AbstractBeanDefinition of Spring source code analysis

primary

When multiple bean candidates appear during autowiring, they will be the first choice.
Corresponds to the primary of the bean tag attribute in the XML configuration. <bean id="xxx" class="xxx" primary="true">
Corresponding notes:@org.springframework.context.annotation.Primary

initMethodName

Initialization method.
Corresponds to the init-method of the bean tag attribute in the XML configuration. <bean id="xxx" class="xxx" init-method="xxx">
Corresponding notes:@javax.annotation.PostConstruct

destoryMethodName

Destruction method.
Corresponds to the destruction-method of the bean tag attribute in the XML configuration. <bean id="xxx" class="xxx" destroy-method="xxx">
Corresponding notes:@javax.annotation.PreDestroy

Annotation configuration case:

@Service
@org.springframework.context.annotation.Primary
public class GuavaCache implements ICache {
    @Override
    public void greet() {
        // ...
    }
    @javax.annotation.PostConstruct
    public void init() {
        // ...
    }
    @javax.annotation.PreDestroy
    public void destroy() {
        // ...
    }
}