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And some more SonarQube issues #634
This mainly focuses on:
Also sprinkled with some Override annotations and various other fixes at the same time.
When it comes to use of interfaces in B, I've fixed most of the instances regarding either internal usage or parameters coming from the outside. I don't see any regression potential in the former and for the latter a parameter which accepts HashMaps can be generalized to accept Maps because any HashMap will also be a Map. However, I have not touched return types for public methods. A method returning a LinkedList could potentially return a Collection, but since it is part of the public API I have no control over what people have built around and used the return value for. Changing this could potentially break code on the outside, so I've left them alone for now.
There were also a couple of places which specify a LinkedList as the type and are using methods from both List and Deque, so I wasn't able to reduce the type to a single interface.
You did a lot of code refinements over the passed row PR's. Thanks.
I think changing return types to their most specific interface should not pose any harm. We can not move forward without improving the existing code.
You're welcome. I think a good first step is to reduce the overall amount of issues both because most of them are straight-forward fixes which improves code quality but also to make it easier to see when new issues are introduced. You may already be aware of this, but the SonarQube page allows us to see changes over time and between versions. It looks like it is scanned each Saturday so it is easy to see which issues were introduced during the last week of development.
Ok, I figured I'd better check first before I started working on them. It is part of the public API afterall, and I'm not familiar with FitNesse's policy on API changes.
and someone using FitNesse has used this to implement the following method in their code:
So they will need to change the type they assign the result to. That shouldn't be too hard if we go for the most specific one as you mentioned, but still require changes.
As mentioned above, I'm really not sure how to replace LinkedList though, since it implements both List and Deque, which makes it a bit hard to pick which one should be used. (I realize this is proabably one of the reason interfaces are prefered over classes...) "Single-interface" classes shouldn't be a problem though.
Hi Hans-Joachim, hi Arjan,
I am not quite sure, if there is a misunderstanding between both of you (and probably me as well).
Be strict in what you return and flexible in what you accept.
Hi ggramlich, thanks for stopping by and fixing my misconceptions. :)
Btw, ActionFixture.java contains a TODO(code review) which I planned on bringing up in the code review, because I wasn't sure whether to fix the issue or not. Moving the  to the end of the type seems like it would look rather cluttered so I don't know whether that would be better or worse. (I should probably have mentioned it, but I've gotten into the habit of marking things for future discussion and didn't think about it when submitting the PR.)