Observer Pattern

常见例句

Figure 1 illustrates how the Observer pattern works.
图 1 显示了观察者模式的机制。
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。
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。

One digital media observer noted in a recent blog post that he saw a similar pattern of discounting and giveaways right before HP killed off its tablet business.
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Therefore, the observer is resigned to wading through cryptic propaganda and often inconsequential government appointments, hoping to find some pattern that would indicate who the current favorite is.
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