[GitHub] rdblue commented on issue #28: Apply baseline checkstyle for iceberg-api only

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rdblue commented on issue #28: Apply baseline checkstyle for iceberg-api only
URL: https://github.com/apache/incubator-iceberg/pull/28#issuecomment-445036100
 
 
   I think most of the changes are fine, but I noticed a few things:
   
   * Static imports should come after non-static imports.
   * I like using static imports to cut down on code in symbol references, like EQ instead of Expressions.Operators.EQ.
   * Non-static imports should be a single group in alphabetical order. Not sure why some moved.
   * I definitely prefer UUIDLiteral to UuidLiteral. That's also public API so we should avoid changing it.
   * Some short variable name changes are fine (o -> other) but the L and W variables used in Transforms are from the spec, so I'd rather add an exclusion for them.
   * Some variable name changes lose information, like the use of `classes` instead of `javaClasses`. That was intentional because the class is the one used for the Java in-memory representation.
   * Is `fieldIdToFind` really better than `fieldId`? What rule is this matching? Same with `newStruct` instead of `struct`.
   * Seems like it would be easier to allow or require javadoc sentences to end in '.'
   * Like allowing '.', using operators at the end of a line than a the start of the next would require fewer changes.
   
   I like the updates for:
   
   * Removing public modifiers when the class is package-private or private
   * Requiring a private constructor for classes with only static helpers
   
   Does this enforce a line length of 100 characters?
   
   Why does this require so many Palantir plugins? Are those required?

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