Add reflection hint for EmbeddedDataSourceProxy#shutdown

This commit adds a reflection hint on
EmbeddedDatabaseFactory$EmbeddedDataSourceProxy#shutdown when
EmbeddedDatabaseFactory is reachable in order to allow its usage
as bean destroy method.

Closes gh-29259

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/embedded/EmbeddedDatabaseFactoryRuntimeHints.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2002-2022 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.jdbc.datasource.embedded;
+
+import java.util.Collections;
+
+import org.springframework.aot.hint.ExecutableMode;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+
+/**
+ * {@link RuntimeHintsRegistrar} implementation that registers reflection hints for
+ * {@code EmbeddedDataSourceProxy#shutdown} in order to allow it to be used as a bean
+ * destroy method.
+ *
+ * @author Sebastien Deleuze
+ * @since 6.0
+ */
+class EmbeddedDatabaseFactoryRuntimeHints implements RuntimeHintsRegistrar {
+
+	@Override
+	public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
+		hints.reflection().registerTypeIfPresent(classLoader,
+				"org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseFactory$EmbeddedDataSourceProxy",
+				builder -> builder
+						.onReachableType(EmbeddedDatabaseFactory.class)
+						.withMethod("shutdown", Collections.emptyList(), ExecutableMode.INVOKE));
+	}
+
+}

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

@@ -0,0 +1,2 @@
+org.springframework.aot.hint.RuntimeHintsRegistrar=\
+org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseFactoryRuntimeHints

spring-jdbc/src/test/java/org/springframework/jdbc/datasource/embedded/EmbeddedDatabaseFactoryRuntimeHintsTests.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2002-2022 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.jdbc.datasource.embedded;
+
+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.core.io.support.SpringFactoriesLoader;
+import org.springframework.util.ClassUtils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link EmbeddedDatabaseFactoryRuntimeHints}.
+ *
+ * @author Sebastien Deleuze
+ */
+public class EmbeddedDatabaseFactoryRuntimeHintsTests {
+
+	private RuntimeHints hints;
+
+	@BeforeEach
+	void setup() {
+		this.hints = new RuntimeHints();
+		SpringFactoriesLoader.forResourceLocation("META-INF/spring/aot.factories")
+				.load(RuntimeHintsRegistrar.class).forEach(registrar -> registrar
+						.registerHints(this.hints, ClassUtils.getDefaultClassLoader()));
+	}
+
+	@Test
+	void embeddedDataSourceProxyTypeHasHint() throws ClassNotFoundException {
+		assertThat(RuntimeHintsPredicates.reflection()
+				.onMethod("org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseFactory$EmbeddedDataSourceProxy", "shutdown"))
+				.accepts(this.hints);
+	}
+
+}