kongkong的专栏

MetadataReader/** * Simple facade for accessing class metadata, * as read by an ASM {@link org.springframework.asm.ClassReader}. * * @author Juergen Hoeller * @since 2.5 */public interface MetadataReader { /** * Return the resource reference fo

直接标注在类上OtherServiceOtherService的beanname=userService@Service("userService")public class OtherService { public void message(){ System.out.println("OtherService Message ! "); }}UserService@Service("userService")public class UserService { publ

配置类@ComponentScan(value = "com.kq.quickstart")public class AppConfig { @Bean({"aliasService", "aliasService1", "aliasService2"}) public AliasService getAliasService(){ return new AliasService(); }}ConfigurationClassPostProcessorConfigurationCla

编译乱码源码加了中文注释后，重新启动，gradle编译的时候乱码idea 已经全部调整utf-8乱码的时候，idea都是utf-8编码的解决方法idea64.exe.vmoptions# 加下面启动参数-Dfile.encoding=utf-8需要重新启动生效...

ApplicationListenerDetector处理用户自定义ApplicationListener注册和销毁类图postProcessAfterInitializationpublic Object postProcessAfterInitialization(Object bean, String beanName) { if (bean instanceof ApplicationListener) { // 是否ApplicationListener类型 // potent

ApplicationContextAwareProcessor自动注入Aware相关接口postProcessBeforeInitializationpublic Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException { if (!(bean instanceof EnvironmentAware || bean instanceof EmbeddedValueReso

clone version:5.3.9git clone -b v5.3.9 https://github.com/spring-projects/spring-framework.git

Datasource@Bean(name = "order") public DataSourceProxy masterDataSourceProxy(@Qualifier("originOrder") DataSource dataSource) { return new DataSourceProxy(dataSource); } @Bean(name = "storage") public DataSourceProxy storageDataSo

Importpublic @interface Import { /** * {@link Configuration}, {@link ImportSelector}, {@link ImportBeanDefinitionRegistrar} * or regular component classes to import. */ Class<?>[] value();}ImportSelectorpublic interface ImportSelec

AbstractApplicationContext.refresh@Overridepublic void refresh() throws BeansException, IllegalStateException { synchronized (this.startupShutdownMonitor) { // 准备刷新 Prepare this context for refreshing. prepareRefresh(); //下面一句 当然，这里说的 Bean 还没有初始化，只

调用图AnnotationConfigUtilspublic static Set<BeanDefinitionHolder> registerAnnotationConfigProcessors( BeanDefinitionRegistry registry, @Nullable Object source) { //从registry里得到beanFactory DefaultListableBeanFactory beanFactory = unwrapDe.

​​​​​​CommonAnnotationBeanPostProcessorprotected Object getResource(LookupElement element, @Nullable String requestingBeanName) throws NoSuchBeanDefinitionException { if (StringUtils.hasLength(element.mappedName)) { //优先处理mappedName return th..

大概流程图AbstractBeanFactoryif (mbd.isSingleton()) { //是否单例 注意下面是否先执行()-> 代码 也就是ObjectFactorysharedInstance = getSingleton(beanName, () -> { //单例情况下 这里会把单例实例放到一级缓存 先调用getSingleton 然后调用createBean try { return createBean(beanName,

spring的init方法调用有以下3种:1.实现InitializingBean2. 配置init-method(xml配置)3. 使用注解@PostConstruct本文通过这种方式启动: ApplicationContext context = new AnnotationConfigApplicationContext(SpringApplication.class);调用先后顺序@PostConstruct > InitializingBean > in.

class SimpleCommandLineArgsParser { public CommandLineArgs parse(String... args) { // --priority1=program-agrs CommandLineArgs commandLineArgs = new CommandLineArgs(); for (String arg : args) { if (arg.startsWith("--")) { // 以--开头 String o..

SpringApplicationpublic ConfigurableApplicationContext run(String... args) { ConfigurableEnvironment environment = prepareEnvironment(listeners, applicationArguments); //准备好了Environment，此刻Environment中都有哪些配置参数 configureIgnoreBeanInfo(environm.

关键类ConfigurationClassParser# ConfigurationClass 标注@Configuration注解的类@Nullable protected final SourceClass doProcessConfigurationClass(ConfigurationClass configClass, SourceClass sourceClass) throws IOException { if (configClass.getMetadata...

用户应用程序ApplicationConfigurableApplicationContext context = SpringApplication.run(NacosSpringBootYamlApplication.class, args);SpringApplication类public static ConfigurableApplicationContext ...

PathMatchingResourcePatternResolver 根据包路径得到所有匹配的类路径protected Set<Resource> doFindAllClassPathResources(String path) throws IOException { Set<Resource> result = new LinkedHashSet...

负责解析处理所有@Configuration标签类，主要流程在ConfigurationClassParser中进行

Extension of the {@link BeanFactory} interface to be implemented by bean factories* that can enumerate all their bean instances, rather than attempting bean lookup* by name one by one as requested ...

public abstract class AbstractApplicationContext extends DefaultResourceLoader implements ConfigurableApplicationContext, DisposableBean {@Overridepublic void setParent(ApplicationContext parent) ...

public interface BeanPostProcessor { /** * Apply this BeanPostProcessor to the given new bean instance &lt;i&gt;before&lt;/i&gt; any bean * initialization callbacks (like InitializingB...

Advicepublic interface Advice {}Interceptorpublic interface Interceptor extends Advice {}MethodInterceptor/** * Intercepts calls on an interface on its way to the target. These *...

  releases:   https://github.com/spring-projects/spring-framework/releases git clone https://github.com/spring-projects/spring-framework.gitcd spring-framework#看服务器分支git branch -a#查看本地分支...

see org.springframework.util.SocketUtilsprivate enum SocketType { TCP { @Override protected boolean isPortAvailable(int port) { try { ServerSocket serverSocket = ServerS...

import org.junit.Test;import org.springframework.util.StopWatch;import static org.junit.Assert.*;import java.util.concurrent.TimeUnit;/** * StopWatchTest * * @author kq */public cla...

mport static org.junit.Assert.*;/** * MultiValueMapTest * * @author kq */public class MultiValueMapTest { @Test public void testMultiValueMap(){ MultiValueMap<String,S...

 BeanFactory是访问Spring容器的顶层接口public interface BeanFactory { String FACTORY_BEAN_PREFIX = "&amp;"; Object getBean(String name) throws BeansException; &lt;T&gt; T getBean(String name,...