In the case of geographic data access objects, the paper illustrates the geographic data access class realized by oriented-object technology.
地理数据访问对象方面，介绍了采用面向对象技术设计实现的地理数据访问类。
In earlier steps, you provided the information required for the ZRM, including data source class name, database location, and access information for the database.
在前面的步骤中，您已经提供了ZRM所需的信息，包括数据资源类名、数据库位置和数据库的访问信息。
Personally I like the idea of keeping all the data access logic encapsulated in that class.
我个人倾向于将所有的数据访问逻辑封装到这个类中。
Access to data fields inherited from a virtual base class is not supported.
不支持访问从虚拟基类继承的数据字段。
We will get to the annotations on this class shortly, but let me first explain the data access.
随后我们将注释这个类，但首先我们讲解一下数据访问。
One of the approaches for overcoming drawbacks of the previous pattern is to treat enterprise data access as a first class business services.
克服上一个模式缺点的一种方法就是将企业数据存取当作第一级的业务服务。
The key reason why we decided to have a utility class for data access was to ensure that the same classes could be used to connect to any type of Domino database.
决定实现一个实用程序类来进行数据访问的关键原因是，希望确保可以使用相同的类来连接任何类型的Domino数据库。
Spring defines a coherent data access exception class hierarchy (Figure 12) that you can use as a basis for your service- and DAO-layer exceptions.
Spring定义了一致的数据访问异常类层次结构（请参见图12），您可以将其用作服务和DAO 层异常的基础。
Since the Person class is what the app's data access layer returns, it is definitely not suited for consumption by the UI.
由于Person类是应用的数据访问层返回的东西，它绝对不适合直接被UI使用。
This is a specific implementation of the Repository class for Service Registry, which provides the primary interface to the data access layer.
这个类是服务注册中心Repository类的一个具体实现，它为数据访问层提供了基础的接口。
You need to implement the methods in your table model class, so the JTable bean can access the data in the model and present it in its view of the table.
您需要在表格模型类中实现这些方法，这样，JTablebean就可以访问模型中的数据，并在表格视图中显示出来。
The service implementation class USES the data access layer directly (ServiceRegistryRepository class) for execution of service.
Service的实现类直接使用数据访问层(serviceregistryrepository类)来执行服务。
As we'll see in future tutorials, ASP.NET 2.0's ObjectDataSource makes it easy to declaratively access data from a class.
我们将在后面的教程中看到，ASP.NET 2.0的ObjectDataSource使从一个类中访问数据更加容易。
Listing 4 shows a class data access object class, hence the name TeamDao.
清单4显示的是类数据访问对象类，名为TeamDao。
Any access to the data repository is made through a thread-safe wrapper class named RepositoryWrapper.
对数据存储库的所有访问都是通过一个名为RepositoryWrapper的线程安全类实现的。
Now you can easily add data access methods to this class... such as the GetProductsByCategory method we use above.
现在，你可以很容易地为该类添加数据访问方法了，例如我们之前使用的GetProductsByCategory方法。
Spring's data access facilities automatically translate data-access exceptions into this exception class hierarchy.
Spring的数据访问功能自动将数据访问异常转换为此异常类层次结构。
Figure 16: Example of a simple Data Access Object class that we might want to profile.
图16：需要测量的简单的数据访问接口类。
Physical class and attribute structure of system interfaces (which will equate to database structures where direct data access is the best or only option).
系统接口的物理类及属性结构(等同于数据库结构，在其中直接数据访问是最好或唯一的选择)。
The implementation class name is never used by other layers of the data access application; they always reference and use the user-defined data access interface.
数据访问应用程序的其他层不会使用实现类的名称；它们总是引用和使用用户定义接口。
Figure 1 illustrates the relationship between the user-defined data access interface, the code generator, and the generated implementation class.
图1说明了用户定义的带注释的方法接口、代码生成器和生成的实现类之间的关系。
Once the relevant data is retrieved from the data source, the Model service populates the data Access Object and sends it back to the Action class.
一旦从数据源取出了相关数据，模型服务就可以聚集数据访问对象并将它发送回给action类。
Everyone is talking about HTML5 but the innovation is going to happen once the web is a first class platform with access to device sensors (like the camera) and device data (photos, for example).
每个人都在谈论HTML5，一旦Web成为访问设备传感器（如照相机）和设备数据（如相片）的首选平台，革新就会发生。
Let's say that at the beginning of the day you have a class called BusinessProcess whose job is to, well, execute a business process. Along the way, it needs to access data from a data source.
就拿最早的例子来说，你有一个称为BusinessProcess的类，它的工作是，嗯，执行业务处理。
In some cases, data can be declared as "protected," with access limited to the class and its derivatives.
在某些情况下，通过限制对类及其派生类的访问权，可以将数据声明为“受保护的”。
It is also useful for fine-tuning the exportable interface: when you know that the client, by definition, is unable to access some private data, you need not export the entire class.
这对于微调可导出的接口也很有用：如果根据定义，客户无法访问一些私有数据，你没必要导出整个类。
Static methods can only access instance methods or instance data after an instance of the class is created. That is, after an object has been created.
静态方法只能在实际对象被创建后使用实际变量和实际方法。
However, if the class is inheritable and you expect a hierarchy of derived classes, it might be necessary for these derived classes to access the data or code.
但是，如果此类是可继承的，且之前已经有派生类的层次结构，则这些派生类可能需要访问此数据或代码。
However, if the class is inheritable and you expect a hierarchy of derived classes, it might be necessary for these derived classes to access the data or code.
但是，如果此类是可继承的，且之前已经有派生类的层次结构，则这些派生类可能需要访问此数据或代码。
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