alexeyinkin commented on code in PR #24338:
URL: https://github.com/apache/beam/pull/24338#discussion_r1031605265
##########
playground/frontend/playground_components/lib/src/controllers/example_loaders/examples_loader.dart:
##########
@@ -48,58 +50,98 @@ class ExamplesLoader {
_playgroundController = value;
}
+ /// Loads examples from [descriptor]'s immediate list.
+ ///
+ /// Sets empty editor for SDKs of failed examples.
Future<void> load(ExamplesLoadingDescriptor descriptor) async {
if (_descriptor == descriptor) {
return;
}
_descriptor = descriptor;
- await Future.wait(
- descriptor.descriptors.map(
- (one) => loadOne(group: descriptor, one: one),
- ),
- );
+ final loaders = descriptor.descriptors.map(_createLoader).whereNotNull();
+
+ try {
+ final loadFutures = loaders.map(_loadOne);
+ await Future.wait(loadFutures);
+ } on Exception catch (ex) {
+ _emptyMissing(loaders);
+ throw ExampleLoadingException(ex);
+ }
final sdk = descriptor.initialSdk;
if (sdk != null) {
_playgroundController!.setSdk(sdk);
}
}
- Future<void> loadDefaultIfAny(Sdk sdk) async {
- final group = _descriptor;
- final one = group?.lazyLoadDescriptors[sdk]?.firstOrNull;
+ ExampleLoader? _createLoader(ExampleLoadingDescriptor descriptor) {
+ final loader = defaultFactory.create(
+ descriptor: descriptor,
+ exampleCache: _playgroundController!.exampleCache,
+ );
- if (group == null || one == null) {
+ if (loader == null) {
+ // TODO: Log.
Review Comment:
`+`
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