Java Code Examples for org.springframework.context.annotation.AnnotationConfigApplicationContext#close()

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);
    // 启动应用上下文
    applicationContext.refresh();
    // 依赖查找集合对象
    lookupByObjectProvider(applicationContext);
    lookupIfAvailable(applicationContext);
    lookupByStreamOps(applicationContext);

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

}
 

public static void main(String[] args) {
    // 1. 创建 parent Spring 应用上下文
    AnnotationConfigApplicationContext parentContext = new AnnotationConfigApplicationContext();
    parentContext.setId("parent-context");
    // 注册 MyListener 到 parent Spring 应用上下文
    parentContext.register(MyListener.class);

    // 2. 创建 current Spring 应用上下文
    AnnotationConfigApplicationContext currentContext = new AnnotationConfigApplicationContext();
    currentContext.setId("current-context");
    // 3. current -> parent
    currentContext.setParent(parentContext);
    // 注册 MyListener 到 current Spring 应用上下文
    currentContext.register(MyListener.class);

    // 4.启动 parent Spring 应用上下文
    parentContext.refresh();

    // 5.启动 current Spring 应用上下文
    currentContext.refresh();

    // 关闭所有 Spring 应用上下文
    currentContext.close();
    parentContext.close();
}
 

public static void main(String[] args) {
    AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    // 注册当前 Class
    context.register(SpringMBeanServerBeanBootstrap.class);
    // 启动应用上下文
    context.refresh();
    // 获取名为 "mBeanExporter" Bean，来自于 mBeanExporter() 方法 @Bean 定义
    MBeanExporter mBeanExporter = context.getBean("mBeanExporter", MBeanExporter.class);
    // 获取名为 "mBeanServer" Bean，来自于 mBeanServer() 方法 @Bean 定义
    MBeanServer mBeanServer = context.getBean("mBeanServer", MBeanServer.class);
    // 从 "mBeanExporter" Bean 中获取来自于其afterPropertiesSet()方法创建 "mBeanServer" 对象
    MBeanServer mBeanServerFromMBeanExporter = mBeanExporter.getServer();
    System.out.printf("来自 mBeanExporter Bean 关联的 MBeanServer 实例是否等于平台 MBeanServer : %b \n",
            mBeanServerFromMBeanExporter == ManagementFactory.getPlatformMBeanServer()
    );

    System.out.printf("来自 mBeanExporter Bean 关联的 MBeanServer 实例是否等于 mBeanServer Bean : %b \n",
            mBeanServerFromMBeanExporter == mBeanServer
    );
    // 关闭应用上下文
    context.close();
}
 

@Test
public void customExecutorBean() {
	// Arrange
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
	ctx.register(CustomExecutorBean.class);
	ctx.refresh();
	AsyncBean asyncBean = ctx.getBean(AsyncBean.class);
	// Act
	asyncBean.work();
	// Assert
	Awaitility.await()
				.atMost(500, TimeUnit.MILLISECONDS)
				.pollInterval(10, TimeUnit.MILLISECONDS)
				.until(() -> asyncBean.getThreadOfExecution() != null);
	assertThat(asyncBean.getThreadOfExecution().getName(), startsWith("Custom-"));
	ctx.close();
}
 

@Test
public void spr11915() {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(Spr11915Config.class);
	TransactionalTestBean bean = ctx.getBean(TransactionalTestBean.class);
	CallCountingTransactionManager txManager = ctx.getBean("qualifiedTransactionManager", CallCountingTransactionManager.class);

	bean.saveQualifiedFoo();
	assertThat(txManager.begun, equalTo(1));
	assertThat(txManager.commits, equalTo(1));
	assertThat(txManager.rollbacks, equalTo(0));

	bean.saveQualifiedFooWithAttributeAlias();
	assertThat(txManager.begun, equalTo(2));
	assertThat(txManager.commits, equalTo(2));
	assertThat(txManager.rollbacks, equalTo(0));

	ctx.close();
}
 

@Test
public void withAsyncBeanWithExecutorQualifiedByName() throws ExecutionException, InterruptedException {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
	ctx.register(AsyncWithExecutorQualifiedByNameConfig.class);
	ctx.refresh();

	AsyncBeanWithExecutorQualifiedByName asyncBean = ctx.getBean(AsyncBeanWithExecutorQualifiedByName.class);
	Future<Thread> workerThread0 = asyncBean.work0();
	assertThat(workerThread0.get().getName(), not(anyOf(startsWith("e1-"), startsWith("otherExecutor-"))));
	Future<Thread> workerThread = asyncBean.work();
	assertThat(workerThread.get().getName(), startsWith("e1-"));
	Future<Thread> workerThread2 = asyncBean.work2();
	assertThat(workerThread2.get().getName(), startsWith("otherExecutor-"));
	Future<Thread> workerThread3 = asyncBean.work3();
	assertThat(workerThread3.get().getName(), startsWith("otherExecutor-"));

	ctx.close();
}
 

@Test
public void transactionalEventListenerRegisteredProperly() {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(EnableTxConfig.class);
	assertTrue(ctx.containsBean(TransactionManagementConfigUtils.TRANSACTIONAL_EVENT_LISTENER_FACTORY_BEAN_NAME));
	assertEquals(1, ctx.getBeansOfType(TransactionalEventListenerFactory.class).size());
	ctx.close();
}
 

@Test
public void configurationWithAdaptiveResourcePrototypes() {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
	ctx.register(ConfigWithPrototypeBean.class, AdaptiveResourceInjectionPoints.class);
	ctx.refresh();

	AdaptiveResourceInjectionPoints adaptive = ctx.getBean(AdaptiveResourceInjectionPoints.class);
	assertEquals("adaptiveInjectionPoint1", adaptive.adaptiveInjectionPoint1.getName());
	assertEquals("setAdaptiveInjectionPoint2", adaptive.adaptiveInjectionPoint2.getName());

	adaptive = ctx.getBean(AdaptiveResourceInjectionPoints.class);
	assertEquals("adaptiveInjectionPoint1", adaptive.adaptiveInjectionPoint1.getName());
	assertEquals("setAdaptiveInjectionPoint2", adaptive.adaptiveInjectionPoint2.getName());
	ctx.close();
}
 

@Test
public final void whenRegisterScopeAndBeans_thenContextContainsFooAndBar() {
    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
    try {
        ctx.register(TenantScopeConfig.class);
        ctx.register(TenantBeansConfig.class);
        ctx.refresh();

        TenantBean foo = (TenantBean) ctx.getBean("foo", TenantBean.class);
        foo.sayHello();
        TenantBean bar = (TenantBean) ctx.getBean("bar", TenantBean.class);
        bar.sayHello();
        Map<String, TenantBean> foos = ctx.getBeansOfType(TenantBean.class);

        assertThat(foo, not(equalTo(bar)));
        assertThat(foos.size(), equalTo(2));
        assertTrue(foos.containsValue(foo));
        assertTrue(foos.containsValue(bar));

        BeanDefinition fooDefinition = ctx.getBeanDefinition("foo");
        BeanDefinition barDefinition = ctx.getBeanDefinition("bar");

        assertThat(fooDefinition.getScope(), equalTo("tenant"));
        assertThat(barDefinition.getScope(), equalTo("tenant"));
    } finally {
        ctx.close();
    }
}
 

@Test
public void txManagerIsResolvedCorrectlyWhenMultipleManagersArePresent() {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
			EnableTxConfig.class, MultiTxManagerConfig.class);
	TransactionalTestBean bean = ctx.getBean(TransactionalTestBean.class);

	// invoke a transactional method, causing the PlatformTransactionManager bean to be resolved.
	bean.findAllFoos();
	ctx.close();
}
 

public static void main(String[] args) {
    // 创建 BeanFactory 容器
    AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext();

    // 注册 BeanDefinition Bean Class 是一个 CharSequence 接口
    BeanDefinitionBuilder beanDefinitionBuilder = BeanDefinitionBuilder.genericBeanDefinition(CharSequence.class);
    applicationContext.registerBeanDefinition("errorBean", beanDefinitionBuilder.getBeanDefinition());

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

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

@Ignore // TODO: SPR-6310
@Test
public void importXmlByConvention() {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
		ImportXmlByConventionConfig.class);
	assertTrue("context does not contain xml-declared bean", ctx.containsBean("xmlDeclaredBean"));
	ctx.close();
}
 

@Test
public void ingestQueryCanBeCustomized() {
	String query = "insert into book (isbn, title, author) values (?, ?, ?)";
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	EnvironmentTestUtils.addEnvironment(context, "cassandra.ingest-query:" + query);
	context.register(Conf.class);
	context.refresh();
	CassandraSinkProperties properties = context.getBean(CassandraSinkProperties.class);
	assertThat(properties.getIngestQuery(), equalTo(query));
	context.close();
}
 

public static void main(String[] args) {
	AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
	ctx.register(MyConfiguration.class);
	ctx.refresh();

	MyBean mb1 = ctx.getBean(MyBean.class);
	System.out.println(mb1.hashCode());

	MyBean mb2 = ctx.getBean(MyBean.class);
	System.out.println(mb2.hashCode());

	ctx.close();
}
 

public static void main(String[] args) throws IOException {
    AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    // 注册 SpringJmxAnnotationBootstrap
    context.register(SpringJmxAnnotationBootstrap.class);
    // 启动应用上下文
    context.refresh();
    System.out.println("按任意键结束...");
    System.in.read();
    // 关闭应用上下文
    context.close();
}
 

@Test
public void ttlCanBeCustomized() {
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	EnvironmentTestUtils.addEnvironment(context, "cassandra.ttl:" + 1000);
	context.register(Conf.class);
	context.refresh();
	CassandraSinkProperties properties = context.getBean(CassandraSinkProperties.class);
	assertThat(properties.getTtl(), equalTo(1000));
	context.close();
}
 

public static void main(String[] args) {
    AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
    // 注册 Configuration Class
    context.register(ObjectFactoryLazyLookupDemo.class);

    // 启动 Spring 应用上下文
    context.refresh();

    ObjectFactoryLazyLookupDemo objectFactoryLazyLookupDemo = context.getBean(ObjectFactoryLazyLookupDemo.class);

    // userObjectFactory userObjectProvider;

    // 代理对象
    ObjectFactory<User> userObjectFactory = objectFactoryLazyLookupDemo.userObjectFactory;
    ObjectFactory<User> userObjectProvider = objectFactoryLazyLookupDemo.userObjectProvider;

    System.out.println("userObjectFactory == userObjectProvider : " +
            (userObjectFactory == userObjectProvider));

    System.out.println("userObjectFactory.getClass() == userObjectProvider.getClass() : " +
            (userObjectFactory.getClass() == userObjectProvider.getClass()));

    // 实际对象（延迟查找）
    System.out.println("user = " + userObjectFactory.getObject());
    System.out.println("user = " + userObjectProvider.getObject());
    System.out.println("user = " + context.getBean(User.class));


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

public static void main(String[] args){
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(HelloServerConfig.class);
	context.close();
}
 

@Test
void exposesEventPublicationForFailedListener() {

	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
	context.register(ApplicationConfiguration.class, InfrastructureConfiguration.class);
	context.refresh();

	Method method = ReflectionUtils.findMethod(SecondTxEventListener.class, "on", DomainEvent.class);

	try {

		context.getBean(Client.class).method();

	} catch (Throwable e) {

		System.out.println(e);

	} finally {

		Iterable<EventPublication> eventsToBePublished = context.getBean(EventPublicationRegistry.class)
				.findIncompletePublications();

		assertThat(eventsToBePublished).hasSize(1);
		assertThat(eventsToBePublished).allSatisfy(it -> {
			assertThat(it.getTargetIdentifier()).isEqualTo(PublicationTargetIdentifier.forMethod(method));
		});

		context.close();
	}
}
 

public static void main(String[] args) {
	 AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ElConfig.class);
	 
	 ElConfig resourceService = context.getBean(ElConfig.class);
	 
	 resourceService.outputResource();
	 
	 context.close();
}