XML shortcut with the p-namespace ........................................................53
XML shortcut with the c-namespace ........................................................54
Compound property names ......................................................................55
Using depends-on ...........................................................................................55
Lazy-initialized beans .....................................................................................56
Autowiring collaborators .................................................................................56
Limitations and disadvantages of autowiring ............................................58
Excluding a bean from autowiring ...........................................................58
Method injection ............................................................................................59
Lookup method injection .........................................................................60
Arbitrary method replacement .................................................................61
4.5. Bean scopes .....................................................................................................62
The singleton scope ........................................................................................63
The prototype scope ........................................................................................64
Singleton beans with prototype-bean dependencies ...........................................65
Request, session, and global session scopes ......................................................65
Initial web configuration .........................................................................65
Request scope .........................................................................................66
Session scope .........................................................................................66
Global session scope ...............................................................................67
Scoped beans as dependencies .................................................................67
Custom scopes ...............................................................................................69
Creating a custom scope ..........................................................................69
Using a custom scope ..............................................................................70
4.6. Customizing the nature of a bean .......................................................................71
Lifecycle callbacks .........................................................................................72
Initialization callbacks ............................................................................72
Destruction callbacks ..............................................................................73
Default initialization and destroy methods ................................................73
Combining lifecycle mechanisms ............................................................75
Startup and shutdown callbacks ...............................................................75
Shutting down the Spring IoC container gracefully in non-web applications 77
ApplicationContextAware and BeanNameAware ..............................................78
Other Aware interfaces ...................................................................................78
4.7. Bean definition inheritance ...............................................................................80
4.8. Container Extension Points ...............................................................................82
Customizing beans using a BeanPostProcessor .................................................82
Example: Hello World, BeanPostProcessor-style ......................................83
Example: The RequiredAnnotationBeanPostProcessor ..............................84
Customizing configuration metadata with a BeanFactoryPostProcessor ..............85
Example: the PropertyPlaceholderConfigurer ...........................................86
Example: the PropertyOverrideConfigurer ...............................................87
Customizing instantiation logic with a FactoryBean ..........................................88
4.9. Annotation-based container configuration ..........................................................89
@Required .....................................................................................................90
Spring Framework
3.1 Reference Documentation iv
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