Add reflection hints for SpringPersistenceUnitInfo

Fixes gh-35655

Author: bclozel

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

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2025-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.persistenceunit;
+
+
+import org.jspecify.annotations.Nullable;
+
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+
+/**
+ * {@link RuntimeHintsRegistrar} implementation that registers runtime hints for
+ * the {@link SpringPersistenceUnitInfo}.
+ *
+ * @author Brian Clozel
+ * @since 7.0
+ */
+public class SpringPersistenceUnitInfoRuntimeHints implements RuntimeHintsRegistrar {
+
+	@Override
+	public void registerHints(RuntimeHints hints, @Nullable ClassLoader classLoader) {
+		hints.reflection().registerType(SpringPersistenceUnitInfo.class, MemberCategory.INVOKE_PUBLIC_METHODS);
+		hints.reflection().registerType(MutablePersistenceUnitInfo.class, MemberCategory.INVOKE_PUBLIC_METHODS);
+	}
+
+}

spring-orm/src/main/resources/META-INF/spring/aot.factories

@@ -2,4 +2,5 @@ org.springframework.beans.factory.aot.BeanRegistrationAotProcessor=\
 org.springframework.orm.jpa.persistenceunit.PersistenceManagedTypesBeanRegistrationAotProcessor
 
 org.springframework.aot.hint.RuntimeHintsRegistrar=\
-org.springframework.orm.jpa.EntityManagerRuntimeHints
+org.springframework.orm.jpa.EntityManagerRuntimeHints,\
+org.springframework.orm.jpa.persistenceunit.SpringPersistenceUnitInfoRuntimeHints

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

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2025-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.persistenceunit;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
+import org.springframework.beans.factory.aot.AotServices;
+import org.springframework.util.ClassUtils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link SpringPersistenceUnitInfoRuntimeHints}.
+ *
+ * @author Brian Clozel
+ */
+class SpringPersistenceUnitInfoRuntimeHintsTests {
+
+	private final RuntimeHints hints = new RuntimeHints();
+
+	@BeforeEach
+	void setup() {
+		AotServices.factories().load(RuntimeHintsRegistrar.class)
+				.forEach(registrar -> registrar.registerHints(this.hints,
+						ClassUtils.getDefaultClassLoader()));
+	}
+
+	@Test
+	void springPersistenceUnitInfoHasReflectionHints() {
+		assertThat(RuntimeHintsPredicates.reflection()
+				.onMethodInvocation(SpringPersistenceUnitInfo.class, "setPersistenceProviderPackageName"))
+				.accepts(this.hints);
+	}
+
+}