What if the Service contract changes?

如果服务契约改变了呢？

The issue deals with service contract design.

这一问题关心服务契约的设计。

XML namespaces used by the service contract documents.

服务契约文档使用的XML名称空间。

The vacation request form describes a service contract.

休假申请单描述了一个服务契约。

Users do not even have to have a wireless service contract.

用户甚至不需要签订无线网络服务合同。

The report ties Service Policy to Service Contract as follows.

报告将服务策略与服务契约这样联系起来。

Role bindings specify what role the part plays in a service contract.

角色绑定指定了该部分在服务契约中扮演什么角色。

Name and description of the interfaces and the XML types used by the service contract.

接口的名称和描述以及服务契约使用的xml类型。

A service contract is an important aspect that helps determine an initiative's success.

服务契约是帮助确保活动成功的一个重要方面。

In this case, Service Description may be a default Service Contract to every consumer.

在这种情况下，服务描述可能是针对每个消费者的一个缺省服务契约。

Note - This pattern can be applied regardless of whether the service contract is decoupled.

不论服务是否解耦，该模式都能被应用。

This might involve using their forums for support or establishing an external service contract.

这也许涉及使用他们的论坛获取支持，或者建立一个外部服务合同。

Strict - Any compatible or incompatible change results in a new version of the service contract.

严格——所有兼容或不兼容的更改都将产生服务契约的新版本。

Also, the service contract should be at the specification level (not at the implementation level).

而且，服务契约应处于规范级别(而非实现级别)。

The service contract is the foundation of your SOA initiative, so choose the attributes carefully.

服务契约是 SOA 活动的基础，因此要谨慎地选择各个特征。

The Service Contract ties together multiple related operations into a single functional unit.

Service Contract将多个相关的操作集成为一个单功能单元。

The Service Contract might also include a UML behavior that describes how the roles interact.

Service Contract 也可能包含描述角色交互方式的 UML 行为。

Then there are those people who may just want the iPhone 3G S without a service contract from AT&T.

然后还有的人可能只想要iPhone 3G S手机，不想要AT&T的服务合约。

The role bindings indicate which part of the service provider plays which role in the service contract.

角色绑定指示出服务提供者的哪一个部分在服务契约中扮演哪一个角色。

The Service Description Framework (SDF)... is one of those technology-neutral Service contract templates.

服务描述框架(SDF)……是一种技术中立的服务契约模板。

These constraints indicate what the service contract is intended to accomplish and how to measure success.

这些约束指出服务契约要完成的是什么，以及如何衡量是否成功。

I believe this is inappropriate, because the WSDL is supposed to represent the published service contract.

我认为这是不合适的，因为WSDL应该表示公布的服务合约。

Infoq: in your book you are equating service interface to service contract and suggest to use WSDL for both.

InfoQ：您在这本书里将服务接口和服务契约等同起来，并建议二者都使用WSDL。

It contains service adapters, which implement the service contract and expose its functionality to endpoints.

它包含了服务适配器，该适配器实现了服务契约，并将其功能暴露给终结点。

Remember when it felt really special to get a free basic cell phone when you signed a two-year service contract?

还记得你如果签一个为期两年的服务合约，就可以得到一部免费的蜂窝电话的那种特别感觉吗？

Users will need to sign up for a two-year service contract with a data plan and pay $199.99 for the first device.

顾客需要为自己购买的第一台设备签一个为期两年的数据服务合同并支付199.99美元。

Some of the important information you might find in a service contract are described below in the next few subsections.

接下来我们将对服务契约中可能出现的一些重要信息进行描述。

A collaboration use has been added to the OrderProcessor service provider to indicate the service contract it fulfills.

一个协作使用被添加到OrderProcessor服务提供者中，指出它所完成的服务契约。

For modeling a Service Contract, you can apply the Service Contract stereotype (Figure 4) on a class or an interface.

为了对Service Contract建模，您可以在一个类或者界面上应用Service Contract构造型(图4)。