mirror of https://github.com/M66B/FairEmail.git
M66B
8 months ago
parent
58a63a366d
commit
b8250fe6a0
@ -0,0 +1,171 @@
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diff --git a/app/src/main/java/androidx/room/InvalidationTracker.kt b/app/src/main/java/androidx/room/InvalidationTracker.kt
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index 38067b702f..76cf95815c 100644
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--- a/app/src/main/java/androidx/room/InvalidationTracker.kt
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+++ b/app/src/main/java/androidx/room/InvalidationTracker.kt
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@@ -405,10 +405,14 @@ open class InvalidationTracker @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP_PREFIX
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private fun checkUpdatedTable(): Set<Int> {
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val invalidatedTableIds = buildSet {
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- database.query(SimpleSQLiteQuery(SELECT_UPDATED_TABLES_SQL)).useCursor { cursor ->
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- while (cursor.moveToNext()) {
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- add(cursor.getInt(0))
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+ try {
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+ database.query(SimpleSQLiteQuery(SELECT_UPDATED_TABLES_SQL)).useCursor { cursor ->
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+ while (cursor.moveToNext()) {
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+ add(cursor.getInt(0))
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+ }
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}
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+ } catch (ex: Throwable) {
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+ eu.faircode.email.Log.w(ex)
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}
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}
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if (invalidatedTableIds.isNotEmpty()) {
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diff --git a/app/src/main/java/androidx/room/RoomTrackingLiveData.kt b/app/src/main/java/androidx/room/RoomTrackingLiveData.kt
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index 171b57d16e..e253e98eee 100644
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--- a/app/src/main/java/androidx/room/RoomTrackingLiveData.kt
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+++ b/app/src/main/java/androidx/room/RoomTrackingLiveData.kt
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@@ -54,62 +54,72 @@ internal class RoomTrackingLiveData<T> (
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val invalid = AtomicBoolean(true)
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val computing = AtomicBoolean(false)
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val registeredObserver = AtomicBoolean(false)
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+ val queued = eu.faircode.email.ObjectHolder<Int>(0)
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+ val lock = Object()
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val refreshRunnable = Runnable {
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- if (registeredObserver.compareAndSet(false, true)) {
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- database.invalidationTracker.addWeakObserver(observer)
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- }
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- var computed: Boolean
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- do {
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- computed = false
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- // compute can happen only in 1 thread but no reason to lock others.
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- if (computing.compareAndSet(false, true)) {
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- // as long as it is invalid, keep computing.
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- try {
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- var value: T? = null
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- while (invalid.compareAndSet(true, false)) {
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- computed = true
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- try {
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- value = computeFunction.call()
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- } catch (e: Exception) {
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- throw RuntimeException(
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- "Exception while computing database live data.",
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- e
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- )
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- }
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- }
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- if (computed) {
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- postValue(value)
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- }
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- } finally {
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- // release compute lock
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- computing.set(false)
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- }
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- }
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- // check invalid after releasing compute lock to avoid the following scenario.
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- // Thread A runs compute()
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- // Thread A checks invalid, it is false
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- // Main thread sets invalid to true
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- // Thread B runs, fails to acquire compute lock and skips
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- // Thread A releases compute lock
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- // We've left invalid in set state. The check below recovers.
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- } while (computed && invalid.get())
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- }
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+ synchronized(lock) {
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+ queued.value--
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+ if (queued.value < 0) {
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+ eu.faircode.email.Log.e("$computeFunction queued=$queued.value")
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+ queued.value = 0
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+ }
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+ }
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+
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+ if (registeredObserver.compareAndSet(false, true)) {
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+ database.invalidationTracker.addWeakObserver(observer)
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+ }
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+
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+ var value: T? = null
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+ var computed = false
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+ synchronized(computeFunction) {
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+ var retry = 0
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+ while (!computed) {
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+ try {
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+ value = computeFunction.call()
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+ computed = true
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+ } catch (e: Throwable) {
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+ if (++retry > 5) {
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+ eu.faircode.email.Log.e(e)
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+ break
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+ }
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+ eu.faircode.email.Log.w(e)
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+ try {
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+ Thread.sleep(2000L)
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+ } catch (ignored: InterruptedException) {
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+ }
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+ }
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+ }
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+ }
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+ if (computed) {
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+ postValue(value)
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+ }
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+ }
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val invalidationRunnable = Runnable {
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- val isActive = hasActiveObservers()
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- if (invalid.compareAndSet(false, true)) {
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- if (isActive) {
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- queryExecutor.execute(refreshRunnable)
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- }
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- }
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- }
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+ val isActive = hasActiveObservers()
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+ if (invalid.compareAndSet(false, true)) {
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+ if (isActive) {
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+ synchronized(lock) {
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+ if (queued.value > 0) {
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+ eu.faircode.email.Log.persist(eu.faircode.email.EntityLog.Type.Debug, "$computeFunction queued=$queued.value")
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+ } else {
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+ queued.value++
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+ queryExecutor.execute(refreshRunnable)
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+ }
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+ }
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+ }
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+ }
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+ }
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@Suppress("UNCHECKED_CAST")
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override fun onActive() {
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- super.onActive()
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- container.onActive(this as LiveData<Any>)
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- queryExecutor.execute(refreshRunnable)
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- }
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+ super.onActive()
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+ container.onActive(this as LiveData<Any>)
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+ synchronized(lock) {
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+ queued.value++
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+ queryExecutor.execute(refreshRunnable)
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+ }
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+ }
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@Suppress("UNCHECKED_CAST")
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override fun onInactive() {
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diff --git a/app/src/main/java/androidx/room/paging/LimitOffsetDataSource.java b/app/src/main/java/androidx/room/paging/LimitOffsetDataSource.java
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index 2b5c391dbc..077ae233e8 100644
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--- a/app/src/main/java/androidx/room/paging/LimitOffsetDataSource.java
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+++ b/app/src/main/java/androidx/room/paging/LimitOffsetDataSource.java
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@@ -153,7 +153,7 @@ public abstract class LimitOffsetDataSource<T> extends androidx.paging.Positiona
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@NonNull LoadInitialCallback<T> callback) {
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registerObserverIfNecessary();
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List<T> list = Collections.emptyList();
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- int totalCount;
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+ int totalCount = 0;
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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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@@ -171,6 +171,8 @@ public abstract class LimitOffsetDataSource<T> extends androidx.paging.Positiona
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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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+ eu.faircode.email.Log.w(ex);
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} finally {
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if (cursor != null) {
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cursor.close();
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