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Lazy loading reading

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This commit is contained in:
Victor Shcherb 2020-05-16 17:12:34 +02:00
parent 4873ab04a9
commit 7319a235c0
3 changed files with 24 additions and 23 deletions
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26
OsmAnd-java/src/main/java/net/osmand/binary/BinaryMapIndexReader.java
View file

@ -3,6 +3,7 @@ package net.osmand.binary;
import com.google.protobuf.CodedInputStream;
import com.google.protobuf.CodedOutputStream;
import com.google.protobuf.InvalidProtocolBufferException;
import com.google.protobuf.WireFormat;
import net.osmand.Collator;
@ -26,6 +27,7 @@ import net.osmand.binary.OsmandOdb.OsmAndMapIndex.MapRootLevel;
import net.osmand.data.Amenity;
import net.osmand.data.Building;
import net.osmand.data.City;
import net.osmand.data.IncompleteTransportRoute;
import net.osmand.data.LatLon;
import net.osmand.data.MapObject;
import net.osmand.data.Street;
@ -54,7 +56,6 @@ import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
@ -110,9 +111,7 @@ public class BinaryMapIndexReader {
/*private*/ List<TransportIndex> transportIndexes = new ArrayList<TransportIndex>();
/*private*/ List<RouteRegion> routingIndexes = new ArrayList<RouteRegion>();
/*private*/ List<BinaryIndexPart> indexes = new ArrayList<BinaryIndexPart>();
private final TLongObjectHashMap<net.osmand.data.IncompleteTransportRoute> incompleteRoutes =
new TLongObjectHashMap<net.osmand.data.IncompleteTransportRoute>();
TLongObjectHashMap<IncompleteTransportRoute> incompleteTransportRoutes = null;
protected CodedInputStream codedIS;
@ -227,7 +226,7 @@ public class BinaryMapIndexReader {
ind.filePointer = codedIS.getTotalBytesRead();
if (transportAdapter != null) {
oldLimit = codedIS.pushLimit(ind.length);
transportAdapter.readTransportIndex(ind, incompleteRoutes);
transportAdapter.readTransportIndex(ind);
codedIS.popLimit(oldLimit);
transportIndexes.add(ind);
indexes.add(ind);
@ -2635,12 +2634,17 @@ public class BinaryMapIndexReader {
}
}
public net.osmand.data.IncompleteTransportRoute getIncompleteRoutePointers(long id) {
return incompleteRoutes.get(id);
}
public Collection<net.osmand.data.IncompleteTransportRoute> getIncompleteRoutes() {
return incompleteRoutes.valueCollection();
public TLongObjectHashMap<IncompleteTransportRoute> getIncompleteTransportRoutes() throws InvalidProtocolBufferException, IOException {
if (incompleteTransportRoutes == null) {
incompleteTransportRoutes = new TLongObjectHashMap<>();
for (TransportIndex ti : transportIndexes) {
if (ti.incompleteRoutesLength > 0) {
transportAdapter.readIncompleteRoutesList(incompleteTransportRoutes, ti.incompleteRoutesLength,
ti.incompleteRoutesOffset);
}
}
}
return incompleteTransportRoutes;
}

17
OsmAnd-java/src/main/java/net/osmand/binary/BinaryMapTransportReaderAdapter.java
View file

@ -83,7 +83,7 @@ public class BinaryMapTransportReaderAdapter {
}
protected void readTransportIndex(TransportIndex ind, TLongObjectHashMap<net.osmand.data.IncompleteTransportRoute> incompleteRoutes) throws IOException {
protected void readTransportIndex(TransportIndex ind) throws IOException {
while(true){
int t = codedIS.readTag();
int tag = WireFormat.getTagFieldNumber(t);
@ -113,13 +113,9 @@ public class BinaryMapTransportReaderAdapter {
codedIS.seek(st.length + st.fileOffset);
break;
case OsmandOdb.OsmAndTransportIndex.INCOMPLETEROUTES_FIELD_NUMBER :
TIntObjectHashMap<String> stab = new TIntObjectHashMap<String>();
ind.incompleteRoutesLength = codedIS.readRawVarint32();
ind.incompleteRoutesOffset = codedIS.getTotalBytesRead();
int oldl = codedIS.pushLimit(ind.incompleteRoutesLength);
//may be we should start caching stringTable in advance?
readIncompleteRoutesList(incompleteRoutes, ind.incompleteRoutesLength, ind.incompleteRoutesOffset, stab);
codedIS.popLimit(oldl);
codedIS.seek(ind.incompleteRoutesLength + ind.incompleteRoutesOffset);
break;
default:
@ -128,6 +124,7 @@ public class BinaryMapTransportReaderAdapter {
}
}
}
private void readTransportBounds(TransportIndex ind) throws IOException {
while(true){
@ -254,8 +251,8 @@ public class BinaryMapTransportReaderAdapter {
return ((char) i)+"";
}
private void readIncompleteRoutesList(TLongObjectHashMap<net.osmand.data.IncompleteTransportRoute> incompleteRoutes,
int length, int offset, TIntObjectHashMap<String> stringTable) throws IOException {
public void readIncompleteRoutesList(TLongObjectHashMap<net.osmand.data.IncompleteTransportRoute> incompleteRoutes,
int length, int offset) throws IOException {
codedIS.seek(offset);
boolean end = false;
while (!end) {
@ -268,7 +265,7 @@ public class BinaryMapTransportReaderAdapter {
case OsmandOdb.IncompleteTransportRoutes.ROUTES_FIELD_NUMBER:
int l = codedIS.readRawVarint32();
int olds = codedIS.pushLimit(l);
net.osmand.data.IncompleteTransportRoute ir = readIncompleteRoute(stringTable);
net.osmand.data.IncompleteTransportRoute ir = readIncompleteRoute();
net.osmand.data.IncompleteTransportRoute itr = incompleteRoutes.get(ir.getRouteId());
if(itr != null) {
itr.setNextLinkedRoute(ir);
@ -286,7 +283,7 @@ public class BinaryMapTransportReaderAdapter {
}
public net.osmand.data.IncompleteTransportRoute readIncompleteRoute(TIntObjectHashMap<String> stringTable) throws IOException {
public net.osmand.data.IncompleteTransportRoute readIncompleteRoute() throws IOException {
net.osmand.data.IncompleteTransportRoute dataObject = new net.osmand.data.IncompleteTransportRoute();
boolean end = false;
while(!end){

4
OsmAnd-java/src/main/java/net/osmand/router/TransportRoutePlanner.java
View file

@ -1126,9 +1126,9 @@ public class TransportRoutePlanner {
private List<TransportRoute> findIncompleteRouteParts(TransportRoute baseRoute) throws IOException {
List<TransportRoute> allRoutes = null;
// TODO completely irrelevant always reiteration over all maps
// TODO completely irrelevant always reiteration over all maps (especially not in bbox of the route probabl)
for (BinaryMapIndexReader bmir : routeMap.keySet()) {
IncompleteTransportRoute ptr = bmir.getIncompleteRoutePointers(baseRoute.getId());
IncompleteTransportRoute ptr = bmir.getIncompleteTransportRoutes().get(baseRoute.getId());
if (ptr != null) {
TIntArrayList lst = new TIntArrayList();
while(ptr != null) {