But wait — where are your validations?
但是等等——验证在哪里？
Some data validations should live with the data, some shouldn't.
一些数据验证应该和数据存放在一起，而另一些则不应该。
I still had to specify all my validations and initial migrations.
我仍然需要写明所有的验证器和初始迁移。
The first step in any transaction is to perform business validations.
任何事务中第一步都是执行业务验证。
In this case, I simply add the validations for the individual fields.
这里只要为每个字段增加验证就够了。
Invite customers to do targeted usability evaluations and validations.
邀请客户进行目标系统可用性的评估和确认。
But the consumer needs to know immediately whether basic validations succeeded.
但使用者需要立即知道基本验证是否成功。
Should any of the validations fail, an error message is returned to the caller.
如果任何验证失败，会向调用方返回错误消息。
For our Team Room example, say we wanted the following validations for a subject.
对于TeamRoom示例，假设我们希望对主题做以下检验。
To do this, you can define custom validations or use a set of standard validations.
为此，可以定义定制的检验或使用标准的检验集。
When an application applies those constraints on data, the constraints become validations.
应用程序将这些约束应用于数据时，约束也就成了验证。
Unfortunately (or fortunately), this JSR focuses on constraint declarations and validations.
不幸的是（或许也是幸运的），这个JSR侧重于约束声明和验证。
CAMV supports creating validations rules for providing Warning messages in addition to Errors.
CAMV支持创建错误和警告消息的验证规则。
These will be set if the user posted data that failed validations against the Recipe model object.
如果用户发布的数据没有通过Recipe模型对象的验证就会设置这些消息。
As for validation, it ensures data contains the expected content. Here are two typical validations.
至于验证，它用于确保数据包含所期望的内容。
You can find a list of the Active Record model validations that can be defined in the class scope here.
在这里可以找到可以在类范围中定义的ActiveRecord模型检验列表。
As well, ActiveRecord associations and validations are redundant specifications of database constraints.
同样，ActiveRecord的关联和校验对于数据库的约束定义来说也是一种冗余。
Some constraints should be validated after others, and not validated unless the previous validations pass.
s一些约束应该在另外一些之后再验证，而且只有前面的验证通过才能进行验证。
After the validations, the underlying systems are updated, again either in parallel as shown, or in sequence.
验证之后，将更新基础系统，按图中所示并行进行，或按顺序进行。
While this sounds very similar to unit testing, what's news is that those validations can be performed at build time.
这听起来与单元测试很相像，不过它意味着现在已经可以在构建期间执行这些验证了。
As you saw in Figure 1, conversion occurs in the apply request values phase and validation in the process validations phase.
正如图1所示，转换发生在应用请求值阶段，而验证发生在处理验证阶段。
In the field Properties window, select the field validations TAB to create field validations for the data entered into the form.
在FieldProperties窗口中，选择FieldValidations选项卡为输入表单的数据创建字段验证。
If all the validations are passed, a JAAS-based security context is created, including the identity of the user in a JAAS subject.
如果通过了所有的验证过程，那么将创建基于JAAS的安全上下文，包括JAAS主题中用户的标识。
Many ActiveRecord validations directly correspond with database constraints, and DrySQL generates such validations automatically.
许多ActiveRecord校验都是与数据库的约束相对应的，并且DrySQL会自动生成校验。
Data capture: the system might have multiple user roles, and the kind of data, validations and rules that execute on them all vary.
数据采集：系统可能有多重用户角色，以及各种数据，对这些用户和数据的验证以及执行的规则都是不同的。
Geddy has extensive tests for its router, and a solid suite of tests for models and validations, but the rest of the code isn't covered.
Geddy有大量针对路由器的测试，还有一套针对模型和验证的测试套件，但其余代码还没有覆盖到。
The generated code is relatively simple and modifying its behavior, as well as adding validations and extra processing, is easily understood.
生成的代码相当简单，修改其行为以及添加检验功能和额外的处理也很容易。
The default metadata source for validations is annotations, but the developers can extend the meta-data through the use of XML descriptors.
其默认的元数据源是注解，但开发者可以通过XML描述符对其进行扩展。
For standard validations like checking the name, length and format of an attribute, we can make use of validations provided by Active Record.
对于标准的检验(比如检查属性的名称、长度和格式)，可以使用ActiveRecord提供的检验。
For standard validations like checking the name, length and format of an attribute, we can make use of validations provided by Active Record.
对于标准的检验(比如检查属性的名称、长度和格式)，可以使用ActiveRecord提供的检验。
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