org.springframework.beans.factory.support.DefaultListableBeanFactory#destroyBean ( )源码实例Demo

下面列出了org.springframework.beans.factory.support.DefaultListableBeanFactory#destroyBean ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： spring-analysis-note 文件： CommonAnnotationBeanPostProcessorTests.java

@Test
public void testResourceInjectionWithPrototypes() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	CommonAnnotationBeanPostProcessor bpp = new CommonAnnotationBeanPostProcessor();
	bpp.setResourceFactory(bf);
	bf.addBeanPostProcessor(bpp);
	RootBeanDefinition abd = new RootBeanDefinition(ResourceInjectionBean.class);
	abd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("annotatedBean", abd);
	RootBeanDefinition tbd1 = new RootBeanDefinition(TestBean.class);
	tbd1.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("testBean", tbd1);
	RootBeanDefinition tbd2 = new RootBeanDefinition(TestBean.class);
	tbd2.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("testBean2", tbd2);

	ResourceInjectionBean bean = (ResourceInjectionBean) bf.getBean("annotatedBean");
	assertTrue(bean.initCalled);
	assertTrue(bean.init2Called);
	assertTrue(bean.init3Called);

	TestBean tb = bean.getTestBean();
	TestBean tb2 = bean.getTestBean2();
	assertNotNull(tb);
	assertNotNull(tb2);

	ResourceInjectionBean anotherBean = (ResourceInjectionBean) bf.getBean("annotatedBean");
	assertNotSame(anotherBean, bean);
	assertNotSame(anotherBean.getTestBean(), tb);
	assertNotSame(anotherBean.getTestBean2(), tb2);

	bf.destroyBean("annotatedBean", bean);
	assertTrue(bean.destroyCalled);
	assertTrue(bean.destroy2Called);
	assertTrue(bean.destroy3Called);
}

源代码2 项目： spring-analysis-note 文件： DefaultListableBeanFactoryTests.java

@Test
public void testCreateBean() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	TestBean tb = lbf.createBean(TestBean.class);
	assertSame(lbf, tb.getBeanFactory());
	lbf.destroyBean(tb);
}

源代码3 项目： spring-analysis-note 文件： DefaultListableBeanFactoryTests.java

@Test
public void testCreateBeanWithDisposableBean() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	DerivedTestBean tb = lbf.createBean(DerivedTestBean.class);
	assertSame(lbf, tb.getBeanFactory());
	lbf.destroyBean(tb);
	assertTrue(tb.wasDestroyed());
}

源代码4 项目： java-technology-stack 文件： CommonAnnotationBeanPostProcessorTests.java

@Test
public void testResourceInjectionWithPrototypes() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	CommonAnnotationBeanPostProcessor bpp = new CommonAnnotationBeanPostProcessor();
	bpp.setResourceFactory(bf);
	bf.addBeanPostProcessor(bpp);
	RootBeanDefinition abd = new RootBeanDefinition(ResourceInjectionBean.class);
	abd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("annotatedBean", abd);
	RootBeanDefinition tbd1 = new RootBeanDefinition(TestBean.class);
	tbd1.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("testBean", tbd1);
	RootBeanDefinition tbd2 = new RootBeanDefinition(TestBean.class);
	tbd2.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("testBean2", tbd2);

	ResourceInjectionBean bean = (ResourceInjectionBean) bf.getBean("annotatedBean");
	assertTrue(bean.initCalled);
	assertTrue(bean.init2Called);
	assertTrue(bean.init3Called);

	TestBean tb = bean.getTestBean();
	TestBean tb2 = bean.getTestBean2();
	assertNotNull(tb);
	assertNotNull(tb2);

	ResourceInjectionBean anotherBean = (ResourceInjectionBean) bf.getBean("annotatedBean");
	assertNotSame(anotherBean, bean);
	assertNotSame(anotherBean.getTestBean(), tb);
	assertNotSame(anotherBean.getTestBean2(), tb2);

	bf.destroyBean("annotatedBean", bean);
	assertTrue(bean.destroyCalled);
	assertTrue(bean.destroy2Called);
	assertTrue(bean.destroy3Called);
}

源代码5 项目： java-technology-stack 文件： DefaultListableBeanFactoryTests.java

@Test
public void testCreateBean() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	TestBean tb = lbf.createBean(TestBean.class);
	assertSame(lbf, tb.getBeanFactory());
	lbf.destroyBean(tb);
}

源代码6 项目： java-technology-stack 文件： DefaultListableBeanFactoryTests.java

@Test
public void testCreateBeanWithDisposableBean() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	DerivedTestBean tb = lbf.createBean(DerivedTestBean.class);
	assertSame(lbf, tb.getBeanFactory());
	lbf.destroyBean(tb);
	assertTrue(tb.wasDestroyed());
}

源代码7 项目： youran 文件： SpringUtil.java

/**
 * 销毁bean
 *
 * @param beanName
 * @return
 */
public static boolean destroy(String beanName) {
    DefaultListableBeanFactory beanFactory = getBeanFactory();
    if (beanFactory == null) {
        throw new BusinessException("spring容器未启动");
    }
    if (!beanFactory.containsBean(beanName)) {
        return false;
    }
    beanFactory.destroySingleton(beanName);
    beanFactory.destroyBean(beanName);
    beanFactory.removeBeanDefinition(beanName);
    return true;
}

源代码8 项目： spring4-understanding 文件： CommonAnnotationBeanPostProcessorTests.java

@Test
public void testResourceInjectionWithPrototypes() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	CommonAnnotationBeanPostProcessor bpp = new CommonAnnotationBeanPostProcessor();
	bpp.setResourceFactory(bf);
	bf.addBeanPostProcessor(bpp);
	RootBeanDefinition abd = new RootBeanDefinition(ResourceInjectionBean.class);
	abd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("annotatedBean", abd);
	RootBeanDefinition tbd1 = new RootBeanDefinition(TestBean.class);
	tbd1.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("testBean", tbd1);
	RootBeanDefinition tbd2 = new RootBeanDefinition(TestBean.class);
	tbd2.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("testBean2", tbd2);

	ResourceInjectionBean bean = (ResourceInjectionBean) bf.getBean("annotatedBean");
	assertTrue(bean.initCalled);
	assertTrue(bean.init2Called);
	assertTrue(bean.init3Called);

	TestBean tb = bean.getTestBean();
	TestBean tb2 = bean.getTestBean2();
	assertNotNull(tb);
	assertNotNull(tb2);

	ResourceInjectionBean anotherBean = (ResourceInjectionBean) bf.getBean("annotatedBean");
	assertNotSame(anotherBean, bean);
	assertNotSame(anotherBean.getTestBean(), tb);
	assertNotSame(anotherBean.getTestBean2(), tb2);

	bf.destroyBean("annotatedBean", bean);
	assertTrue(bean.destroyCalled);
	assertTrue(bean.destroy2Called);
	assertTrue(bean.destroy3Called);
}

源代码9 项目： spring4-understanding 文件： DefaultListableBeanFactoryTests.java

@Test
public void testCreateBean() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	TestBean tb = lbf.createBean(TestBean.class);
	assertSame(lbf, tb.getBeanFactory());
	lbf.destroyBean(tb);
}

源代码10 项目： spring4-understanding 文件： DefaultListableBeanFactoryTests.java

@Test
public void testCreateBeanWithDisposableBean() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	DerivedTestBean tb = lbf.createBean(DerivedTestBean.class);
	assertSame(lbf, tb.getBeanFactory());
	lbf.destroyBean(tb);
	assertTrue(tb.wasDestroyed());
}

源代码11 项目： geekbang-lessons 文件： BeanLifecycleDemo.java

public static void main(String[] args) throws InterruptedException {
    DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
    // 添加 BeanPostProcessor 实现 MyInstantiationAwareBeanPostProcessor
    beanFactory.addBeanPostProcessor(new MyInstantiationAwareBeanPostProcessor());
    // 添加 MyDestructionAwareBeanPostProcessor 执行销毁前回调
    beanFactory.addBeanPostProcessor(new MyDestructionAwareBeanPostProcessor());
    // 添加 CommonAnnotationBeanPostProcessor 解决 @PostConstruct @PreDestroy
    beanFactory.addBeanPostProcessor(new CommonAnnotationBeanPostProcessor());

    XmlBeanDefinitionReader beanDefinitionReader = new XmlBeanDefinitionReader(beanFactory);
    String[] locations = {"META-INF/dependency-lookup-context.xml", "META-INF/bean-constructor-dependency-injection.xml"};
    int beanNumbers = beanDefinitionReader.loadBeanDefinitions(locations);
    System.out.println("已加载 BeanDefinition 数量：" + beanNumbers);
    // 显示地执行 preInstantiateSingletons()
    // SmartInitializingSingleton 通常在 Spring ApplicationContext 场景使用
    // preInstantiateSingletons 将已注册的 BeanDefinition 初始化成 Spring Bean
    beanFactory.preInstantiateSingletons();

    // 通过 Bean Id 和类型进行依赖查找
    User user = beanFactory.getBean("user", User.class);
    System.out.println(user);

    User superUser = beanFactory.getBean("superUser", User.class);
    System.out.println(superUser);

    // 构造器注入按照类型注入，resolveDependency
    UserHolder userHolder = beanFactory.getBean("userHolder", UserHolder.class);

    System.out.println(userHolder);

    // 执行 Bean 销毁（容器内）
    beanFactory.destroyBean("userHolder", userHolder);
    // Bean 销毁并不意味着 Bean 垃圾回收了
    System.out.println(userHolder);

    // 销毁 BeanFactory 中的单例 Bean
    beanFactory.destroySingletons();
    // 强制 GC
    System.gc();
    // 等待一段时间
    Thread.sleep(1000L);
    // 强制 GC
    System.gc();
}

方法所在类

org.springframework.beans.factory.support.DefaultListableBeanFactory