图1说明目的地和中介的基本概念。
Figure 1 shows the basic concept of destination and mediation.
中介模块是消息中介的基本部署单元。
A mediation module is a basic unit of deployment for message mediation.
图3基于中介的复合拓扑。
应该防止传输中的所有消息受到不可靠中介的篡改。
All messages in transit should be protected from tampering by untrusted intermediaries.
本系列文章的第1部分解释了消息中介的基础。
Part 1 of this series of articles explains the basics of message mediation.
在这些图中，每个中介下方为该类型中介的实现示例列表。
Under each intermediary in these figures is a list of example implementations for that type of intermediary.
现在研究一下，在经中介的服务交互中，服务规范的性质。
Let's now examine the nature of the service specification in mediated service interaction.
在服务注册中心存储关于中介的元数据以供服务请求者使用。
Storing metadata about the mediation in the service registry for use by service requesters.
现在，我们可以将包含中介的EAR项目安装到应用服务器中。
We can now install the EAR project that contains the mediation into the application server.
到达中介的消息的内容存储在SDODatagraph中。
The content of a message arriving at a mediation is stored in an SDO Datagraph.
因此，可以认为ESB是执行服务公开的中介的架构容器，见图5。
An ESB can thus be considered an architectural container for mediations performing the role of service exposure, as shown in Figure 5.
现在让我们将这个“服务”放入到使用自定义中介的通用上下文中。
Now let's put this "service" into a common context in which custom mediations are used.
图4中所示的类关系图显示了该模式中涉及的缓存中介的详细结构。
The class diagram, illustrated in Figure 4, shows the detailed structure of the cache mediations involved in the pattern.
换句话说，该中介的接口定义了数据绑定类必须处理的SDO的结构。
In other words, the mediation's interface defines the structure of the SDO that the data binding class must handle.
将耐久性和持久性模型合并到中介的一个好办法就是使用企业服务总线。
A good way to incorporate durability and persistence models within a mediator would be to use an enterprise services bus.
中介处理程序列表可能包含一个或多个中介，并且控制中介的执行顺序。
Mediation handler lists may contain one or more mediations, and they control the order in which mediations are executed.
为了使用它，必须有一台作为中介的连接到Internet 的机器。
To use it, you'll need a machine on the Internet that you can use as an intermediary.
可用WSS防止消息的真实性、完整性和机密性受到不可靠网络和传输中介的攻击。
You can use WSS to protect the authenticity, integrity, and confidentiality of messages from untrusted network and transport intermediaries.
中介的部署者必须确保资源引用映射到了恰当的对象，否则将会出现运行时错误。
The deployer of a mediation must ensure that resource references are mapped to appropriate objects, otherwise run time errors will occur.
您会看到其组装图与图2中所示的StaticRoute中介的组装图非常相似。
You see that the Assembly Diagram appears just like that of the StaticRoute mediation in Figure 2.
对于我们的示例，我们将其限制为非常简单的中介逻辑：记录经过中介的每条消息。
For our example, we will limit this to very simple mediation logic: you will log each message that goes through the mediation.
在基于中介的会话复合服务中，中介者按照消费者的输入实现服务状态和状态的转换。
In the case of mediator-based conversational services, the mediator implements service states and states transitions, based on the consumer inputs.
看上去，英国的高管们很容易被他们金融中介的油嘴滑舌，定制西服和关切的态度所打动。
Britain's executives, it seems, are all too easily seduced by the smooth patter, tailored suits and solicitous manners of their brokers.
另一个构想看起来像是集合了Facebook，网络约会站点和特价机票中介的功能。
The second idea looks something like a cross between Facebook, an internet dating site and a discount-flight broker.
为了向中介添加基本功能，请将下面清单2中的代码复制并粘贴到中介的handle方法。
To add basic functionality to your mediation, copy and paste the code in Listing 2 below to the handle method of your mediation.
在随本文提供的下载文件中，您可以获得此中介的代码（以及所有我们在此介绍的其他代码）。
You can get the code for this mediation (and all other code we introduce here) in the download file included with this article.
注意1：我们将在此部分中参考DanMurphy的文章“消息中介的实用介绍”。
Note 1: We will refer to Dan Murphy's article " A practical introduction to message mediation" throughout this section.
目的地和中介的组合让您可以当消息在集成总线中传播时管理消息，从而为构建ESB提供重要功能。
The combination of destinations and mediations let you manage a message as it travels across the integration bus, thereby providing key functionality for building an ESB.
目的地和中介的组合让您可以当消息在集成总线中传播时管理消息，从而为构建ESB提供重要功能。
The combination of destinations and mediations let you manage a message as it travels across the integration bus, thereby providing key functionality for building an ESB.
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