Github user trkurc commented on a diff in the pull request:
https://github.com/apache/nifi/pull/123#discussion_r44872470
--- Diff:
nifi-nar-bundles/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/lucene/LuceneUtil.java
---
@@ -160,4 +162,25 @@ public int compare(final Document o1, final Document
o2) {
}
});
}
+
+ /**
+ * Will group documents based on the {@link
FieldNames#STORAGE_FILENAME}.
+ *
+ * @param documents
+ * list of {@link Document}s
+ * @return a {@link Map} of document groups with
+ * {@link FieldNames#STORAGE_FILENAME} as key and {@link List}
of
+ * {@link Document}s as value.
+ */
+ public static Map<String, List<Document>>
groupDocsByStorageFileName(final List<Document> documents) {
--- End diff --
I like this change. It greatly simplifies the code
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