vrozov 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_r210980777
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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:
While in this place `Preconditions.checkNotNull()` and
`Objects.requireNonNull()` provide the same functionality, in general guava
`Preconditions` supports template error message that `Objects.requireNonNull`
does not support. I'd recommend keeping `Preconditions.checkNotNull` for
consistency. IMO, it is necessary to remove *deprecated* guava classes, not
*all* references to guava where similar functionality is provided by JDK.
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