It's quite a nice arrangement, and because the JBD is being developed as a separate, generic entity, it could be used to add journaling capabilities to other filesystems in the future.
这是很好的安排，因为JBD是作为一个单独的、一般实体而开发的，将来它可以用于向其它文件系统添加日志记录能力。
Data services - also known as Entity services - are reusable because of several characteristics - generic nature, platform interoperability, and support for multiple consumption patterns.
数据服务(又称实体服务[entity Services])因为几个特性使其具有可重用性：通用的天性、平台互操作性，以及支持多种消费模式。
Because it is generic, it should deal with types rather than a concrete implementation of an entity. As a summary, it should adhere to the following interface definition.
由于是泛型，因此它处理的是类型而不是具体的实体实现。
The key to the dependency-injection approach is that you query data by injecting the Class of the entity that the DAO will be querying, along with defining the generic type.
依赖项注入方式的关键是，在查询数据时，要注入DAO将查询的实体的Class并定义泛型类型。
This method is different from generic methods, which is the same with not only single entity section ring, but also complex entity section ring.
其与一般方法不同的是，不仅适用于单实体截面轮廓，也适用于多实体截面轮廓。
This method is different from generic methods, which is the same with not only single entity section ring, but also complex entity section ring.
其与一般方法不同的是，不仅适用于单实体截面轮廓，也适用于多实体截面轮廓。
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