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spring beans

2021-07-01 15:24:45   0  举报

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spring bean的uml图

java框架

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this.doResolveDependency

metadata = findAutowiringMetadata

I：MergedBeanDefinitionPostProcessor

resolveDependency

applyBeanPostProcessorsBeforeInitialization

resolveCachedArguments

createDependencyProvider

populateBean给bean属性赋值

createOptionalDependency

把找到的bean返回给调用方，并且通过反射，并且将找到的Bean赋值给BeanWrapper的instance

applyBeanPostProcessorsAfterInitialization

applyMergedBeanDefinitionPostProcessors

type.isArray()

AutowiredMethodElement是AutowiredAnnotationBeanPostProcessor的内部私有类，继承了InjectionMetadata.InjectedElement

postProcessProperties

AbstractAutowireCapableBeanFactory

对每一个Beanpostprocessor均执行beanProcessor.postProcessBeforeInitialization

Collection.class.isAssignableFrom(type)

Lazy

doCreateBean

DefaultListableBeanFactory

initializeBean初始化bean

Provider

findAutowireCandidates

通过AutowiredAnnotationBeanPostProcessor内部的ConfigurableListableBeanFactory 调用

invokeInitMethods自定义的初始化方法

Normal

this.resolveMultipleBeans

getLazyResolutionProxyIfNecessary

Optional

createBean

resolveMethodArguments

postProcessMergedBeanDefinition方法，在类有父类的时候，将父类元信息(比如父类的字段)合并到类信息中，就是视频中superUser继承User

AutowiredAnnotationBeanPostProcessor

延迟加载的时候，通过这个来返回一个Bean的代理对象，当真正调用到bean方法时，才加载bean

Map.class == type

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