vdiravka commented on a change in pull request #1397: DRILL-6633: Replace usage
of Guava classes by JDK ones
URL: https://github.com/apache/drill/pull/1397#discussion_r211213987
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File path: common/src/test/java/org/apache/drill/test/SubDirTestWatcher.java
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@@ -83,10 +84,10 @@
private List<Path> subDirs;
protected SubDirTestWatcher(File baseDir, boolean createAtBeginning, boolean
deleteAtEnd, List<Path> subDirs) {
- this.baseDir = Preconditions.checkNotNull(baseDir);
+ this.baseDir = Objects.requireNonNull(baseDir);
this.createAtBeginning = createAtBeginning;
this.deleteAtEnd = deleteAtEnd;
- this.subDirs = Preconditions.checkNotNull(subDirs);
+ this.subDirs = Objects.requireNonNull(subDirs);
Preconditions.checkArgument(!subDirs.isEmpty(), "The list of subDirs is
empty.");
Review comment:
`Objects.requireNonNull` is introduced mostly for `Streams`, but not for
replacing Guava Preconditions.
From other hand they have the same implementation. Except
`Preconditions.checkNotNull()` overloaded method with NPE error message
formatting and Guava recommends to use Preconditions, see [Guava
master](https://github.com/google/guava/blob/master/guava/src/com/google/common/base/Preconditions.java#L93).
Looks like Calcite project replaces these methods, see [Calcite
master](https://github.com/apache/calcite/blob/3fa29455664bec0056c436491b369e0cd72242ea/src/main/config/forbidden-apis/signatures.txt#L58),
but Apex doesn't replace them.
Since we stay with Guava it could be reasonably to follow their
documentation.
But it is not critical, so I will leave the decision for you.
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