其中假定人员活动以服务调用方式进行调用。
It is assumed that Human Activities are invoked by means of a service call.
Indigo支持2种主要的服务调用方式。
Indigo supports two major approaches to the service invocation.
SOA的一个关键特点是，实现了服务调用方式与开发方式(以及执行位置)的分离。
A key attribute of SOA is the disassociation of how services can be invoked from how they have been developed (and where they execute).
扩展实现就是真正的服务，通过特殊的打包方式以便能够在扩展点调用。
The extension implementation is the actual service, packaged in a way that makes it callable through an extension point.
无论采用哪种方式，调用服务方法时，存根都将使用所选数据绑定框架处理将请求数据对象转换为XML，以及将返回的xml转换为响应数据对象的工作。
Either way, when you call one of the service methods the stub handles converting request data objects to XML, and returned XML to response data objects, using your selected data-binding framework.
通常，以通用的方式使用POJO委托类来简化对服务的调用。
POJO delegate classes are often used simplify invoking services in a common way.
这定义了调用服务的方式、频率以及其他可调试参数等等。
This defines how the service is called, how often, and other tunable parameters, etc.
单一访问入口是确保服务调用契约的一种简单而有效的方式，使能够我们控制和测量队成员服务的访问。
This single point of access provides a simple way of enforcing service invocation contracts, allowing for controlling and metering the access to the component services.
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.
您了解了从SCA和非SCA组件访问服务的各种方式，还了解了各种错误处理机制、异步编程模型和各种异步调用。
You've seen various ways to access services from both SCA and non-SCA Java components -- and the various error handling mechanismsm asynchronous programming model and various asynchronous calls.
SCA定义了调用组件或其他SCA服务(位于其他sca模块内)的方式。
SCA defines a way for components to be invoked by, or to invoke other SCA services, that live in other SCA modules.
阻塞单传输模式：这是调用In - OutWeb服务操作最简单的方式。
Blocking Single Transport pattern: This is the simplest way of invoking an In-Out Web service operation.
get方式的实现就如同调用Web服务并返回ArrayList结果一样简单。
The implementation of the get method in your managed bean can be as simple as calling the Web service with the parameter you received and returning the result as an ArrayList.
Web应用程序具有单个JSP，提供了多个ServletURL链接，用于传递参数，从而以不同的方式调用 Web 服务。
The Web application has a single JSP that provides multiple servlet URL links to pass parameters to invoke the Web service in different ways.
不过我们并没有将其作为一种可移植的跨浏览器的解决方案来推荐，以下的实例演示了E4 X如何以一种简单的方式来调用Web服务。
While we aren't recommending this yet as a portable cross-browser solution, the following example demonstrates how E4X can be used to call web services in a simple fashion.
同时，还存在一些以非阻塞方式调用Web服务的方法。
In the meantime there are a few ways of invoking a Web service in a non-blocking manner.
如果只想将消息以“即发即弃(fireandforget)”的方式发送给一个服务，(并不需要给调用者返回响应)，那么可使用异步消息类型。
If you just want to "fire and forget" a message to a service, (no response to the caller is required), you can use the asynchronous messaging style.
现在，您了解了服务调用的连接方式选择。
Now you understand the connectivity style choices for service invocation.
在这种方式下，你可以隐藏实现信息，并简化服务的整个调用过程。
In this way, you hide the implementation details and simplify the whole process to invoke the 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.
这就引入了一个重要的问题：设计服务时，什么决定了所使用的调用方式？
This introduces a significant point: When a service is designed, what determines the invocation style to be used?
如果您可以控制服务，可以考虑向您的调用者返回一个惟一的限定符，使用一种后来向不同服务询问请求状态的方式。
If you have control over the service, consider returning a unique identifier to your callers that provides them with a way of later asking a different service method about the status of the request.
您希望以服务而不是API调用的方式获得您所依赖的现有提供者的功能；但是它们还不能作为服务公开。
You want to obtain the functionality of existing providers you depend on not as API calls, but as services; but they are not ready to be exposed as services yet.
既然您了解了使用者对服务调用通信方式的选择，就可以看一看使用者对用于连接到提供者的连接方式的选择。
Now that you understand the consumer's choices for service invocation communication style, take a look at the consumer's connectivity style choices for connecting to a provider.
第一个是客户机编程模型，在此模型中，客户机能在不阻塞其应用程序的情况下以非阻塞方式调用服务。
The first is the client programming model, where a client invokes the service in a non-blocking manner without blocking his application.
这种模式通过以下方式来支持服务可视化：为了调用另一个业务单元的服务，在本地es b上定义了一个服务存根来封装注册中心查找。
This pattern supports the virtualization of services in the following manner: To invoke another business unit's services, you define a service stub on the local ESB, encapsulating the registry lookup.
图1说明客户机和服务器通过网络完成RPC调用的方式。
Figure1 illustrates the way a client and server completes an RPC call over the network.
可以通过同步和异步编程方式使用sca调用服务组件。
You can use SCA to invoke service components through both synchronous and asynchronous programming styles.
目前为止，我们见证了将企业展现为一系列调用服务集合的业务流程的建模方式。
So far, we have seen models that show the enterprise as a bunch of business processes that invoke a set of services.
目前为止，我们见证了将企业展现为一系列调用服务集合的业务流程的建模方式。
So far, we have seen models that show the enterprise as a bunch of business processes that invoke a set of services.
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