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https://issues.apache.org/jira/browse/DRILL-6633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16583884#comment-16583884
 ] 

ASF GitHub Bot commented on DRILL-6633:
---------------------------------------

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_r210847475
 
 

 ##########
 File path: 
common/src/main/java/org/apache/drill/common/collections/MapWithOrdinal.java
 ##########
 @@ -129,22 +127,17 @@ public void clear() {
 
     @Override
     public Collection<V> values() {
-      return Lists.newArrayList(Iterables.transform(secondary.entries(), new 
Function<IntObjectMap.Entry<V>, V>() {
-        @Override
-        public V apply(IntObjectMap.Entry<V> entry) {
-          return Preconditions.checkNotNull(entry).value();
-        }
-      }));
+      return StreamSupport.stream(secondary.entries().spliterator(), false)
+          .map(entry -> Objects.requireNonNull(entry).value())
+          .collect(Collectors.toList());
     }
 
     @Override
     public Set<Entry<K, V>> entrySet() {
-      return Sets.newHashSet(Iterables.transform(primary.entrySet(), new 
Function<Entry<K, Entry<Integer, V>>, Entry<K, V>>() {
-        @Override
-        public Entry<K, V> apply(Entry<K, Entry<Integer, V>> entry) {
-          return new AbstractMap.SimpleImmutableEntry<>(entry.getKey(), 
entry.getValue().getValue());
-        }
-      }));
+      return primary.entrySet().stream()
+          .map((Function<Entry<K, Entry<Integer, V>>, Entry<K, V>>) entry ->
 
 Review comment:
   Thanks for pointing this, removed.

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> Replace usage of Guava classes by JDK ones
> ------------------------------------------
>
>                 Key: DRILL-6633
>                 URL: https://issues.apache.org/jira/browse/DRILL-6633
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.14.0
>            Reporter: Volodymyr Vysotskyi
>            Assignee: Volodymyr Vysotskyi
>            Priority: Major
>             Fix For: 1.15.0
>
>
> Currently, Drill uses classes from Guava which can be replaced after moving 
> to JDK 8.



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