使用Client程序调用服务。
此外，一个应用程序可以对另一个应用程序调用服务来通知其更改情况，但是这种方法有三个问题。
Again, one application can invoke a service on another application to inform it of a change, but there are three problems with this approach.
为此，有关怎样、哪里能通过程序的方式调用服务的信息就很有必要了，而绿页就提供了这样的信息。
To do that, information on how and where to programmatically invoke a service is needed, and the green pages provide this information.
接下来调用评测处理程序来记录服务调用的启动，之后，记录它的结束。
The metering handler is then called to record the service invocation start, and later, its completion.
服务的语义描述的用途在于，可帮助服务请求程序在调用服务前理解服务的内容、范围、要求、输出和效果。
The purpose of the semantic description of the service is to help the service requester to understand the content, scope, requirements, outcomes and effects before the service is invoked.
请记住，服务并不是免费的：对于调用每个服务，应用程序都将以损失一定性能为代价。
Keep in mind that services do not come for free: an application pays a premium in the form of performance with each service that is invoked.
在这一节，您将使用Web服务向导为您的Stockquote Web服务创建一个客户机代理，即Web应用程序用于调用Web服务的代码。
In this section, you'll use the Web service wizard to create a client proxy for your StockQuote Web service, that is, the code that a Web application USES to call the Web service.
现在您创建了一个服务和服务客户机，可以随时编写一个BPEL流程模型应用程序来调用这个服务。
Now that you've created a service and service client, you're ready to compose a BPEL process model application to invoke this service.
面向服务的体系结构(SOA)允许服务客户端以一致、灵活的方式调用服务提供程序。
A service oriented architecture (SOA) enables service clients to invoke service providers in a consistent and flexible manner.
当应用程序调用此服务时，服务会将请求路由到恰当的后端系统。
When an application calls this service, a service routes the request to the appropriate back-end system.
具备SOA的应用程序应当使用ESB来调用它的服务。
An application with an SOA should use an ESB to invoke its services.
JAX-RPC规范为存根定义了一个基本接口，这个接口支持一个允许请求程序在调用服务前更改端点地址的方法。
The JAX-RPC specification defines a base interface for stubs that supports a method allowing the requestor to modify the endpoint address before invoking the service.
这种加密应用到所有的IP数据包，而不会根据应用程序或服务调用情况进行启用或禁用。
This encryption is applied to all IP packets and is not enabled or disabled on a per application or per service invocation basis.
如图9所示，应用程序由调用信用审核服务的贷款处理模块组成。
As Figure 9 shows, the application consists of a loan processing module that calls a credit-check service.
获得的每个动态服务都将调用对应的服务实用程序类。
For each dynamic service obtained, the corresponding services utility class is invoked.
根据客户端存根开发客户机应用程序，以调用服务。
Develop the client application from the client-side stubs to invoke the service.
应用程序代码调用客户应用程序登录配置进行服务器端标识断言。
The application code invokes a customer application login configuration for the server-side identity assertion.
例如，应用程序可以在调用服务前检查WSRR，以查找最能满足其功能和性能需求的服务实例。
For example, an application can check WSRR just before invoking a service to locate the service instance best satisfying its functional and performance requirements.
WSDL的通用定义允许开发工具创建各种各样类型的交互的通过接口，同时隐藏它是如何由应用程序代码调用服务的细节。
The common definition for WSDL allows development tools to create common interfaces for various styles of interaction, while hiding the details of how it invokes the service from the application code.
连接编校服务器和客户端之后，您的应用程序可通过SOAP引擎调用服务器的服务。
Once the redaction server and the client are connected, your application can invoke the server's services through the SOAP engine.
这意味着客户应用程序将动态地调用服务以完成任务。
This means that the service will be dynamically invoked by the client application to fulfill its task.
现有应用程序会调用静态服务实现，因此通过引入选择器可以使应用程序变得更灵活。
The existing application invokes a static service implementation, so you will make the application more flexible by introducing a selector.
调用动态服务实用程序方法，从而提供对要调用的正确的服务实用程序类的映射。
Call the dynamic service utility method for providing mapping to the correct service utility classes to invoke.
事件侦听程序将调用后端服务。
回调告诉GWT应用程序远程服务调用是否成功地执行了。
The callback informs the GWT application of whether the remote service call has been executed successfully.
用户键入一个ID并按下按钮来调用服务器程序。
The user types an ID and presses a button to invoke the server program.
一个或多个提供者应用程序通过发送请求消息并处理响应消息来提供服务，请求者应用程序调用这些服务。
The requestor application invokes services offered by one or more provider applications by sending request messages and processing response messages.
“服务生成器”的功能是根据显式接口为代理、调用程序和服务类生成框架代码，它已经被部分编写出来。
A partial "service Generator" was written that generated skeleton code for proxy, invoker, and service classes from an explicit interface.
程序异步地调用JSON服务。
您现在已经看见了从Flex应用程序中调用Web服务的机制，但是您怎样处理这些调用结果呢？
You have now seen the mechanism for invoking a web service from a Flex application, but how do you process the results?
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