客户端调用服务组件处理订单。
The client invokes the service component to process the order.
使用Client程序调用服务。
第1步：调用服务，以检查信贷分类。
这是一个需要调用服务的客户端应用程序。
This is a client application which needs to invoke the service.
构造调用服务的客户端。
调用速率：调用服务或方法的速率。
Invocation rate: The rate at which a service or method is being invoked.
创建BPEL流程模型应用程序来调用服务。
Create BPEL process model application to invoke the service.
调用服务需要知道其位置，即服务端点地址。
Invoking the service requires knowledge of its location; that is, the service endpoint address.
调用服务。
这种支持包括生成WSDL和样本客户端代码来调用服务。
This support includes generation of the WSDL and sample client code for invoking the service.
它的基本实现对于每个对象都调用服务器(请求国家列表)。
Its basic implementation called the server (to get the countries list) for each object.
那么，我需要做什么才能动态地发现和调用这个服务？
So what do I need to do to dynamically discover and invoke the service?
这里再次遇到了路由挑战：如何调用多个服务中的一个？
Here again comes the routing challenge: how to call one service among many?
例如，因为输入数据损坏而导致服务调用失败。
For example, a service call fails because the input data is corrupted.
谁有权限调用某个服务？
作为中介流中的一个步骤调用某个服务。
如果需要添加新组件，只需调用附加服务。
If we need to add new components, we just call additional services.
然而，为了服务调用它可能还支持其他的协议。
However, it is possible to support other protocols for service invocation.
远程过程调用：两个系统都暴露另一个能调用的服务。
Remote Procedure Call: each of two systems expose services that the other can call.
将使用这些组件调用其他服务。
但哪个才是调用特定服务的正确通道呢？
But which is the correct channel to invoke a specific service?
服务调用技术必须能够提供所有这些安全功能。
Service invocation technologies must be able to provide all of these security capabilities.
当参数对象实例化完成之后，您就准备好了调用REST服务。
Once the parameters object is instantiated, you are ready to invoke the REST service.
而服务实现又可以调用其他服务，这些服务通常来自另外的服务应用程序。
In turn, the service implementations might call other services, often from other service applications.
这正是此处要调用的服务。
本文将说明如何编写调用此服务的简单客户机。
This article explains how to write a simple client that will invoke the service.
图2显示了服务调用的流程。
调用响应速率：服务或方法响应的速率。
Invocation response rate: The rate at which a service or method responds.
该扩展还处理调用SOAP服务的远程过程调用。
Remote procedure calls to invoke the SOAP service are also handled by the extension.
最后一步是调用决策服务和打印贷款利率。
The last step is to invoke the decision service and print the loan rate.
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