diff --git a/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/EagerInitializationAutoConfiguration.java b/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/EagerInitializationAutoConfiguration.java new file mode 100644 index 0000000000..969597ab3a --- /dev/null +++ b/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/EagerInitializationAutoConfiguration.java @@ -0,0 +1,64 @@ +/* + * Copyright 2012-2019 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 + * + * http://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.boot.devtools.autoconfigure; + +import org.springframework.beans.BeansException; +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.config.BeanFactoryPostProcessor; +import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; +import org.springframework.boot.autoconfigure.EnableAutoConfiguration; +import org.springframework.context.annotation.Bean; +import org.springframework.core.Ordered; + +/** + * {@link EnableAutoConfiguration Auto-configuration} to ensure that DevTools' beans are + * eagerly initialized when the application is otherwise being initialized lazily. + * + * @author Andy Wilkinson + * @since 2.2.0 + */ +public class EagerInitializationAutoConfiguration { + + @Bean + public static AlwaysEagerBeanFactoryPostProcessor alwaysEagerBeanFactoryPostProcessor() { + return new AlwaysEagerBeanFactoryPostProcessor(); + } + + private static final class AlwaysEagerBeanFactoryPostProcessor + implements BeanFactoryPostProcessor, Ordered { + + @Override + public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) + throws BeansException { + for (String name : beanFactory.getBeanDefinitionNames()) { + BeanDefinition beanDefinition = beanFactory.getBeanDefinition(name); + String factoryBeanName = beanDefinition.getFactoryBeanName(); + if (factoryBeanName != null && factoryBeanName + .startsWith("org.springframework.boot.devtools")) { + beanDefinition.setLazyInit(false); + } + } + } + + @Override + public int getOrder() { + return Ordered.HIGHEST_PRECEDENCE + 1; + } + + } + +} diff --git a/spring-boot-project/spring-boot-devtools/src/main/resources/META-INF/spring.factories b/spring-boot-project/spring-boot-devtools/src/main/resources/META-INF/spring.factories index 958c3dfa63..d7d340dbea 100644 --- a/spring-boot-project/spring-boot-devtools/src/main/resources/META-INF/spring.factories +++ b/spring-boot-project/spring-boot-devtools/src/main/resources/META-INF/spring.factories @@ -9,6 +9,7 @@ org.springframework.boot.devtools.logger.DevToolsLogFactory.Listener # Auto Configure org.springframework.boot.autoconfigure.EnableAutoConfiguration=\ +org.springframework.boot.devtools.autoconfigure.EagerInitializationAutoConfiguration,\ org.springframework.boot.devtools.autoconfigure.DevToolsDataSourceAutoConfiguration,\ org.springframework.boot.devtools.autoconfigure.LocalDevToolsAutoConfiguration,\ org.springframework.boot.devtools.autoconfigure.RemoteDevToolsAutoConfiguration