Figure 1 illustrates how the Observer pattern works.
图1显示了观察者模式的机制。
Figure 5: Structural elements in the Observer pattern.
图5：observer模式中的结构化元素。
This general data pattern is a form of the Observer pattern.
这种通用数据模式是Observer模式的一种形式。
Here is a trait that implements the logic of the Observer Pattern.
这里是一个实现了观察者模式逻辑的trait。
Callbacks are really a special case of the Observer Pattern [GOF1995].
回调其实是观察者模式[g OF 1995]的一个特例。
A unique use of the Observer pattern is to implement it using web services.
观察者的唯一使用之处就是在Web服务的实现中。
Thus, at a high level, the Observer pattern provides a simple asynchronous model.
因此，从一个较高的层次上，观察者模式提供了一种简单的异步模型。
Observer : SPL suggests a standard way of implementing the observer pattern.
观察者：SPL提出了实现观察者模式的标准。
This style is similar to the Observer pattern in that it promotes a publish-subscribe way of working.
这个风格与Observer模式十分相似，因为它促进一种发布-订阅的工作方式。
Figure 6 is a UML sequence diagram showing how the structural elements within the Observer pattern collaborate.
图6是一个UM l序列图，显示这个Observer模式中的结构元素是如何协作的。
It is the Observer pattern on top of the base web services infrastructure that gives DEBA its callback capability.
在基本Web服务结构之上采用观察者模式，就为DEBA带来了回调能力。
Aside from simple utility objects and methods, formal objects within Jo use a refined "observer pattern" OOP standard.
除了简单使用对象和方法，正式的Jo对象使用了重构过的“观察者模式”OOP标准。
AspectJ in Action (Ramnivas Laddad, Manning 2003) : Discusses policy enforcement using aspects and the Observer pattern.
AspectJinAction (RamnivasLaddad,Manning 2003年)：讨论了使用方面和观察者模式的策略实施。
DEBA for web services benefits from the decoupled nature of web services and the asynchronous nature of the Observer pattern.
将DEBA应用到Web服务中可以获得两方面的好处，包括Web服务的解藕特性和观察者模式的异步特性。
The Reactor pattern is closely related to the Observer pattern in this aspect: all dependents are informed when a single subject changes.
反应器模式与观察者模式（Observer pattern）在这个方面极为相似：当一个主体发生改变时，所有依属体都得到通知。
The point here is not to demonstrate the Observer pattern, but rather to show how architectural experience can be captured and communicated.
这里的关键点不是证明observer模式，而是显示构架经验是如何被获取并传达的。
The Swing framework makes extensive use of the Observer pattern (also known as the publish-subscribe pattern) in the form of event listeners.
Swing框架以事件侦听器的形式广泛利用了观察者模式(也称为发布-订阅模式)。
The Observer pattern is associated with a single source of events, however, whereas the Reactor pattern is associated with multiple sources of events.
不过，观察者模式与单个事件源关联，而反应器模式则与多个事件源关联。
AWT and Swing components, such as JButton or JTable, use the Observer pattern to decouple the generation of GUI events from their semantics within a given application.
AWT和Swing组件(例如JButton或JTable)使用观察者模式消除了GUI事件生成与它们在指定应用程序中的语义之间的耦合。
Table 1 shows the correspondence between the Observer pattern, the standard web services model, and the Observer pattern's implementation in the DEBA framework classes.
表1中三个方面的对照，分别为观察者模式、标准Web服务模型，以及在DEBA框架类中观察者模型的实现。
You can also represent the pattern solution visually, in terms of both structure and behavior. Figure 5 is a UML class diagram showing the participants in the Observer pattern.
您还可以按照结构和行为两方面从视觉上来展示模式图5是一个UML类图标，表示Observer 模式的参与者。
The central engine communicates with the execute engine as the Observer pattern works. Implements the asynchronous characteristic by using JMX Notification Model and JMX Timer Service.
早期的工作流应用系统都是集中式的，即由一个工作流引擎去完成整个流程实例的执行。
Observer was the key pattern for handling notification of events within the architecture.
观察器是用来处理体系结构内的事件通知的关键模式。
The Observer design pattern allows interested parties to be notified of changes.
Observer设计模式可以把更改通知给对此感兴趣的对象。
The complexity in SAX comes from the Observer design pattern it implements.
SAX中的复杂度来自它实现的Observer设计模式。
In application architecture, a common technique for reducing coupling between components that must communicate with each other is to use a design pattern called the Observer.
在应用程序结构中，通常采用Observer(观察者)设计模式来减少互相通信的组件之间的耦合。
He calls his GET based integration pattern, FOREST, a RESTful observer synchronization pattern, as he explains.
他将自己的基于GET的集成模式称作FOREST，一个RESTful的观察者同步模式，像他所解释的那样。
Hence, by implementing the observer callback pattern using web services, we provide a new mechanism for an asynchronous architecture over a synchronous infrastructure.
因此，如果使用Web服务来实现这种观察者回调方法，我们就可以在同步的基础结构中获得异步的体系。
On the one hand, the observer may remain casual and participate in the seeming simplicity of the benefits of the applied pattern.
一方面，仍然可能不会注意到模式，而仅会看到所应用模式的好处。
Events follow the Observer or Publish-Subscribe design pattern; they are used when a state change in one object must be communicated to other objects.
事件是依照「观察者」或「发行-订阅」的设计模式，当必须将一个物件的状态变更传送至其他物件时，就会使用事件。
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