Sample of using LifecycleProxyFactoryBean.

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/config/AbstractMongoClientConfigurationIntegrationTests.java

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+/*
+ * Copyright 2023 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.data.mongodb.config;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.config.LifecycleProxyFactoryBean;
+import org.springframework.data.mongodb.core.MongoTemplate;
+
+import com.mongodb.MongoClientSettings;
+import com.mongodb.client.MongoClient;
+
+/**
+ * @author Oliver Drotbohm
+ */
+class AbstractMongoClientConfigurationIntegrationTests {
+
+	@Test
+	void rebootstrapsMongoClientOnLifecycleRestart() {
+
+		try (ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(SampleConfiguration.class)) {
+
+			MongoTemplate template = context.getBean(MongoTemplate.class);
+			assertThatNoException().isThrownBy(() -> template.findAll(Sample.class));
+
+			context.stop();
+			context.start();
+
+			assertThatNoException().isThrownBy(() -> template.findAll(Sample.class));
+		}
+	}
+
+	static class Sample {}
+
+	static class SampleConfiguration extends AbstractMongoClientConfiguration {
+
+		/*
+		 * (non-Javadoc)
+		 * @see org.springframework.data.mongodb.config.MongoConfigurationSupport#getDatabaseName()
+		 */
+		@Override
+		protected String getDatabaseName() {
+			return "testDatabase";
+		}
+
+		/*
+		 * (non-Javadoc)
+		 * @see org.springframework.data.mongodb.config.AbstractMongoClientConfiguration#mongoClient()
+		 */
+		@Override
+		@Bean
+		public MongoClient mongoClient() {
+			// TODO Auto-generated method stub
+			return super.mongoClient();
+		}
+
+		/*
+		 * (non-Javadoc)
+		 * @see org.springframework.data.mongodb.config.AbstractMongoClientConfiguration#createMongoClient(com.mongodb.MongoClientSettings)
+		 */
+		@Override
+		protected MongoClient createMongoClient(MongoClientSettings settings) {
+
+			return new LifecycleProxyFactoryBean<>(MongoClient.class, () -> super.createMongoClient(settings),
+					it -> it.close()).getObject();
+		}
+	}
+}