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Cleanup: removed descending iterator for TrackPoints.

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Dennis Guse
2020-12-25 16:55:12 +01:00
parent ccd93dd17d
commit a689b6eb2c
8 changed files with 37 additions and 119 deletions
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src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java
+11 -17
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@@ -680,27 +680,22 @@ public class ContentProviderUtils {
* Creates a location cursor. The caller owns the returned cursor and is responsible for closing it.
*
* @param trackId the track id
* @param startTrackPointId the starting trackPoint id. -1L to ignore
* @param maxLocations maximum number of locations to return. -1 for no limit
* @param descending true to sort the result in descending order (latest location first)
* @param startTrackPointId the starting trackPoint id. `null` to ignore
* @param maxLocations maximum number of locations to return. `null` for no limit
*/
public Cursor getTrackPointCursor(Track.Id trackId, long startTrackPointId, int maxLocations, boolean descending) {
public Cursor getTrackPointCursor(Track.Id trackId, Long startTrackPointId, Integer maxLocations) {
String selection;
String[] selectionArgs;
if (startTrackPointId >= 0) {
String comparison = descending ? "<=" : ">=";
selection = TrackPointsColumns.TRACKID + "=? AND " + TrackPointsColumns._ID + comparison + "?";
if (startTrackPointId != null) {
selection = TrackPointsColumns.TRACKID + "=? AND " + TrackPointsColumns._ID + ">=?";
selectionArgs = new String[]{Long.toString(trackId.getId()), Long.toString(startTrackPointId)};
} else {
selection = TrackPointsColumns.TRACKID + "=?";
selectionArgs = new String[]{Long.toString(trackId.getId())};
}
String sortOrder = TrackPointsColumns._ID;
if (descending) {
sortOrder += " DESC";
}
if (maxLocations >= 0) {
String sortOrder = TrackPointsColumns.DEFAULT_SORT_ORDER;
if (maxLocations != null) {
sortOrder += " LIMIT " + maxLocations;
}
return getTrackPointCursor(null, selection, selectionArgs, sortOrder);
@@ -784,11 +779,10 @@ public class ContentProviderUtils {
* When done with iteration, {@link TrackPointIterator#close()} must be called.
*
* @param trackId the track id
* @param startTrackPointId the starting trackPoint id. -1L to ignore
* @param descending true to sort the result in descending order (latest location first)
* @param startTrackPointId the starting trackPoint id. `null` to ignore
*/
public TrackPointIterator getTrackPointLocationIterator(final Track.Id trackId, final long startTrackPointId, final boolean descending) {
return new TrackPointIterator(this, trackId, startTrackPointId, descending);
public TrackPointIterator getTrackPointLocationIterator(final Track.Id trackId, final Long startTrackPointId) {
return new TrackPointIterator(this, trackId, startTrackPointId);
}
private TrackPoint findTrackPointBy(String selection, String[] selectionArgs) {
@@ -816,7 +810,7 @@ public class ContentProviderUtils {
public List<TrackPoint> getTrackPoints(Track.Id trackId) {
List<TrackPoint> trackPoints = null;
try (Cursor trackPointCursor = getTrackPointCursor(trackId, -1L, -1, false)) {
try (Cursor trackPointCursor = getTrackPointCursor(trackId, -1L, -1)) {
if (trackPointCursor != null) {
trackPointCursor.moveToFirst();
trackPoints = new ArrayList<>(trackPointCursor.getCount());