Github user kinow commented on a diff in the pull request:
https://github.com/apache/jena/pull/436#discussion_r195658758
--- Diff:
jena-text/src/main/java/org/apache/jena/query/text/TextIndexLucene.java ---
@@ -316,6 +326,13 @@ protected Document doc(Entity entity) {
if (this.isMultilingual) {
// add a field that uses a language-specific
analyzer via MultilingualAnalyzer
doc.add(new Field(e.getKey() + "_" + lang,
(String) e.getValue(), ftText));
+ // add fields for any defined auxiliary indexes
+ List<String> auxIndexes = Util.getAuxIndexes(lang);
+ if (auxIndexes != null) {
--- End diff --
Never null I believe. We return an empty list when `lang` is empty. And use
a `Hashtable` to keep data. But happy to leave it if you prefer to double-check
it anyway (wonder if we should consider `@Nullable` et `@NotNull` in method
signatures some day)
---
