fix(aws-pipes-alpha): properly infer if given deadLetterTarget is IQu…#34876
fix(aws-pipes-alpha): properly infer if given deadLetterTarget is IQu…#34876
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…eue or ITopic instead of using instanceof tests. Prevent custom IQueue implementations of not being set as DeadLetterTargets of Pipes.
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…eue or ITopic instead of using instanceof tests. Prevent custom IQueue implementations of not being set as DeadLetterTargets of Pipes.
Issue # (if applicable)
Closes #34812
Reason for this change
If you create a custom class implementing IQueue or ITopic and try to use it as a DeadLetterTarget of a Pipe DynamoDbStreamSource, it is ignored as the calls to instanceof Queue or Topic fail. Its because IQueue and ITopic are interfaces and not base classes. If I have
class TestQueue implements IQueue {...}, doing(if obj instanceof Queue)will always fail.Description of changes
Instead of testing if its a Queue or Topic with instanceof, since the construct parameters accept IQueue or ITopic, we need to test if the provided object implements IQueue or ITopic.
With the changes provided, as the unit tests show, you can give any object implementing either IQueue or ITopic interfaces and it will be used as a DeadLetterTarget of DynamoDBStream.
Describe any new or updated permissions being added
None.
Description of how you validated changes
All unit tests are passing. I haven't modified any unit test, only added two new that prove that the IQueue or ITopic are used as DeadLetterTarget and we also test that grantPublish or grantSendMessages are appropriately called.
Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license