From 816b29d390e543f7812ea6210a7a75e4f2c63f3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=8Cedomir=20Igaly?= <cedomir.igaly@e-dama.net>
Date: Thu, 28 Nov 2024 18:24:29 +0100
Subject: [PATCH] HHH-18894 Create and return new EnumJavaType object if class
 name represents enum that is not currently known

---
 .../model/domain/internal/JpaMetamodelImpl.java  | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/JpaMetamodelImpl.java b/hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/JpaMetamodelImpl.java
index 12601134a37..ba867dbca70 100644
--- a/hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/JpaMetamodelImpl.java
+++ b/hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/JpaMetamodelImpl.java
@@ -319,7 +319,21 @@ public Set<EmbeddableType<?>> getEmbeddables() {
 
 	@Override
 	public EnumJavaType<?> getEnumType(String className) {
-		return enumJavaTypes.get( className );
+		final EnumJavaType<?> enumJavaType = enumJavaTypes.get( className );
+		if ( enumJavaType != null ) {
+			return enumJavaType;
+		}
+		final ClassLoaderService classLoaderService = serviceRegistry.getService( ClassLoaderService.class );
+		try {
+			final Class<Object> clazz = classLoaderService.classForName( className );
+			if ( clazz == null || !clazz.isEnum() ) {
+				return null;
+			}
+			return new EnumJavaType( clazz );
+		}
+		catch (ClassLoadingException e) {
+			throw new RuntimeException( e );
+		}
 	}
 
 	@Override