カスタムBeanDefinitionRegistryPostProcessor登録bean

カスタムBeanDefinitionRegistryPostProcessor

概要

使用

public class CustomBeanDefinitionRegistry implements BeanDefinitionRegistryPostProcessor {

    @Override
    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {

    }

    @Override
    public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
        RootBeanDefinition helloBean = new RootBeanDefinition(Hello.class);
        // Bean 
        registry.registerBeanDefinition("hello", helloBean);
    }

}

// ， @Bean 
@Configuration
public class SpringConfiguration {

    @Bean
    public CustomBeanDefinitionRegistry customBeanDefinitionRegistry() {
        return new CustomBeanDefinitionRegistry();
    }
    
}

//  ， @Component 
@Component
public class CustomizeBeanDefinitionRegistryPostProcessor implements BeanDefinitionRegistryPostProcessor {
    @Override
    public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry beanDefinitionRegistry) throws BeansException {
    //     
        Utils.printTrack("execute postProcessBeanDefinitionRegistry");

    // bean ，bean CalculateServiceImpl
        RootBeanDefinition helloBean = new RootBeanDefinition(CalculateServiceImpl.class);

        //bean spring 
        beanDefinitionRegistry.registerBeanDefinition("calculateService", helloBean);
    }

    @Override
    public void postProcessBeanFactory(ConfigurableListableBeanFactory configurableListableBeanFactory) throws BeansException {
    //         
        Utils.printTrack("execute postProcessBeanFactory");
    }
}

リファレンス