> On Feb. 11, 2015, 11:54 p.m., Bill Farner wrote:
> > src/main/java/org/apache/aurora/scheduler/filter/SchedulingFilter.java, 
> > line 34
> > <https://reviews.apache.org/r/30890/diff/1/?file=861039#file861039line34>
> >
> >     I feel like `VetoType` still applies and is actually a better name.  
> > It's odd for an enum value to be considered a 'group'.  (When i hear group 
> > i think collection.)
> 
> Maxim Khutornenko wrote:
>     VetoType is used to describe the particular type of veto applied. This 
> enum denotes similar typed Veto groups. I am fine changing it to something 
> else if VetoGroup is confusing. Any suggestions?

My mistake, the diff convinced me that `VetoType` was renamed, but i see that 
it still exists.  How about `VetoReason` and s/`EMPTY`/`NONE`/?  Reads a bit 
more naturally from the calling side, but i don't feel strongly on that.


> On Feb. 11, 2015, 11:54 p.m., Bill Farner wrote:
> > src/main/java/org/apache/aurora/scheduler/filter/SchedulingFilterImpl.java, 
> > line 115
> > <https://reviews.apache.org/r/30890/diff/1/?file=861040#file861040line115>
> >
> >     What's the thought process behind converting this to a `Set`?  The code 
> > doesn't create duplicates, and you pick up the performance hit of a hash 
> > table.
> >     
> >     I'm actually wondering if signatures should use `Iterable` all the way 
> > out of this class.
> 
> Maxim Khutornenko wrote:
>     The only consumer of this method is already converting everything to a 
> set. It feels awkward to have Iterable in places where there should be no 
> duplicates to start with. I am -1 on converting all signatures from Set to 
> Iterable in this class. The interface contract should clearly state the 
> expectations.

I generally agree that `Set` should be preferred to communicate uniqueness to 
callers.  However, in the same vein as the performance sensitivity advised 
above, constructing a hash table non-negligible performance hit.  In case i was 
unclear, i suggest you change the `SchedulingFilter` signature as well, and 
avoid ever turning the result into a `Set`.

How would you feel about peeling off a ticket to explore this?  As i follow the 
result, it looks like it could ripple fairly wide and distract from this 
review.  I might have a chance to pick this up next sprint.


- Bill


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On Feb. 12, 2015, 6:05 p.m., Maxim Khutornenko wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/30890/
> -----------------------------------------------------------
> 
> (Updated Feb. 12, 2015, 6:05 p.m.)
> 
> 
> Review request for Aurora, Kevin Sweeney and Bill Farner.
> 
> 
> Bugs: AURORA-909
>     https://issues.apache.org/jira/browse/AURORA-909
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> Offer filtering for static vetoes. Part 2 of 4: Exposing Veto groups and 
> refactoring TaskVars.
> 
> Will not apply cleanly: diffed with https://reviews.apache.org/r/30888/ as a 
> parent.
> 
> Original RB: https://reviews.apache.org/r/28617/
> 
> 
> Diffs
> -----
> 
>   src/main/java/org/apache/aurora/scheduler/TaskVars.java 
> f017cdd26ca40138a7e141f21613ed567314c399 
>   src/main/java/org/apache/aurora/scheduler/filter/SchedulingFilter.java 
> 6a43bcd1719e8aa32fd3fcb7387d0318c3c0b804 
>   src/main/java/org/apache/aurora/scheduler/filter/SchedulingFilterImpl.java 
> f06fdaeb92e154d0982bdabed5df93e7bcba9048 
>   src/test/java/org/apache/aurora/scheduler/TaskVarsTest.java 
> 4e7efb3c1214c3d193afd61f162713490eb8effb 
>   
> src/test/java/org/apache/aurora/scheduler/filter/SchedulingFilterImplTest.java
>  52ee7c1e3742d9315c7e7aaa77677121e1e9288d 
> 
> Diff: https://reviews.apache.org/r/30890/diff/
> 
> 
> Testing
> -------
> 
> ./gradlew -Pq build
> 
> 
> Thanks,
> 
> Maxim Khutornenko
> 
>

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