A third alternative is stateful session beans.
第三种备用方案是有状态会话bean。
Access to the session beans is restricted.
访问会话bean是受限制的。
This is especially true of stateless session beans.
对于无状态会话bean尤其如此。
Session beans provide access to business processes.
会话bean提供对业务过程的访问。
Business interfaces are optional, even for session beans.
业务接口是可选的，即使对于会话bean也是如此。
For example, an application may contain two session beans.
例如，应用程序可以包含两个会话bean。
We also try not to create any "view-aware" code in the session beans.
我们还试图不在会话bean中创建任何“有视图意识的”代码。
Stateless session beans usually front some business function and are reused by several other applications.
无状态会话Bean通常用于一些业务功能，并会供多个其他应用程序重用。
This lookup code is similar to code that's in the session or entity beans.
这段查找代码类似于会话或实体 bean中的代码。
This lookup code is similar to code that's in the session or entity beans.
这段查找代码类似于会话或实体 bean中的代码。
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