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feat: safe dispose while _sync

This commit is contained in:
Lukas Lihotzki 2020-08-21 17:20:26 +02:00
parent 09ffa09404
commit d6b97b8e78
1 changed files with 9 additions and 2 deletions
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11
lib/src/client.dart
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@ -675,18 +675,19 @@ class Client extends MatrixApi {
_lastSyncError = e;
return null;
});
if (_disposed) return;
final hash = _syncRequest.hashCode;
final syncResp = await _syncRequest;
if (_disposed) return;
if (syncResp == null) throw _lastSyncError;
if (hash != _syncRequest.hashCode) return;
if (database != null) {
await database.transaction(() async {
_currentTransaction = database.transaction(() async {
await handleSync(syncResp);
if (prevBatch != syncResp.nextBatch) {
await database.storePrevBatch(syncResp.nextBatch, id);
}
});
await _currentTransaction;
} else {
await handleSync(syncResp);
}
@ -1445,11 +1446,17 @@ class Client extends MatrixApi {
}
bool _disposed = false;
Future _currentTransaction = Future.sync(() => {});
/// Stops the synchronization and closes the database. After this
/// you can safely make this Client instance null.
Future<void> dispose({bool closeDatabase = false}) async {
_disposed = true;
try {
await _currentTransaction;
} catch (_) {
// No-OP
}
if (closeDatabase) await database?.close();
database = null;
return;