Removed TrackPointFactory.

New TrackPoints are now always created and old ones not reused.
This commit is contained in:
Dennis Guse
2020-03-29 13:07:40 +02:00
parent 881bf1982a
commit a98c16de28
9 changed files with 32 additions and 99 deletions
@@ -34,7 +34,6 @@ import de.dennisguse.opentracks.content.data.Track;
import de.dennisguse.opentracks.content.data.TrackPoint;
import de.dennisguse.opentracks.content.data.Waypoint;
import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
import de.dennisguse.opentracks.content.provider.TrackPointFactory;
import de.dennisguse.opentracks.content.provider.TrackPointIterator;
import de.dennisguse.opentracks.util.LocationUtils;
import de.dennisguse.opentracks.util.PreferencesUtils;
@@ -392,7 +391,7 @@ public class TrackDataHub implements DataSourceListener, SharedPreferences.OnSha
int samplingFrequency = -1;
boolean includeNextPoint = false;
try (TrackPointIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, TrackPointFactory.DEFAULT_LOCATION_FACTORY)) {
try (TrackPointIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false)) {
while (locationIterator.hasNext()) {
TrackPoint trackPoint = locationIterator.next();
@@ -185,9 +185,4 @@ public class TrackPoint {
public float bearingTo(@NonNull Location dest) {
return location.bearingTo(dest);
}
public void reset() {
location.reset();
sensorDataSet = null;
}
}
@@ -626,10 +626,9 @@ public class ContentProviderUtils {
*
* @param cursor the cursor pointing to a trackPoint.
* @param indexes the cached track points indexes
* @param trackPoint the track point
*/
static void fillTrackPoint(Cursor cursor, CachedTrackPointsIndexes indexes, TrackPoint trackPoint) {
trackPoint.reset();
static TrackPoint fillTrackPoint(Cursor cursor, CachedTrackPointsIndexes indexes) {
TrackPoint trackPoint = new TrackPoint();
if (!cursor.isNull(indexes.longitudeIndex)) {
trackPoint.setLongitude(((double) cursor.getInt(indexes.longitudeIndex)) / 1E6);
@@ -658,6 +657,8 @@ public class ContentProviderUtils {
float power = cursor.isNull(indexes.sensorPowerIndex) ? SensorDataSet.DATA_UNAVAILABLE : cursor.getFloat(indexes.sensorPowerIndex);
trackPoint.setSensorDataSet(new SensorDataSet(heartRate, cadence, power, SensorDataSet.DATA_UNAVAILABLE, trackPoint.getTime()));
return trackPoint;
}
/**
@@ -750,14 +751,12 @@ public class ContentProviderUtils {
}
/**
* Creates a location object from a cursor.
* Creates a {@link TrackPoint} object from a cursor.
*
* @param cursor the cursor pointing to the location
*/
public TrackPoint createTrackPoint(Cursor cursor) {
TrackPoint location = new TrackPoint();
fillTrackPoint(cursor, new CachedTrackPointsIndexes(cursor), location);
return location;
return fillTrackPoint(cursor, new CachedTrackPointsIndexes(cursor));
}
/**
@@ -868,16 +867,15 @@ public class ContentProviderUtils {
* Creates a new read-only iterator over a given track's points.
* It provides a lightweight way of iterating over long tracks without failing due to the underlying cursor limitations.
* Since it's a read-only iterator, {@link Iterator#remove()} always throws {@link UnsupportedOperationException}.
* Each call to {@link TrackPointIterator#next()} may advance to the next DB record, and if so, the iterator calls {@link TrackPointFactory#create()} and populates it with information retrieved from the record.
* Each call to {@link TrackPointIterator#next()} may advance to the next DB record.
* When done with iteration, {@link TrackPointIterator#close()} must be called.
*
* @param trackId the track id
* @param startTrackPointId the starting track point id. -1L to ignore
* @param descending true to sort the result in descending order (latest location first)
* @param trackPointFactory the location factory
*/
public TrackPointIterator getTrackPointLocationIterator(final long trackId, final long startTrackPointId, final boolean descending, final TrackPointFactory trackPointFactory) {
return new TrackPointIterator(this, trackId, startTrackPointId, descending, trackPointFactory);
public TrackPointIterator getTrackPointLocationIterator(final long trackId, final long startTrackPointId, final boolean descending) {
return new TrackPointIterator(this, trackId, startTrackPointId, descending);
}
private TrackPoint findTrackPointBy(String selection, String[] selectionArgs) {
@@ -1,22 +0,0 @@
package de.dennisguse.opentracks.content.provider;
import android.location.Location;
import android.location.LocationManager;
import de.dennisguse.opentracks.content.data.TrackPoint;
/**
* Creates a new {@link TrackPoint}.
* An implementation can create new instances or reuse existing instances for optimization.
*/
public class TrackPointFactory {
/**
* The default {@link TrackPointFactory} which creates a location each time.
*/
public static final TrackPointFactory DEFAULT_LOCATION_FACTORY = new TrackPointFactory();
public TrackPoint create() {
return new TrackPoint(new Location(LocationManager.GPS_PROVIDER));
}
}
@@ -18,21 +18,15 @@ public class TrackPointIterator implements Iterator<TrackPoint>, AutoCloseable {
private final ContentProviderUtils contentProviderUtils;
private final long trackId;
private final boolean descending;
private final TrackPointFactory trackPointFactory; //TODO Remove; seems to be an old performance optimization.
private final CachedTrackPointsIndexes indexes;
private long lastTrackPointId = -1L;
private Cursor cursor;
public TrackPointIterator(ContentProviderUtils contentProviderUtils, long trackId, long startTrackPointId, boolean descending, TrackPointFactory trackPointFactory) {
if (trackPointFactory == null) {
throw new IllegalArgumentException("trackPointFactory is null");
}
public TrackPointIterator(ContentProviderUtils contentProviderUtils, long trackId, long startTrackPointId, boolean descending) {
this.contentProviderUtils = contentProviderUtils;
this.trackId = trackId;
this.descending = descending;
this.trackPointFactory = trackPointFactory;
cursor = getCursor(startTrackPointId);
indexes = cursor != null ? new CachedTrackPointsIndexes(cursor)
@@ -91,9 +85,7 @@ public class TrackPointIterator implements Iterator<TrackPoint>, AutoCloseable {
}
}
lastTrackPointId = cursor.getLong(indexes.idIndex);
TrackPoint trackPoint = trackPointFactory.create();
ContentProviderUtils.fillTrackPoint(cursor, indexes, trackPoint);
return trackPoint;
return ContentProviderUtils.fillTrackPoint(cursor, indexes);
}
@Override
@@ -28,7 +28,6 @@ import de.dennisguse.opentracks.content.data.Track;
import de.dennisguse.opentracks.content.data.TrackPoint;
import de.dennisguse.opentracks.content.data.Waypoint;
import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
import de.dennisguse.opentracks.content.provider.TrackPointFactory;
import de.dennisguse.opentracks.content.provider.TrackPointIterator;
import de.dennisguse.opentracks.util.LocationUtils;
@@ -128,7 +127,7 @@ public class FileTrackExporter implements TrackExporter {
int locationNumber = 0;
TrackPoint lastTrackPoint = null;
try (TrackPointIterator trackPointIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, TrackPointFactory.DEFAULT_LOCATION_FACTORY)) {
try (TrackPointIterator trackPointIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false)) {
while (trackPointIterator.hasNext()) {
if (Thread.interrupted()) {
@@ -40,7 +40,6 @@ import de.dennisguse.opentracks.content.data.Track;
import de.dennisguse.opentracks.content.data.TrackPoint;
import de.dennisguse.opentracks.content.data.Waypoint;
import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
import de.dennisguse.opentracks.content.provider.TrackPointFactory;
import de.dennisguse.opentracks.content.provider.TrackPointIterator;
import de.dennisguse.opentracks.stats.TripStatisticsUpdater;
import de.dennisguse.opentracks.util.FileUtils;
@@ -161,7 +160,7 @@ abstract class AbstractFileTrackImporter extends DefaultHandler implements Track
@Deprecated // TODO Should not be necessary anymore?
TripStatisticsUpdater markerTripStatisticsUpdater = new TripStatisticsUpdater(track.getTripStatistics().getStartTime());
try (TrackPointIterator trackPointIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, TrackPointFactory.DEFAULT_LOCATION_FACTORY)) {
try (TrackPointIterator trackPointIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false)) {
while (true) {
if (waypoint == null) {
@@ -46,7 +46,6 @@ import de.dennisguse.opentracks.content.data.TrackPoint;
import de.dennisguse.opentracks.content.data.Waypoint;
import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
import de.dennisguse.opentracks.content.provider.CustomContentProvider;
import de.dennisguse.opentracks.content.provider.TrackPointFactory;
import de.dennisguse.opentracks.content.provider.TrackPointIterator;
import de.dennisguse.opentracks.content.sensor.SensorDataSet;
import de.dennisguse.opentracks.services.sensors.BluetoothRemoteSensorManager;
@@ -378,7 +377,7 @@ public class TrackRecordingService extends Service {
TripStatistics tripStatistics = track.getTripStatistics();
trackTripStatisticsUpdater = new TripStatisticsUpdater(tripStatistics.getStartTime());
try (TrackPointIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, TrackPointFactory.DEFAULT_LOCATION_FACTORY)) {
try (TrackPointIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false)) {
trackTripStatisticsUpdater.addTrackPoint(locationIterator, recordingDistanceInterval);
} catch (RuntimeException e) {
Log.e(TAG, "RuntimeException", e);