vvysotskyi 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_r211344318
##########
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:
@vrozov, I didn't correctly express my point of view: I don't see a reason
for using methods from third-party libraries if JDK provides methods with
exactly the same functionality. Such usages of third-party libraries should be
prevented for the consistency.
Using methods from JDK is also helps to prevent problems with updating
library versions, since the API of a third-party library may change, but JDK
guarantees backward compatibility.
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