = new TLongHashSet();
RouteSegment original = null;
List<RoutingSubregionTile> subregions = indexedSubregions.get(tileId);
if (subregions != null) {
for (RoutingSubregionTile rs : subregions) {
// TODO
original = rs.loadRouteSegment(x31, y31, this, excludeDuplications, excludeIds,
original);
if(rs.excludedIds != null) {
excludeIds.addAll(rs.excludedIds);
for (int j = 0; j < subregions.size(); j++) {
original = subregions.get(j).loadRouteSegment(x31, y31, this, excludeDuplications,
excludedIdsByTile.get(tileId), original, j);
if(j < subregions.size()- 1) {
if (excludedIdsByTile.get(tileId) == null) {
excludedIdsByTile.put(tileId, new ArrayList<>());
}
if (excludedIdsByTile.get(tileId).size() < j) {
excludedIdsByTile.get(tileId).add(subregions.get(j).excludedIds);
}
}
}
}
@ -654,7 +661,8 @@ public class RoutingContext {
}
private RouteSegment loadRouteSegment(int x31, int y31, RoutingContext ctx,
TLongObjectHashMap<RouteDataObject> excludeDuplications, TLongSet excludeIds, RouteSegment original) {
TLongObjectHashMap<RouteDataObject> excludeDuplications, List<TLongHashSet> excludedIdsInTile,
RouteSegment original, int subIndex) {
access++;
if (routes != null) {
long l = (((long) x31) << 31) + (long) y31;
@ -663,7 +671,7 @@ public class RoutingContext {
RouteDataObject ro = segment.road;
RouteDataObject toCmp = excludeDuplications.get(calcRouteId(ro, segment.getSegmentStart()));
if ((toCmp == null || toCmp.getPointsLength() < ro.getPointsLength())
&& !excludeIds.contains(ro.id)) {
&& !isExcluded(ro.id, excludedIdsInTile, subIndex)) {
excludeDuplications.put(calcRouteId(ro, segment.getSegmentStart()), ro);
RouteSegment s = new RouteSegment(ro, segment.getSegmentStart());
s.next = original;
@ -677,6 +685,18 @@ public class RoutingContext {
return original;
}
private boolean isExcluded(long id, List<TLongHashSet> excludedIdsBySub, int subIndex) {
if (subIndex == 0) {
return false;
}
for (int i = 0; i < subIndex-1; i++) {
if (excludedIdsBySub.get(i) != null && excludedIdsBySub.get(i).contains(id)) {
return true;
}
}
return false;
}
public boolean isLoaded() {
return isLoaded > 0;
}