From 9a5652ba7be55d66d816cfd467b1e45afc4fb8dd Mon Sep 17 00:00:00 2001
From: Cedomir Igaly <cedomir.igaly@e-dama.net>
Date: Thu, 8 Jun 2023 14:14:03 +0200
Subject: [PATCH] HHH-16759 - ComponentType.isMutable should return false when
 component is record; replace method(s) should return original for immutable
 classes

---
 .../main/java/org/hibernate/type/ComponentType.java   | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java b/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java
index b9b7e2241a..7ca3588bd3 100644
--- a/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java
+++ b/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java
@@ -26,6 +26,7 @@ import org.hibernate.engine.spi.Mapping;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.engine.spi.SharedSessionContractImplementor;
 import org.hibernate.generator.Generator;
+import org.hibernate.internal.util.ReflectHelper;
 import org.hibernate.internal.util.StringHelper;
 import org.hibernate.internal.util.collections.ArrayHelper;
 import org.hibernate.mapping.Component;
@@ -49,6 +50,7 @@ import org.hibernate.usertype.CompositeUserType;
  */
 public class ComponentType extends AbstractType implements CompositeTypeImplementor, ProcedureParameterExtractionAware {
 	private final Class<?> componentClass;
+	private final boolean mutable;
 
 	private final String[] propertyNames;
 	private final Type[] propertyTypes;
@@ -112,6 +114,7 @@ public class ComponentType extends AbstractType implements CompositeTypeImplemen
 		else {
 			this.compositeUserType = null;
 		}
+		this.mutable = !ReflectHelper.isRecord( componentClass ) && ( compositeUserType == null || compositeUserType.isMutable() );
 	}
 
 	private boolean isAggregate() {
@@ -527,6 +530,9 @@ public class ComponentType extends AbstractType implements CompositeTypeImplemen
 			Object owner,
 			Map<Object, Object> copyCache) {
 
+		if ( !isMutable() ) {
+			return original;
+		}
 		if ( original == null ) {
 			return null;
 		}
@@ -575,6 +581,9 @@ public class ComponentType extends AbstractType implements CompositeTypeImplemen
 			Map<Object, Object> copyCache,
 			ForeignKeyDirection foreignKeyDirection) {
 
+		if ( !isMutable() ) {
+			return original;
+		}
 		if ( original == null ) {
 			return null;
 		}
@@ -623,7 +632,7 @@ public class ComponentType extends AbstractType implements CompositeTypeImplemen
 
 	@Override
 	public boolean isMutable() {
-		return compositeUserType == null || compositeUserType.isMutable();
+		return mutable;
 	}
 
 	@Override