数据源组件(dsc)是需要从外部数据源获得数据的控件的骨干框架。
The data source component (DSC) is the backbone for controls that require data from external sources.
但是，很多时候存在一组采用相同方式访问数据源的EJB组件，反复地定义相同的资源引用就成了一件非常费力的工作。
However, many times I will have a group of EJB components that access the data source the same way, and it becomes a big pain to define the same resource reference over and over again.
它描述了利用JUnit和Rational Application Developer平台，如何测试部署在应用软件服务器中的基于数据源的组件。
It describes how to test a data source based components that are deployable in an application server using JUnit and the Rational application Developer platform.
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