HSEARCH-1968 Add some comments and avoid the same mistake in another …

…usage of the same Lucene method
hibernate · Aug 18, 2015 · cb3a507 · cb3a507
1 parent ed8c8cb
commit cb3a507
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/engine/src/main/java/org/hibernate/search/query/engine/impl/QueryHits.java b/engine/src/main/java/org/hibernate/search/query/engine/impl/QueryHits.java
@@ -414,8 +414,9 @@ private ArrayList<Facet> updateStringFacets(DiscreteFacetRequest facetRequest) t
 		}
 
 		int maxFacetCount = facetRequest.getMaxNumberOfFacets() < 0 ? DEFAULT_FACET_RETRIEVAL_SIZE : facetRequest.getMaxNumberOfFacets();
-		FacetResult facetResult;
+		final FacetResult facetResult;
 		try {
+			// This might return null!
 			facetResult = facetCounts.getTopChildren( maxFacetCount, facetRequest.getFieldName() );
 		}
 		catch (IllegalArgumentException e) {