From 0393d07f314a4d731f8d0c91dacd1d1f4bb37ffa Mon Sep 17 00:00:00 2001
From: Alexey Shtele <steleal@yandex.ru>
Date: Thu, 15 Aug 2024 10:11:51 +0300
Subject: [PATCH] GH-101 Fix is_array on index of single object field

---
 .../reindexer/annotations/ReindexAnnotationScanner.java      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/rt/restream/reindexer/annotations/ReindexAnnotationScanner.java b/src/main/java/ru/rt/restream/reindexer/annotations/ReindexAnnotationScanner.java
index 35d07b9..4523dc7 100644
--- a/src/main/java/ru/rt/restream/reindexer/annotations/ReindexAnnotationScanner.java
+++ b/src/main/java/ru/rt/restream/reindexer/annotations/ReindexAnnotationScanner.java
@@ -129,11 +129,14 @@ List<ReindexerIndex> parseIndexes(Class<?> itemClass, boolean subArray, String r
             Json json = field.getAnnotation(Json.class);
             String jsonPath = jsonBasePath + (json == null ? field.getName() : json.value());
             FieldInfo fieldInfo = getFieldInfo(field);
+
+            // If at least one array (collection) is encountered on a nested path for some field,
+            // or the field itself is an array, then the index on it must also be an array.
             if (subArray) {
                 fieldInfo.isArray = true;
             }
             if (COMPOSITE == fieldInfo.fieldType && !fieldInfo.isArray) {
-                List<ReindexerIndex> nested = parseIndexes(field.getType(), true, reindexPath, jsonPath, joined);
+                List<ReindexerIndex> nested = parseIndexes(field.getType(), subArray, reindexPath, jsonPath, joined);
                 indexes.addAll(nested);
             } else if ((fieldInfo.isArray) && fieldInfo.componentType != null
                     && getFieldTypeByClass(fieldInfo.componentType) == COMPOSITE) {