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srping 待完善

2020-04-25 15:57:42   0  举报

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AI智能生成

spring boot 整理

srping

模版推荐

作者其他创作

大纲/内容

SpringApplication#run

获取监听器getRunListeners

getSpringFactoriesInstances

loadFactoryNames

缓存中获取type为SpringApplicationRunListener 类名

创建返回 org.springframework.boot.context.event.EventPublishingRunListener

listeners.starting

EventPublishingRunListener

org.springframework.context.event.SimpleApplicationEventMulticaster#multicastEvent(org.springframework.context.ApplicationEvent)

getApplicationListeners

ApplicationStartingEvent 和SpringBootApplication 作为Key

缓存维护 retrieveApplicationListeners

根据key 时间,源决定是否加载监听

默认加载4个

invokeListener

执行 onApplicationEvent

配置文件加载prepareEnvironment

触发监听器environmentPrepared

监听器

ConfigFileApplicationListener

默认走   org.springframework.boot.context.config.ConfigFileApplicationListener#onApplicationEnvironmentPreparedEvent

找出EnvironmentPostProcessor 子类

SystemEnvironmentPropertySourceEnvironmentPostProcessor

名称 systemEnvironment

修改结构

SpringApplicationJsonEnvironmentPostProcessor

默认找找不到

CloudFoundryVcapEnvironmentPostProcessor

默认没有包含 VCAP_APPLICATION 和  VCAP_SERVICES 的配置

ConfigFileApplicationListener

添加random 配置

添加 application配置 org.springframework.boot.context.config.ConfigFileApplicationListener.Loader

initializeProfiles

获取spring.profiles.active 和 spring.profiles.include配置

最终调用 org.springframework.boot.context.config.ConfigFileApplicationListener.Loader#load(PropertySourceLoader loader, String location, Profile profile, DocumentFilter filter, DocumentConsumer consumer)  497行

addLoadedPropertySources 配置读完后添加到  Source

DebugAgentEnvironmentPostProcessor

https://github.com/reactor/reactor-tools

默认不开启

AnsiOutputApplicationListener

LoggingApplicationListener

BackgroundPreinitializer

ClasspathLoggingApplicationListener

DelegatingApplicationListener

FileEncodingApplicationListener

创建上下文createApplicationContext

准备上下文prepareContext

刷新上下文refreshContext

AbstractApplicationContext#refresh

准备刷新prepareRefresh

刷新内部bean工厂 obtainFreshBeanFactory

注册拦截bean创建的bean处理器。registerBeanPostProcessors

实例化单例bean   finishBeanFactoryInitialization

默认工厂 DefaultListableBeanFactory

实例化单例bean preInstantiateSingletons

获取bean  AbstractBeanFactory#doGetBean

创建bean  createBean

AbstractAutowireCapableBeanFactory#doCreateBean

创建bean  createBeanInstance

判断构造方法注解 determineConstructorsFromBeanPostProcessors

applyMergedBeanDefinitionPostProcessors

注入查找 AutowiredAnnotationBeanPostProcessor#postProcessMergedBeanDefinition

检测需要注入属性ReflectionUtils.doWithLocalFields

检测需要注入方法  ReflectionUtils.doWithLocalMethods

注入 populateBean

AutowiredAnnotationBeanPostProcessor#postProcessProperties

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多级缓存方案-待完善

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linux内存管理待完善

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入待宰栏

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网站使用缓存-待用

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