Update guidelins and add kiro steering docs#6280
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| return fallbackData(); | ||
| }, executor); | ||
| ``` | ||
| - **Use appropriate completion methods**: |
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what about whenComplete? We use it a lot
| - If the class does not implement `Supplier`: `{Noun}Provider` (e.g. `AwsCredentialsProvider`) | ||
| - If the "get" method has parameters: `{Noun}Factory` (e.g. `AwsJsonProtocolFactory`) | ||
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| #### Service-specific classes |
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Does this section seems a bit restrictive? We don't want any other options?
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This is actually from the existing guideline
| - `Optional` **SHOULD** be used when it is not obvious to a caller whether a result will be null | ||
| - `Optional` **MUST NOT** be used for "getters" in generated service model classes | ||
| - For member variables: `Optional` **SHOULD NOT** be used | ||
| - For method parameters: `Optional` **MUST NOT** be used |
| ``` | ||
| - `equals()`: Compare all fields for equality, including proper null handling | ||
| - `hashCode()`: Include all fields in the hash code calculation | ||
| - Consider using IDE-generated implementations |
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Is this guidance useful for kiro? I think we often use the intelliJ auto-generated implementations, but not sure that will apply well here. I think the guidance maybe should be either: use java.util.Objects helpers or write explicit code.
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Removed this for now, will follow up in a separate PR
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Should we add a mixed version compatibility guidance? |
| @@ -0,0 +1,133 @@ | |||
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| title: Asynchronous Programming Guidelines for AWS SDK v2 | |||
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Doesn't have to be in this PR but I think some guidance around locking and shared resources would be good too. For example w.r.t issues we had around making sure SdkUri/BoundedCache are performant
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Ack. We can follow up in a separate PR
| future.thenAccept(result -> processResult(result)); | ||
| ``` | ||
| - **Add stacktrace to exceptions**: When using `CompletableFuture#join`, use `CompletableFutureUtils#joinLikeSync` to preserve stacktraces | ||
| - **Don't ignore results**: Never ignore the result of a new `CompletionStage` if the parent stage can fail (unless you're absolutely sure it's safe to) |
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Might be good to add an example for this one, it might not be immediately apparent. e.g.
CountDownLatch latch = new CountDownLatch(1);
CompletableFuture<URL> future = new CompletableFuture<>();
future.thenRun(url -> {
downloadUrl(url);
latch.countDown();
});
latch.await();
.kiro/steering/testing-guidelines.md
Outdated
| - Avoid excessive stubbing - it can make tests brittle and hard to maintain | ||
| - [Wiremock](https://wiremock.org/) is commonly used to mock server responses in functional tests | ||
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| ## Testing Asynchronous Code |
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Another useful method is sometimes we run hundreds/thousands of iterations of a test to ensure that none of the iterations fail, which is helpful for testing race conditions
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Ack. We can follow up in a separate PR
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6 participants
Motivation and Context
Add kiro steering docs. I added existing guidelines from docs folder and internal docs. I also added additional guidelines that came to my mind.