Github user brosander commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1669#discussion_r111806379
--- Diff:
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/BulletinMerger.java
---
@@ -71,7 +74,12 @@ public int compare(BulletinEntity o1, BulletinEntity o2)
{
}
}
- Collections.sort(bulletinEntities, (BulletinEntity o1,
BulletinEntity o2) -> {
+ final List<BulletinEntity> entities = Lists.newArrayList();
+
+ final Map<String,List<BulletinEntity>> groupingEntities =
bulletinEntities.stream().collect(Collectors.groupingBy(b ->
b.getBulletin().getMessage()));
+ groupingEntities.keySet().stream().forEach(m ->
entities.add(groupingEntities.get(m).get(0)));
--- End diff --
Would streaming values make this operation a little easier?
Something like:
```
groupingEntities.values().stream().map(e ->
e.get(0)).forEach(entities::add);
```
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