FairEmail/patches/room.patch

--- /home/marcel/support/room/runtime/src/main/java/androidx/room/RoomTrackingLiveData.java	2019-07-27 12:47:44.950985792 +0200
+++ app/src/main/java/androidx/room/RoomTrackingLiveData.java	2019-08-01 09:33:53.297685740 +0200
@@ -84,13 +84,20 @@ class RoomTrackingLiveData<T> extends Li
                     // as long as it is invalid, keep computing.
                     try {
                         T value = null;
-                        while (mInvalid.compareAndSet(true, false)) {
-                            computed = true;
+                        int retry = 0;
+                        while (mInvalid.compareAndSet(true, false) && !computed) {
                             try {
                                 value = mComputeFunction.call();
+                                computed = true;
                             } catch (Exception e) {
-                                throw new RuntimeException("Exception while computing database"
-                                        + " live data.", e);
+                                if (++retry > 3)
+                                    throw new RuntimeException(
+                                            "Exception while computing database live data.", e);
+                                eu.faircode.email.Log.w(e);
+                                try {
+                                    Thread.sleep(3000L);
+                                } catch (InterruptedException ignored) {
+                                }
                             }
                         }
                         if (computed) {
@@ -125,6 +132,7 @@ class RoomTrackingLiveData<T> extends Li
             }
         }
     };
+
     @SuppressLint("RestrictedApi")
     RoomTrackingLiveData(
             RoomDatabase database,