mirror of
https://github.com/M66B/FairEmail.git
synced 2024-12-22 15:55:57 +00:00
81 lines
3.3 KiB
Diff
81 lines
3.3 KiB
Diff
--- /home/marcel/support/room/runtime/src/main/java/androidx/room/paging/LimitOffsetDataSource.java 2020-05-18 15:59:35.380887546 +0200
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+++ /home/marcel/email/app/src/main/java/androidx/room/paging/LimitOffsetDataSource.java 2020-06-15 15:44:12.388117961 +0200
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@@ -20,6 +20,7 @@ import android.database.Cursor;
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import androidx.annotation.NonNull;
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import androidx.annotation.RestrictTo;
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+import androidx.paging.PositionalDataSource;
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import androidx.room.InvalidationTracker;
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import androidx.room.RoomDatabase;
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import androidx.room.RoomSQLiteQuery;
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@@ -42,9 +43,8 @@ import java.util.Set;
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*
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* @hide
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*/
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-@SuppressWarnings("deprecation")
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@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP_PREFIX)
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-public abstract class LimitOffsetDataSource<T> extends androidx.paging.PositionalDataSource<T> {
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+public abstract class LimitOffsetDataSource<T> extends PositionalDataSource<T> {
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private final RoomSQLiteQuery mSourceQuery;
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private final String mCountQuery;
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private final String mLimitOffsetQuery;
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@@ -114,27 +114,38 @@ public abstract class LimitOffsetDataSou
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int firstLoadPosition = 0;
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RoomSQLiteQuery sqLiteQuery = null;
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Cursor cursor = null;
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- mDb.beginTransaction();
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- try {
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- totalCount = countItems();
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- if (totalCount != 0) {
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- // bound the size requested, based on known count
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- firstLoadPosition = computeInitialLoadPosition(params, totalCount);
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- int firstLoadSize = computeInitialLoadSize(params, firstLoadPosition, totalCount);
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-
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- sqLiteQuery = getSQLiteQuery(firstLoadPosition, firstLoadSize);
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- cursor = mDb.query(sqLiteQuery);
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- List<T> rows = convertRows(cursor);
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- mDb.setTransactionSuccessful();
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- list = rows;
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- }
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- } finally {
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- if (cursor != null) {
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- cursor.close();
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- }
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- mDb.endTransaction();
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- if (sqLiteQuery != null) {
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- sqLiteQuery.release();
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+ int retry = 0;
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+ while (cursor == null) {
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+ mDb.beginTransaction();
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+ try {
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+ totalCount = countItems();
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+ if (totalCount != 0) {
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+ // bound the size requested, based on known count
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+ firstLoadPosition = computeInitialLoadPosition(params, totalCount);
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+ int firstLoadSize = computeInitialLoadSize(params, firstLoadPosition, totalCount);
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+
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+ sqLiteQuery = getSQLiteQuery(firstLoadPosition, firstLoadSize);
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+ cursor = mDb.query(sqLiteQuery);
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+ List<T> rows = convertRows(cursor);
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+ mDb.setTransactionSuccessful();
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+ list = rows;
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+ }
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+ } catch (Throwable ex) {
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+ if (++retry > 10)
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+ throw ex;
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+ eu.faircode.email.Log.w(ex);
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+ try {
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+ Thread.sleep(3000L);
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+ } catch (InterruptedException ignored) {
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+ }
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+ } finally {
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+ if (cursor != null) {
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+ cursor.close();
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+ }
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+ mDb.endTransaction();
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+ if (sqLiteQuery != null) {
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+ sqLiteQuery.release();
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+ }
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}
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}
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