[GitHub] ctubbsii commented on a change in pull request #1009: Use appropriate types to prevent casting

[GitBox <gi...@apache.org>]

ctubbsii commented on a change in pull request #1009: Use appropriate types to prevent casting
URL: https://github.com/apache/accumulo/pull/1009#discussion_r261852500
 
 

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 File path: core/src/main/java/org/apache/accumulo/core/clientImpl/ConditionalWriterImpl.java
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 @@ -372,11 +372,8 @@ private void reschedule(SendTask task) {
 
       for (int i = 1; i < mutations.size(); i++) {
         for (Entry<KeyExtent,List<QCMutation>> entry : mutations.get(i).getMutations().entrySet()) {
-          List<QCMutation> list = tsm.getMutations().get(entry.getKey());
-          if (list == null) {
-            list = new ArrayList<>();
-            tsm.getMutations().put(entry.getKey(), list);
-          }
+          List<QCMutation> list = tsm.getMutations().computeIfAbsent(entry.getKey(),
 
 Review comment:
   At this point, you don't even need to assign it to a variable... can just call `addAll` directly on the result.

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