org.springframework.context.annotation.AnnotationConfigApplicationContext#getBeanFactory ( )源码实例Demo

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();

	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new CookieValueMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);
	this.bindingContext = new BindingContext();

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.cookieParameter = new SynthesizingMethodParameter(method, 0);
	this.cookieStringParameter = new SynthesizingMethodParameter(method, 1);
	this.stringParameter = new SynthesizingMethodParameter(method, 2);
	this.cookieMonoParameter = new SynthesizingMethodParameter(method, 3);
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new RequestHeaderMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	this.bindingContext = new BindingContext(initializer);

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.paramNamedDefaultValueStringHeader = new SynthesizingMethodParameter(method, 0);
	this.paramNamedValueStringArray = new SynthesizingMethodParameter(method, 1);
	this.paramSystemProperty = new SynthesizingMethodParameter(method, 2);
	this.paramResolvedNameWithExpression = new SynthesizingMethodParameter(method, 3);
	this.paramResolvedNameWithPlaceholder = new SynthesizingMethodParameter(method, 4);
	this.paramNamedValueMap = new SynthesizingMethodParameter(method, 5);
	this.paramDate = new SynthesizingMethodParameter(method, 6);
	this.paramInstant = new SynthesizingMethodParameter(method, 7);
	this.paramMono = new SynthesizingMethodParameter(method, 8);
}
 

public static void main(String[] args) throws InterruptedException {
    // 创建 BeanFactory 容器
    AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext();
    // 创建一个外部 UserFactory 对象
    UserFactory userFactory = new DefaultUserFactory();
    SingletonBeanRegistry singletonBeanRegistry = applicationContext.getBeanFactory();
    // 注册外部单例对象
    singletonBeanRegistry.registerSingleton("userFactory", userFactory);
    // 启动 Spring 应用上下文
    applicationContext.refresh();

    // 通过依赖查找的方式来获取 UserFactory
    UserFactory userFactoryByLookup = applicationContext.getBean("userFactory", UserFactory.class);
    System.out.println("userFactory  == userFactoryByLookup : " + (userFactory == userFactoryByLookup));

    // 关闭 Spring 应用上下文
    applicationContext.close();
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();

	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new CookieValueMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);
	this.bindingContext = new BindingContext();

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.cookieParameter = new SynthesizingMethodParameter(method, 0);
	this.cookieStringParameter = new SynthesizingMethodParameter(method, 1);
	this.stringParameter = new SynthesizingMethodParameter(method, 2);
	this.cookieMonoParameter = new SynthesizingMethodParameter(method, 3);
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new RequestHeaderMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);

	ConfigurableWebBindingInitializer initializer = new ConfigurableWebBindingInitializer();
	initializer.setConversionService(new DefaultFormattingConversionService());
	this.bindingContext = new BindingContext(initializer);

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.paramNamedDefaultValueStringHeader = new SynthesizingMethodParameter(method, 0);
	this.paramNamedValueStringArray = new SynthesizingMethodParameter(method, 1);
	this.paramSystemProperty = new SynthesizingMethodParameter(method, 2);
	this.paramResolvedNameWithExpression = new SynthesizingMethodParameter(method, 3);
	this.paramResolvedNameWithPlaceholder = new SynthesizingMethodParameter(method, 4);
	this.paramNamedValueMap = new SynthesizingMethodParameter(method, 5);
	this.paramDate = new SynthesizingMethodParameter(method, 6);
	this.paramInstant = new SynthesizingMethodParameter(method, 7);
	this.paramMono = new SynthesizingMethodParameter(method, 8);
}
 

private AnnotationConfigApplicationContext createContext(String dataId,
		String groupId, String content) throws NacosException {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();

	ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();

	configService.publishConfig(dataId, groupId, content);

	beanFactory.registerSingleton(CONFIG_SERVICE_BEAN_NAME, configService);

	context.register(AnnotationNacosInjectedBeanPostProcessor.class,
			NacosPropertySourcePostProcessor.class, ConfigServiceBeanBuilder.class,
			AnnotationNacosPropertySourceBuilder.class, TestConfiguration.class,
			TestApplicationHolder.class);
	return context;
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry registry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new RequestAttributeMethodArgumentResolver(context.getBeanFactory(), registry);
}
 

@Before
@SuppressWarnings("resource")
public void setup() {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new SessionAttributeMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);
	this.session = mock(WebSession.class);
	this.exchange = MockServerWebExchange.builder(MockServerHttpRequest.get("/")).session(this.session).build();
	this.handleMethod = ReflectionUtils.findMethod(getClass(), "handleWithSessionAttribute", (Class<?>[]) null);
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new ExpressionValueMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.paramSystemProperty = new MethodParameter(method, 0);
	this.paramNotSupported = new MethodParameter(method, 1);
	this.paramAlsoNotSupported = new MethodParameter(method, 2);
}
 

public static void main(String[] args) {
        // 创建 BeanFactory 容器
        AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext();
        // 将当前类 ObjectProviderDemo 作为配置类（Configuration Class）
        applicationContext.register(ObjectProviderDemo.class);

        // 1. 获取 HierarchicalBeanFactory <- ConfigurableBeanFactory <- ConfigurableListableBeanFactory
        ConfigurableListableBeanFactory beanFactory = applicationContext.getBeanFactory();
//        System.out.println("当前 BeanFactory 的 Parent BeanFactory ： " + beanFactory.getParentBeanFactory());

        // 2. 设置 Parent BeanFactory
        HierarchicalBeanFactory parentBeanFactory = createParentBeanFactory();
        beanFactory.setParentBeanFactory(parentBeanFactory);
//        System.out.println("当前 BeanFactory 的 Parent BeanFactory ： " + beanFactory.getParentBeanFactory());

        displayContainsLocalBean(beanFactory, "user");
        displayContainsLocalBean(parentBeanFactory, "user");

        displayContainsBean(beanFactory, "user");
        displayContainsBean(parentBeanFactory, "user");

        // 启动应用上下文
        applicationContext.refresh();

        // 关闭应用上下文
        applicationContext.close();

    }
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry registry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new RequestAttributeMethodArgumentResolver(context.getBeanFactory(), registry);
}
 

@Before
@SuppressWarnings("resource")
public void setup() {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new SessionAttributeMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);
	this.session = mock(WebSession.class);
	this.exchange = MockServerWebExchange.builder(MockServerHttpRequest.get("/")).session(this.session).build();
	this.handleMethod = ReflectionUtils.findMethod(getClass(), "handleWithSessionAttribute", (Class<?>[]) null);
}
 

@Before
@SuppressWarnings("resource")
public void setup() throws Exception {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.refresh();
	ReactiveAdapterRegistry adapterRegistry = ReactiveAdapterRegistry.getSharedInstance();
	this.resolver = new ExpressionValueMethodArgumentResolver(context.getBeanFactory(), adapterRegistry);

	Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
	this.paramSystemProperty = new MethodParameter(method, 0);
	this.paramNotSupported = new MethodParameter(method, 1);
	this.paramAlsoNotSupported = new MethodParameter(method, 2);
}
 

@Test
void shouldFindPrimaryBeanDefinitionIfAvailable() {
    final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    context.register(PrimaryTracerConfiguration.class);
    context.refresh();
    final ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();
    final DefaultRiptideConfigurer configurer = new DefaultRiptideConfigurer(beanFactory, null);
    final BeanReference bd = configurer.getBeanRef(Tracer.class, "tracer");
    assertThat(bd.getBeanName()).isEqualTo("primaryTracer");
}
 

@Test
void shouldBeanDefinitionIfSingleBeanRegisteredForType() {
    final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    context.register(SingleTracerConfiguration.class);
    context.refresh();
    final ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();
    final DefaultRiptideConfigurer configurer = new DefaultRiptideConfigurer(beanFactory, null);
    final BeanReference bd = configurer.getBeanRef(Tracer.class, "tracer");
    assertThat(bd.getBeanName()).isEqualTo("opentracingTracer");
}
 

@Test
void shouldFindBeanDefinitionByNameIfNoPrimaryBeanAvailable() {
    final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    context.register(DoubleTracerConfiguration.class);
    context.refresh();
    final ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();
    final DefaultRiptideConfigurer configurer = new DefaultRiptideConfigurer(beanFactory, null);
    final BeanReference bd = configurer.getBeanRef(Tracer.class, "tracer");
    assertThat(bd.getBeanName()).isEqualTo("tracer");
}
 

@Test
void shouldFailIfMultipleBeanFoundWithoutCorrespondingName() {
    final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    context.register(DoubleTracerConfiguration.class);
    context.refresh();
    final ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();
    final DefaultRiptideConfigurer configurer = new DefaultRiptideConfigurer(beanFactory, null);
    assertThrows(NoSuchBeanDefinitionException.class,
                 () -> configurer.getBeanRef(Tracer.class, "opentracingTracer"));
}
 

public DetectContext(final DetectRun detectRun) {
    //Detect context is currently actually backed by Spring.
    springContext = new AnnotationConfigApplicationContext();
    springContext.setDisplayName("Detect Context " + detectRun.getRunId());
    beanFactory = springContext.getBeanFactory();
}
 

public DetectContext(DetectRun detectRun) {
    //Detect context is currently actually backed by Spring.
    springContext = new AnnotationConfigApplicationContext();
    springContext.setDisplayName("Detect Context " + detectRun.getRunId());
    beanFactory = springContext.getBeanFactory();
}