这个类还包含了为功能所需的每个元素处理业务逻辑的方法。

This class also contains methods to handle the business logic for each element of functionality required.

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虚包是包含一套方法的类，利用它，你可以从后台创建数据对象，或提供一些其它的业务功能。

The facade is a class that provides a set of methods that can create data objects from the back end, or provide some other business function.

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我们也希望能扩展生成类的功能，包括业务逻辑、授权逻辑和其他特性。

We also wanted to extend the functionality of the generated classes to include business rules, authorization rules and other features.

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