Add support for private init/destroy methods in AOT mode

spring-beans/src/main/java/org/springframework/beans/factory/annotation/InitDestroyAnnotationBeanPostProcessor.java

@@ -180,7 +180,7 @@ private LifecycleMetadata findInjectionMetadata(RootBeanDefinition beanDefinitio
 	}
 
 	private String[] safeMerge(@Nullable String[] existingNames, Collection<LifecycleElement> detectedElements) {
-		Stream<String> detectedNames = detectedElements.stream().map(LifecycleElement::getIdentifier);
+		Stream<String> detectedNames = detectedElements.stream().map(LifecycleElement::getMethod).map(Method::getName);
 		Stream<String> mergedNames = (existingNames != null ?
 				Stream.concat(Stream.of(existingNames), detectedNames) : detectedNames);
 		return mergedNames.distinct().toArray(String[]::new);

spring-beans/src/test/java/org/springframework/beans/factory/annotation/InitDestroyAnnotationBeanPostProcessorTests.java

@@ -27,6 +27,7 @@
 import org.springframework.beans.testfixture.beans.factory.generator.lifecycle.Init;
 import org.springframework.beans.testfixture.beans.factory.generator.lifecycle.InitDestroyBean;
 import org.springframework.beans.testfixture.beans.factory.generator.lifecycle.MultiInitDestroyBean;
+import org.springframework.beans.testfixture.beans.factory.generator.lifecycle.PrivateInitDestroyBean;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -58,6 +59,15 @@ void processAheadOfTimeWhenHasInitDestroyAnnotationsAddsMethodNames() {
 		assertThat(mergedBeanDefinition.getDestroyMethodNames()).containsExactly("destroyMethod");
 	}
 
+	@Test
+	void processAheadOfTimeWhenHasPrivateInitDestroyAnnotationsAddsMethodNames() {
+		RootBeanDefinition beanDefinition = new RootBeanDefinition(PrivateInitDestroyBean.class);
+		processAheadOfTime(beanDefinition);
+		RootBeanDefinition mergedBeanDefinition = getMergedBeanDefinition();
+		assertThat(mergedBeanDefinition.getInitMethodNames()).containsExactly("initMethod");
+		assertThat(mergedBeanDefinition.getDestroyMethodNames()).containsExactly("destroyMethod");
+	}
+
 	@Test
 	void processAheadOfTimeWhenHasInitDestroyAnnotationsAndCustomDefinedMethodNamesAddsMethodNames() {
 		RootBeanDefinition beanDefinition = new RootBeanDefinition(InitDestroyBean.class);

spring-beans/src/testFixtures/java/org/springframework/beans/testfixture/beans/factory/generator/lifecycle/PrivateInitDestroyBean.java

@@ -0,0 +1,35 @@
+/*
+ * 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.beans.testfixture.beans.factory.generator.lifecycle;
+
+public class PrivateInitDestroyBean {
+
+	@Init
+	private void initMethod() {
+	}
+
+	public void customInitMethod() {
+	}
+
+	@Destroy
+	private void destroyMethod() {
+	}
+
+	public void customDestroyMethod() {
+	}
+
+}