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Fix #4676

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This commit is contained in:
Alexander Sytnyk 2017-12-04 17:41:43 +02:00
parent e1a41fc8fd
commit 9454b6b35a
1 changed files with 28 additions and 11 deletions
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39
OsmAnd/src/net/osmand/plus/mapmarkers/MapMarkersDbHelper.java
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@ -12,12 +12,16 @@ import net.osmand.plus.api.SQLiteAPI.SQLiteConnection;
import net.osmand.plus.api.SQLiteAPI.SQLiteCursor;
import net.osmand.plus.helpers.SearchHistoryHelper;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
public class MapMarkersDbHelper {
@ -407,6 +411,7 @@ public class MapMarkersDbHelper {
public List<MapMarker> getActiveMarkers() {
Map<String, MapMarker> markers = new LinkedHashMap<>();
Set<String> nextKeys = new HashSet<>();
SQLiteConnection db = openConnection(true);
if (db != null) {
try {
@ -416,6 +421,7 @@ public class MapMarkersDbHelper {
do {
MapMarker marker = readItem(query);
markers.put(marker.id, marker);
nextKeys.add(marker.nextKey);
} while (query.moveToNext());
}
query.close();
@ -423,7 +429,7 @@ public class MapMarkersDbHelper {
db.close();
}
}
return buildLinkedList(markers);
return buildLinkedList(markers, nextKeys);
}
private MapMarker readItem(SQLiteCursor query) {
@ -455,20 +461,31 @@ public class MapMarkersDbHelper {
return marker;
}
private List<MapMarker> buildLinkedList(Map<String, MapMarker> markers) {
List<MapMarker> res = new LinkedList<>();
int markersCount = markers.size();
for (int i = 0; i < markersCount; i++) {
int count = 1;
for (MapMarker marker : markers.values()) {
if (!markers.containsKey(marker.nextKey) || count == markers.size()) {
res.add(0, marker);
markers.remove(marker.id);
private List<MapMarker> buildLinkedList(Map<String, MapMarker> markers, Set<String> nextKeys) {
List<MapMarker> res = new ArrayList<>(markers.size());
while (!markers.isEmpty()) {
MapMarker head = null;
Iterator<MapMarker> iterator = markers.values().iterator();
while (iterator.hasNext()) {
MapMarker marker = iterator.next();
if (!nextKeys.contains(marker.id) || !iterator.hasNext()) {
head = marker;
break;
}
count++;
}
if (head == null) {
break;
}
do {
res.add(head);
markers.remove(head.id);
} while ((head = markers.get(head.nextKey)) != null);
}
return res;
}