This video describes the basic fundamentals in leveraging component scanning for building the application context in a Spring application.
- Annotation-based configuration, or component scanning,…is another way of configuring your application context.…Indicating beans that need to be managed by the bean factory…is as simple as an annotation on the class…of @component or one of its stereotypes.…Typical stereotypes include @controller,…@service and @repository.…Some of these sterotypes add additional behavior…to your bean through the proxies that come along with them,…such as the @repository.…
Dependency injection with component scanning…is achieved through auto-wiring.…Now, because you could only have a ingle implementation…when using simple auto-wiring,…Spring allows you to use the @qualifier annotation…to specify which bean to inject in which case.…To complement this, you can provide a bean name…on the @component annotation.…We've also already seen how the @value annotation…can be used to inject properties into your classes.…
In order to leverage component scanning,…you need to start with a Java class or an X-M-L config,…which we will discuss in the next chapter.…
AuthorFrank P Moley III
- Introduction to Spring
- Configuring the ApplicationContext
- Using the Spring expression language
- Configuring proxies
- Autowiring beans
- Using lifecycle methods
- Configuring beans with XML
- Understanding the initialization phases of the bean lifecycle
- Aspect-oriented programming and Spring
Skill Level Intermediate
Learning Spring with Spring Bootwith Frank P Moley III1h 38m Intermediate
1. Spring Overview
2. Configuring the Application Context
3. Annotation-Based Configuration
4. XML-Based Configuration
5. Bean Lifecycle
6. Aspect Oriented Programming
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