spring源碼01——AnnotationConfigApplicationContext

AnnotationConfigApplicationContext context =
				new AnnotationConfigApplicationContext(Test.class)

類名:AnnotationConfigApplicationContext

 public AnnotationConfigApplicationContext(Class<?>... annotatedClasses) {
        this();
        this.register(annotatedClasses);
        this.refresh();
    }

this()方法

1、先調用父類GenericApplicationContext的構造函數

public class AnnotationConfigApplicationContext extends GenericApplicationContext	

類名:GenericApplicationContext

public GenericApplicationContext() {
        this.refreshed = false;
		//創建一個容器
        this.beanFactory = new DefaultListableBeanFactory();
        this.beanFactory.setAutowireCandidateResolver(new QualifierAnnotationAutowireCandidateResolver());
    }

2、然後調用自己的構造函數

public AnnotationConfigApplicationContext() {
        this.reader = new AnnotatedBeanDefinitionReader(this);
        this.scanner = new ClassPathBeanDefinitionScanner(this);
    }

方法調用鏈:

this.reader = new AnnotatedBeanDefinitionReader(this);
public AnnotatedBeanDefinitionReader(BeanDefinitionRegistry registry, Environment environment);
AnnotationConfigUtils.registerAnnotationConfigProcessors(BeanDefinitionRegistry registry);

//這個方法插入了internalConfigurationAnnotationProcessor、internalAutowiredAnnotationProcessor、internalRequiredAnnotationProcessor、internalCommonAnnotationProcessor、internalPersistenceAnnotationProcessor這五個Processor

AnnotationConfigUtils.registerAnnotationConfigProcessors(BeanDefinitionRegistry registry, Object source);

this.register(annotatedClasses);

調用鏈
this.register(annotatedClasses)
AnnotatedBeanDefinitionReader.register(annotatedClasses)
AnnotatedBeanDefinitionReader.registerBean(annotatedClass)
spring源碼02——registerBean源碼解析)AnnotatedBeanDefinitionReader.registerBean(annotatedClass, (String)null, (Class[])null);

this.refresh();

spring源碼03——AbstractApplicationContext.refresh()

整個源碼系列的大致流程圖

在這裏插入圖片描述

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