fix: handle @NumericIndexed in nested classes within metamodel generator (#613)

Author: bsbodden

redis-om-spring/src/main/java/com/redis/om/spring/metamodel/MetamodelGenerator.java

@@ -636,7 +636,9 @@ private List<Triple<ObjectGraphFieldSpec, FieldSpec, CodeBlock>> processNestedIn
 
     enclosedFields.forEach((field, getter) -> {
       boolean fieldIsIndexed = (field.getAnnotation(Indexed.class) != null) || (field.getAnnotation(
-          Searchable.class) != null);
+          Searchable.class) != null) || (field.getAnnotation(NumericIndexed.class) != null) || (field.getAnnotation(
+              TagIndexed.class) != null) || (field.getAnnotation(TextIndexed.class) != null) || (field.getAnnotation(
+                  GeoIndexed.class) != null) || (field.getAnnotation(VectorIndexed.class) != null);
       boolean generateMetamodel = field.getAnnotation(Metamodel.class) != null;
 
       if (fieldIsIndexed || generateMetamodel) {

tests/src/test/java/com/redis/om/spring/annotations/document/NumericIndexedNestedTest.java

@@ -0,0 +1,55 @@
+package com.redis.om.spring.annotations.document;
+
+import com.redis.om.spring.AbstractBaseDocumentTest;
+import com.redis.om.spring.fixtures.document.model.AddressWithNumericIndexed;
+import com.redis.om.spring.fixtures.document.model.ValidDocumentIndexedNestedWithNumericIndexed;
+import com.redis.om.spring.fixtures.document.model.ValidDocumentIndexedNestedWithNumericIndexed$;
+import com.redis.om.spring.fixtures.document.repository.ValidDocumentIndexedNestedWithNumericIndexedRepository;
+import com.redis.om.spring.search.stream.EntityStream;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class NumericIndexedNestedTest extends AbstractBaseDocumentTest {
+  
+  @Autowired
+  ValidDocumentIndexedNestedWithNumericIndexedRepository repository;
+  
+  @Autowired
+  EntityStream entityStream;
+
+  @BeforeEach
+  void setup() {
+    repository.deleteAll();
+  }
+
+  @Test
+  void testNestedNumericIndexedMetamodelGeneration() {
+    // Test that the metamodel is generated correctly for nested @NumericIndexed fields
+    
+    // Create test data
+    ValidDocumentIndexedNestedWithNumericIndexed doc = ValidDocumentIndexedNestedWithNumericIndexed.of("doc1");
+    AddressWithNumericIndexed address = new AddressWithNumericIndexed();
+    address.setStreet("123 Main St");
+    address.setCity("Anytown");
+    address.setZipCode(12345);
+    doc.setAddress(address);
+    
+    repository.save(doc);
+    
+    // Test that we can query using the metamodel
+    // This should work if the metamodel is generated correctly
+    List<ValidDocumentIndexedNestedWithNumericIndexed> results = entityStream
+        .of(ValidDocumentIndexedNestedWithNumericIndexed.class)
+        .filter(ValidDocumentIndexedNestedWithNumericIndexed$.ADDRESS_ZIP_CODE.eq(12345))
+        .collect(Collectors.toList());
+    
+    assertThat(results).hasSize(1);
+    assertThat(results.get(0).getAddress().getZipCode()).isEqualTo(12345);
+  }
+}

tests/src/test/java/com/redis/om/spring/fixtures/document/model/AddressWithNumericIndexed.java

@@ -0,0 +1,13 @@
+package com.redis.om.spring.fixtures.document.model;
+
+import com.redis.om.spring.annotations.NumericIndexed;
+import lombok.Data;
+
+@Data
+public class AddressWithNumericIndexed {
+  private String street;
+  private String city;
+  
+  @NumericIndexed
+  private Integer zipCode;
+}

tests/src/test/java/com/redis/om/spring/fixtures/document/model/ValidDocumentIndexedNestedWithNumericIndexed.java

@@ -0,0 +1,21 @@
+package com.redis.om.spring.fixtures.document.model;
+
+import com.redis.om.spring.annotations.Document;
+import com.redis.om.spring.annotations.Indexed;
+import lombok.Data;
+import lombok.NonNull;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.annotation.Id;
+
+@Data
+@RequiredArgsConstructor(staticName = "of")
+@Document
+public class ValidDocumentIndexedNestedWithNumericIndexed {
+
+  @Id
+  @NonNull
+  private String id;
+
+  @Indexed
+  private AddressWithNumericIndexed address;
+}

tests/src/test/java/com/redis/om/spring/fixtures/document/repository/ValidDocumentIndexedNestedWithNumericIndexedRepository.java

@@ -0,0 +1,7 @@
+package com.redis.om.spring.fixtures.document.repository;
+
+import com.redis.om.spring.fixtures.document.model.ValidDocumentIndexedNestedWithNumericIndexed;
+import com.redis.om.spring.repository.RedisDocumentRepository;
+
+public interface ValidDocumentIndexedNestedWithNumericIndexedRepository extends RedisDocumentRepository<ValidDocumentIndexedNestedWithNumericIndexed, String> {
+}