PragmaTwice commented on code in PR #1405:
URL:
https://github.com/apache/incubator-kvrocks/pull/1405#discussion_r1180405528
##########
src/types/redis_stream_base.cc:
##########
@@ -85,39 +79,48 @@ Status ParseStreamEntryID(const std::string &input,
StreamEntryID *id) {
return Status::OK();
}
-Status ParseNewStreamEntryID(const std::string &input, NewStreamEntryID *id) {
+std::unique_ptr<NextStreamEntryIDGenerationStrategy>
ParseNextStreamEntryIDStrategy(const std::string &input) {
Review Comment:
From my side, I recommend you to use something like
`StatusOr<std::unique_ptr<NextStreamEntryIDGenerationStrategy>>` instead of
exceptions, e.g.
```c++
StatusOr<std::unique_ptr<NextStreamEntryIDGenerationStrategy>>
ParseNextStreamEntryIDStrategy(const std::string &input) {
...
if (...) {
return {Status::NotOk, "some reason..."};
} else {
return std::make_unique<SomeDerivedClass>(...);
}
...
}
```
And use it as usual:
```c++
auto res = ParseNextStreamEntryIDStrategy(...);
if (res.IsOK()) {
(*res)->AnyMethod(); // or `std::unique_ptr x = std::move(*res);`, whatever
} else {
// print or forward `res.Msg()`, or `return res` directly
}
```
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