9/25/2023 0 Comments Life cycle of a lima beanExplore our Popular Software Engineering Courses It is called just before the destruction of a bean. It is called after bean construction and before requesting an object. PostConstruct and PreDestroy annotations: PostConstruct is an annotated method. ApplicationContextAware: setApplicationContext() method under this specific interface provides the ApplicationContext of the bean.BeanNameAware: setBeanName() method under BeanNameAware interface provides the name of the bean.BeanFactoryAware: setBeanFactory() furnishes access to the bean factory that created the object.Some of the important Aware Interfaces include: These interfaces inculcate certain distinct behavior to a created bean. Custom created init method is used for instantiation of a beanĪware Interfaces: Spring Framework infrastructure provides several aware interfaces. In this way, we can create a single bean.Ĭheck out: Top 7 Exciting Spring Boot Projects & Topics For Beginners Following is the program depicting this instantiation process by loading beans.xml The local definition of a single bean is shown below. This method is used in the class for bean instantiation. Init-method of this file is used to specifically name the instantiation method. Custom created method of instantiation in the bean configuration file: In this process, an XML based configuration file is used.Public class Creatingbean implements void afterPropertiesSet() throws Exception This enables using the afterPropertiesSet() method of that interface in the created class.įollowing is the program depicting this instantiation process In the program below, a class is created which implements this interface. ![]() ![]() This method is present in .InitializingBean interface. ![]() InitializingBean callback interface: Instantiation in this way is done in a method named afterPropertiesSet().The creation of a bean rests on JAVA or XML bean configuration file. The first process in the spring bean life cycle is an instantiation. Custom destroy() method from the bean configuration file.Ĭheck out upGrad’s Full Stack Development Bootcamp (JS/MERN) Instantiation of a bean.PostConstruct and PreDestroy annotations.Custom init() method from the bean configuration file.Read: Top 18 Exciting Spring Projects Ideas & Topics For Beginners Spring bean life cycle can be controlled in the following ways
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