First release candidate of Spring 1.1-优快云博客

本文介绍了Spring框架的多项新特性和功能增强。包括IoC容器支持方法注入、可从静态工厂方法获取对象，支持JMS消息收发、Apache OJB作为ORM替代方案，改进JDO支持、SQL异常处理，支持嵌套事务和保存点，AOP代理可序列化，增强Velocity和FreeMarker支持，优化父子Bean定义概念。

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New features and enhancements in Spring 1.1 RC1 include:

IoC container supports Method Injection: the overriding of concrete or abstract methods, typically to look up a dependency managed by the container. This means even less need to implement Spring-specific interfaces such as BeanFactoryAware.
The IoC container can now obtain objects from static factory methods as well as constructors. This enhancement allows excellent AspectJ integration: it is now possible to configure AspectJ aspects using Spring Dependency Injection, like any object. We plan to provide examples of AspectJ integration before 1.1 final.
Support for sending and receiving JMS messages
Support for Apache OJB as an ORM alternative, within Spring's consistent data access abstraction
Significantly improved JDO support
Greater flexibility in translating SQLExceptions, and other JDBC enhancements
Support for nested transactions and savepoints when working with JDBC. Declarative transaction management can support nested transactions.
AOP proxies are now serializable if all Advisors and target are serializable
Improved Velocity and FreeMarker support
Reworked parent/child bean definition concept: a child can now override any inherited settings. This can be used to simplify configuration.

Spring 1.1 final is scheduled for release in mid August, and will be 100% backward compatible with Spring 1.0.2. As Spring aims to minimize dependency of application code on the framework, and because changes are backward compatible, we do not expect that existing applications will require any code changes to migrate to Spring 1.1.