spring bean attributes

Detailed process of spring beanfactory bean instantiationSpring has never been used for a long time. Now the company only uses struts2 + hibernate, Which is unfamiliar with spring. However, when we open the original project, we are still very friendly-long-time friends! Bean instantiation in

First, build the spring environment:With the introduction of the jar package in the Lib directory and add to path, it is not too much to say.Ii. three ways to instantiate a bean:First, let's start by writing two Java classes:Interface class:Public interface Personservice {public abstract void Save ();Implementation class:public class Personservicebean implements Personservice {@Overridepublic void Save () {System.out.println ("I Am the Save () method"

Http://flysnow.iteye.com/blog/733785 #In most cases, the bean in the container is of the singleton type. If a singleton bean references another Singleton bean, or a non-singleton bean references another non-singleton bean, generally, you can define a

: Construction methodExecutive Initanddestroyseqbean:postconstructExecutive Initanddestroyseqbean:afterpropertiessetExecutive Initanddestroyseqbean:init-methodExecutive Initanddestroyseqbean:predestroyExecutive Initanddestroyseqbean:destroyExecute initanddestroyseqbean:destroy-method.We introduce the relevant methods before and after instantiation of spring Bean:@PostConstruct Init-method destroy-method aft

loads the context definition file FileSystemXmlApplicationContext from the class path: An application context that loads the context file XmlWebApplicationContext from the file system: A Spring-based web Application System context that loads context definition files from the web application context Public class TestMain {public static void main (String [] args) {// ApplicationContext ctx = new ClassPathXmlApplicationContext ("applicationContext. xml

I. knowledge points The bean post-processor allows additional bean processing before and after the initialization callback method. The main feature of the bean postprocessor is to process all bean instances in the IOC container one by one, not just a single bean instance. In

In the previous blog mentioned in the container launch Get Beandefinition object has a scope property. This property controls the scope of the Bean object. This section describes the scope and life cycle of the bean, and how it does not. I. Scope of the BeanThe bean container starts reading the bean's XML configuration file, and then converts each

In the introduction to the spring IOC container launch, a rough analysis of the launch process of the IOC container was made on the basis of Classpathxmlapplicationcontext, with no detailed description of some of the more complex steps, This article begins with some of the more complex steps that are analyzed. This article analyzes the parsing and loading process of the bean definition of the IOC container

Org.springframework.context.support.classpathxmlapplicationcontext;import Spring.com.userservice.beanfactory;import Spring.com.userservice.userservice;public class Test {@ org.junit.Testpublic void Test () {ApplicationContext context=new classpathxmlapplicationcontext (" Applicationcontext.xml "); UserService s= (UserService) Context.getbean ("Factory"); S.adduser ();}}　　Results:Third: Create with instance factory (you know)Example code:Package Spring.com.userservice;public class Beanfactory {/

I. Configuring Beans with Annotations1.1 OverviewIn contrast to XML, configuring beans in an annotated manner is more concise and elegant, and fits well with the concept of MVC component development, and is a common use in development.1.2 Using annotations to identify components① Normal components:@Component: identify a component managed by the Spring IOC container② Persistence layer components:@Respository: identifies a persistence layer component ma

The structure directory for the entire example is as follows:1. Customizing a resource fileCom.sxd.name = Shen 9th Wood com.sxd.secret = ${random.value}com.sxd.intvalue = ${random.int}com.sxd.uuid = ${random.uuid} Com.sxd.age= ${random.int (+)}com.sxd.resume = CV: ① name: ${com.sxd.name} ② Age: ${com.sxd.age}2. Bind attributes from a resource file to a bean PackageCom.sxd.beans;Importorg.springframework.b

In Spring, inheritance is used to set up a bean for a support bean to share a common value, property, or configuration. A child bean or inherited bean can inherit the configuration, properties, and some properties of its parent bean