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https://issues.apache.org/jira/browse/MAHOUT-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12898349#action_12898349
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Sean Owen commented on MAHOUT-480:
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Good one, though the thrust of my message on the dev@ thread was that we ought
to do argument checking across the entire codebase this way, or not. I don't
want to use Guava in 5 classes only.
But I am at the least happy to make sure that the behavior of the code matches
what's in this patch.
> Replace manual precondition checking with Precondition utility class from
> Guava
> -------------------------------------------------------------------------------
>
> Key: MAHOUT-480
> URL: https://issues.apache.org/jira/browse/MAHOUT-480
> Project: Mahout
> Issue Type: Improvement
> Components: Clustering
> Reporter: Eugen Paraschiv
> Priority: Minor
> Fix For: 0.4
>
> Attachments: MAHOUT-480.patch
>
>
> Replace manual precondition checking with the Precondition class. This will
> affect the following classes:
> FileDataModel
> MemoryDiffStorage
> SlopeOneRecommender
> FileDiffStorage
> AbstractJDBCDiffStorage
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