【spring】springBoot扩展

package com.zjasm.change.config;  
  
import com.zjasm.change.service.ChangeMainService;  
import org.springframework.beans.BeansException;  
import org.springframework.beans.PropertyValues;  
import org.springframework.beans.factory.*;  
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;  
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;  
import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessor;  
import org.springframework.beans.factory.config.SmartInstantiationAwareBeanPostProcessor;  
import org.springframework.beans.factory.support.BeanDefinitionRegistry;  
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;  
import org.springframework.boot.CommandLineRunner;  
import org.springframework.context.ApplicationContextInitializer;  
import org.springframework.context.ConfigurableApplicationContext;  
import org.springframework.stereotype.Component;  
  
import java.lang.reflect.Constructor;  
  
@Component  
public class MyLoadTestConfig implements ApplicationContextInitializer, BeanDefinitionRegistryPostProcessor, BeanFactoryPostProcessor  
  , InstantiationAwareBeanPostProcessor, SmartInstantiationAwareBeanPostProcessor, BeanFactoryAware  
  , BeanNameAware, InitializingBean, FactoryBean<MyLoadTestConfig.TestFactoryInnerBean>  
  , SmartInitializingSingleton, CommandLineRunner, DisposableBean {  
  
  /*  
  在容器刷新之前调用此类的initialize方法  
 */  @Override  
  public void initialize(ConfigurableApplicationContext applicationContext) {  
  System.out.println("XFFF!=====ApplicationContextInitializer initialize！！！！！！！！");  
  }  
  
  @Override  
  public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry beanDefinitionRegistry) throws BeansException {  
  System.out.println("XFFF!=====postProcessBeanDefinitionRegistry!!!!!!");  
  }  
  
  @Override  
  public void postProcessBeanFactory(ConfigurableListableBeanFactory configurableListableBeanFactory) throws BeansException {  
  System.out.println("XFFF!=====postProcessBeanFactory!!!!!!");  
  }  
  
  @Override  
  public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {  
  System.out.println("[TestInstantiationAwareBeanPostProcessor] ===BeforeInitialization========postProcessBeforeInitialization!!!!!!!!!!!" + beanName);  
  return bean;  
  }  
  
  @Override  
  public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {  
  System.out.println("[TestInstantiationAwareBeanPostProcessor] ===AfterInitialization=== after initialization " + beanName);  
  return bean;  
  }  
  
  @Override  
  public Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) throws BeansException {  
  System.out.println("[TestInstantiationAwareBeanPostProcessor] ===BeforeInstantiation=== before instantiation " + beanName);  
  return null;  
  }  
  
  @Override  
  public boolean postProcessAfterInstantiation(Object bean, String beanName) throws BeansException {  
  System.out.println("[TestInstantiationAwareBeanPostProcessor] ===AfterInstantiation=== after instantiation " + beanName);  
  return true;  
  }  
  
  @Override  
  public PropertyValues postProcessProperties(PropertyValues pvs, Object bean, String beanName) throws BeansException {  
  System.out.println("[TestInstantiationAwareBeanPostProcessor] ===PROPERTY=== postProcessPropertyValues " + beanName);  
  return pvs;  
  }  
  
  @Override  
  public Constructor<?>[] determineCandidateConstructors(Class<?> beanClass, String beanName) throws BeansException {  
  System.out.println("[TestSmartInstantiationAwareBeanPostProcessor] determineCandidateConstructors " + beanName);  
  return null;  
  }  
  
  @Override  
  public Object getEarlyBeanReference(Object bean, String beanName) throws BeansException {  
  System.out.println("[TestSmartInstantiationAwareBeanPostProcessor] getEarlyBeanReference " + beanName);  
  return bean;  
  }  
  
  @Override  
  public void setBeanFactory(BeanFactory beanFactory) throws BeansException {  
  // beanFactory.getBean(ApplicationContextInitializer.class).getClass().getSimpleName()  
  System.out.println("[TestBeanFactoryAware] !!!!!setBeanFactory ");  
  }  
  
  @Override  
  public void setBeanName(String name) {  
  System.out.println("[setBeanName] !!!!!BEANNAME====== " + name);  
  }  
  
  @Override  
  public void afterPropertiesSet() throws Exception {  
  // 进行系统启动的时候一些业务指标的初始化工作  
  System.out.println("[afterPropertiesSet] ====== ");  
  }  
  
  @Override  
  public TestFactoryInnerBean getObject() throws Exception {  
  // 可定制实例化Bean的逻辑  
  System.out.println("初始化bean方式=====");  
  return new TestFactoryInnerBean();  
  }  
  
  @Override  
  public Class<?> getObjectType() {  
  return TestFactoryInnerBean.class;  
  }  
  
  @Override  
  public boolean isSingleton() {  
  return true;  
  }  
  
  public static class TestFactoryInnerBean{  
  
 }  
  @Override  
  public void afterSingletonsInstantiated() {  
  // 所有单例对象初始化完毕后，做一些后置的业务处理  
  System.out.println("[afterSingletonsInstantiated] !!!ALL BEAN AFTERInitialization@@@@@@@@@@");  
  }  
  
  
  @Override  
  public void run(String... args) throws Exception {  
  // CommandLineRunner 整个项目启动完毕后，自动执行  
  System.out.println("[CommandLineRunner] @@@@@@@AFTER Application Run");  
  }  
  
  @Override  
  public void destroy() throws Exception {  
  // 此对象销毁时触发  
  System.out.println("[DisposableBean] =====DESTROY=====");  
  }  
}

package com.zjasm.change;  
  
import com.zjasm.change.config.MyLoadTestConfig;  
import org.springframework.boot.SpringApplication;  
import org.springframework.boot.autoconfigure.SpringBootApplication;  
import org.springframework.scheduling.annotation.EnableAsync;  
import org.springframework.scheduling.annotation.EnableScheduling;  
  
@SpringBootApplication  
@EnableAsync  
@EnableScheduling  
public class ChangeApplication {  
  
  public static void main(String[] args) {  
  SpringApplication springApplication = new SpringApplication(ChangeApplication.class);  
  springApplication.addInitializers(new MyLoadTestConfig());  
  springApplication.run(args);  
  }  
  
}