Friday, March 13, 2009

Spring in a Nutshell


The Inversion of Control (IoC) container - For Dependency Injection

Xml Configuration,Java Configeration and Property File Based Configeration

Instantiation using a static factory method,Instance factory method

Injecting dependencies - Constructor Injection,Setter Injection

Dependencies and configuration -Inner beans,Collections (list, set, map, and props elements allow properties)

Other features- depends-on,Lazy-init,Autowiring

Method Injection- for Injecting prototypes into singletons objects

Bean scopes- singleton,prototype,global,session,request,Custom scopes

Lifecycle callbacks- init,destroy

Shutting down the Spring IoC container gracefully in non-web applications

Bean definition inheritance

Container extension points- BeanPostProcessors,PropertyPlaceholderConfigurer etc

Annotation-based configuration- @Required, @Autowired, @Qualifier, @Component, @Service, @Repository

Using filters to customize scanning

Registering a LoadTimeWeaver

Aspect Oriented Programming with Spring

AOP- Aspect,Joint Point,Advice,PointCut,target,Weaving,AOP Proxy

Choosing which AOP declaration style - Spring AOP or full AspectJ

Spring AOP -- @AspectJ or XML for Spring AOP

Spring AOP APIs

Support for AspectJ load-time weaving

Transaction Managemnt

ORM Data Access - Hibernate,JDO,Oracle TopLink,IBatis,JPA etc

Spring MVC

View Technology - JSp & JSTL , Tile,Velocity,FreeMarker,XSTl , Jasper Reports

Spring Remoting

Intergration with Quartz for Scheduling

MethodInvokingFactoryBean - > to call methods of instantiated beans .


<bean id="RequestObject" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">

<property name="targetObject" ref="createdBean"/>
<property name="targetMethod" value="methodToBecalled"/>
<property name="arguments">
<entry key="xxxxxx" value-ref="yyyyyyyy" />

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