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I'm proposing some changes in this review which I think will greatly simplify 
the code.


commons/src/main/java/org/apache/aurora/common/stats/TimeSeriesRepositoryImpl.java
 (line 123)
<https://reviews.apache.org/r/38280/#comment156218>

    A lot of the mechanics here can be removed if BuildInfo just returned a 
Map<String, String>. This means checking of the properties are there and 
checking if the properties can be turned into a string.
    
    Also what is the benefit of turning numeric properties into Longs? 
Shouldn't we just export all the keys as Strings into the stat system?



commons/src/main/java/org/apache/aurora/common/util/BuildInfo.java (line 40)
<https://reviews.apache.org/r/38280/#comment156217>

    Since the properties we are interested in are basically a Map<String, 
String> I suggest we instead store a Map instead of a java properties object 
(which is mutable).
    
    We can initialize it to a an empty ImmutableMap and get rid of the Optional.
    
    `fetchProperties()` can load the properties and transform it into a Map by 
using Guava's `fromProperties` method: 
http://docs.guava-libraries.googlecode.com/git/javadoc/com/google/common/collect/Maps.html#fromProperties%28java.util.Properties%29


- Zameer Manji


On Sept. 16, 2015, 2:53 p.m., Joe Smith wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/38280/
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> 
> (Updated Sept. 16, 2015, 2:53 p.m.)
> 
> 
> Review request for Aurora, Maxim Khutornenko and Zameer Manji.
> 
> 
> Bugs: AURORA-1473
>     https://issues.apache.org/jira/browse/AURORA-1473
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> Restore build properties within Scheduler vars endpoint and snapshots
> 
> 
> Diffs
> -----
> 
>   api/src/main/thrift/org/apache/aurora/gen/storage.thrift 
> 670ba0850987308370e3c766048ad6ba246d9e29 
>   build-support/generate-build-properties PRE-CREATION 
>   build.gradle 9c78aff101793b25e4c1196c170eaf282f73a9bf 
>   
> commons/src/main/java/org/apache/aurora/common/stats/TimeSeriesRepositoryImpl.java
>  c314a0d51e9377c7fe4371a05d7a9375a47a7bf5 
>   commons/src/main/java/org/apache/aurora/common/util/BuildInfo.java 
> PRE-CREATION 
>   
> commons/src/main/java/org/apache/aurora/common/util/testing/FakeBuildInfo.java
>  PRE-CREATION 
>   
> commons/src/test/java/org/apache/aurora/common/stats/TimeSeriesRepositoryImplTest.java
>  89c134315dfdb4c55447032171ec3be8ec73823d 
>   
> src/main/java/org/apache/aurora/scheduler/storage/backup/TemporaryStorage.java
>  d76596c7422786e58b5a8aa79f324911cfd29b25 
>   
> src/main/java/org/apache/aurora/scheduler/storage/log/SnapshotStoreImpl.java 
> 50838de8708d78fc0bd7ee672b7c7ba02dfcd505 
>   src/test/java/org/apache/aurora/scheduler/storage/backup/RecoveryTest.java 
> cc9c066556385c073962903691c037b0c07cc94c 
>   
> src/test/java/org/apache/aurora/scheduler/storage/log/SnapshotStoreImplTest.java
>  6e032a6cef86e5f408bfc0d853a52c7f898d0db8 
> 
> Diff: https://reviews.apache.org/r/38280/diff/
> 
> 
> Testing
> -------
> 
> `./gradlew build -Pq`
> 
> 
> Thanks,
> 
> Joe Smith
> 
>

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