This tutorial explains how to use @Autowired annotation for injecting the spring beans with simple example. This tutorial helps reader to understand various ways to use @Autowired in your application. Enjoy happy reading!!! In my previous post I mentioned about the use of @Required annotation for container configuration. In this post I shall cover the …
@Required Annotation in Spring
Since Spring 2.5, annotation-based configuration has been an alternative to XML setups. Annotation based configuration rely on the bytecode metadata for wiring up components instead of angle-bracket declarations (Also Read : Introduction to Spring Boot). Annotations can be used on the relevant class, method, or field declaration. In this tutorial I am going to explain …
Write your Extension Endpoints for Spring IOC Container
In the previous post Custom Spring Callback Methods I discussed about the customizing bean lifecycle callback methods which are required at the time of bean initialization and its destruction. In this post I shall cover another aspect of Spring Container Extension Points. Note:Extension Points are well defined exposed places/hooks for others to provide extended functionality. …
How to write Custom Spring Callback Methods?
A Spring process follows bean based approach.The Spring bean is created, managed and dispensed by the Spring IoC container. Each Spring bean has a lifecycle and the lifecycle has to undergo the following stages: Instantiate – The Spring container instantiates the bean. Populate properties- Spring IoC container injects the bean’s properties. Set Bean Name- Spring …
Custom Scope for Spring Beans
In my previous posts Spring bean scopes (Singleton and Prototype) with example and Spring bean scopes (Request, Session, Global Session) with example I discussed about the bean scopes in spring. There’s one more scope which I forgot to mention, its the Thread scope. The spring documentation states that As of Spring 3.0, a thread scope …
Spring bean scopes (Request, Session, Global Session) with example
When you define a bean in the configuration file, you are just defining the structure of the bean or it is just a class. With that definition, you can create any number of instances. Here the advantage of the bean is that, you are not only allowed to define the dependencies for the beans, you …
Spring bean scopes (Singleton and Prototype) with example
When you define a bean in the configuration file, you are just defining the structure of the bean or it is just a class. With that definition, you can create any number of instances. Here the advantage of the bean is that, you are not only allowed to define the dependencies for the beans, you …
Hibernate Many-To-Many Mapping Example Using Annotations
In this tutorial we will write a simple Java project to demonstrate Hibernate Many to Many Mapping using Java Annotations. We will first create a Java project using Maven and then will add Hibernate on it. If you have any questions, please post it in the comments section. If you are interested in receiving the …