Add hints for entities package-private methods

Closes gh-35711

spring-orm/src/main/java/org/springframework/orm/jpa/persistenceunit/PersistenceManagedTypesBeanRegistrationAotProcessor.java

@@ -137,6 +137,7 @@ class PersistenceManagedTypesBeanRegistrationAotProcessor implements BeanRegistr
 					contributeConverterHints(hints, managedClass);
 					contributeCallbackHints(hints, managedClass);
 					contributeHibernateHints(hints, classLoader, managedClass);
+					contributePackagePrivateHints(hints, managedClass);
 				}
 				catch (ClassNotFoundException ex) {
 					throw new IllegalArgumentException("Failed to instantiate JPA managed class: " + managedClassName, ex);
@@ -234,6 +235,18 @@ class PersistenceManagedTypesBeanRegistrationAotProcessor implements BeanRegistr
 			}
 		}
 
+		private void contributePackagePrivateHints(RuntimeHints hints, Class<?> managedClass) {
+			ReflectionHints reflection = hints.reflection();
+			ReflectionUtils.doWithMethods(managedClass, method ->
+							reflection.registerMethod(method, ExecutableMode.INVOKE),
+					method -> {
+						int modifiers = method.getModifiers();
+						return !(java.lang.reflect.Modifier.isProtected(modifiers) ||
+								java.lang.reflect.Modifier.isPrivate(modifiers) ||
+								java.lang.reflect.Modifier.isPublic(modifiers));
+					});
+		}
+
 		@SuppressWarnings("unchecked")
 		@Nullable
 		private static Class<? extends Annotation> loadClass(String className, @Nullable ClassLoader classLoader) {

spring-orm/src/test/java/org/springframework/orm/jpa/domain/Car.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2002-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.orm.jpa.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Entity
+public class Car {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Integer id;
+
+	@Column
+	private String model;
+
+	Integer getId() {
+		return id;
+	}
+
+	void setId(Integer id) {
+		this.id = id;
+	}
+
+	void setModel(String model) {
+		this.model = model;
+	}
+
+	String getModel() {
+		return model;
+	}
+}

spring-orm/src/test/java/org/springframework/orm/jpa/persistenceunit/PersistenceManagedTypesBeanRegistrationAotProcessorTests.java

@@ -38,6 +38,7 @@ import org.springframework.core.test.tools.Compiled;
 import org.springframework.core.test.tools.TestCompiler;
 import org.springframework.orm.jpa.JpaVendorAdapter;
 import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.domain.Car;
 import org.springframework.orm.jpa.domain.DriversLicense;
 import org.springframework.orm.jpa.domain.Employee;
 import org.springframework.orm.jpa.domain.EmployeeCategoryConverter;
@@ -71,7 +72,7 @@ class PersistenceManagedTypesBeanRegistrationAotProcessorTests {
 					"persistenceManagedTypes", PersistenceManagedTypes.class);
 			assertThat(persistenceManagedTypes.getManagedClassNames()).containsExactlyInAnyOrder(
 					DriversLicense.class.getName(), Person.class.getName(), Employee.class.getName(),
-					EmployeeLocationConverter.class.getName());
+					EmployeeLocationConverter.class.getName(), Car.class.getName());
 			assertThat(persistenceManagedTypes.getManagedPackages()).isEmpty();
 			assertThat(freshApplicationContext.getBean(
 					JpaDomainConfiguration.class).scanningInvoked).isFalse();
@@ -104,6 +105,14 @@ class PersistenceManagedTypesBeanRegistrationAotProcessorTests {
 					.withMemberCategories(MemberCategory.INVOKE_DECLARED_CONSTRUCTORS)).accepts(hints);
 			assertThat(RuntimeHintsPredicates.reflection().onType(EmployeeLocation.class)
 					.withMemberCategories(MemberCategory.DECLARED_FIELDS)).accepts(hints);
+			assertThat(RuntimeHintsPredicates.reflection().onMethod(Car.class, "setId")
+					.invoke()).accepts(hints);
+			assertThat(RuntimeHintsPredicates.reflection().onMethod(Car.class, "getId")
+					.invoke()).accepts(hints);
+			assertThat(RuntimeHintsPredicates.reflection().onMethod(Car.class, "setModel")
+					.invoke()).accepts(hints);
+			assertThat(RuntimeHintsPredicates.reflection().onMethod(Car.class, "getModel")
+					.invoke()).accepts(hints);
 		});
 	}
 

spring-orm/src/test/java/org/springframework/orm/jpa/persistenceunit/PersistenceManagedTypesScannerTests.java

@@ -23,6 +23,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.context.testfixture.index.CandidateComponentsTestClassLoader;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.DefaultResourceLoader;
+import org.springframework.orm.jpa.domain.Car;
 import org.springframework.orm.jpa.domain.DriversLicense;
 import org.springframework.orm.jpa.domain.Employee;
 import org.springframework.orm.jpa.domain.EmployeeLocationConverter;
@@ -52,7 +53,7 @@ class PersistenceManagedTypesScannerTests {
 		PersistenceManagedTypes managedTypes = this.scanner.scan("org.springframework.orm.jpa.domain");
 		assertThat(managedTypes.getManagedClassNames()).containsExactlyInAnyOrder(
 				Person.class.getName(), DriversLicense.class.getName(), Employee.class.getName(),
-				EmployeeLocationConverter.class.getName());
+				EmployeeLocationConverter.class.getName(), Car.class.getName());
 		assertThat(managedTypes.getManagedPackages()).isEmpty();
 	}
 
@@ -66,6 +67,7 @@ class PersistenceManagedTypesScannerTests {
 		verify(filter).matches(DriversLicense.class.getName());
 		verify(filter).matches(Employee.class.getName());
 		verify(filter).matches(EmployeeLocationConverter.class.getName());
+		verify(filter).matches(Car.class.getName());
 		verifyNoMoreInteractions(filter);
 	}