As mentioned earlier, EDA event sources and event listeners are loosely coupled.
正如前面提到的,EDA事件源和事件侦听器采用松散耦合方式。
GetEventManager - Returns a manager object that adds and removes event listeners.
getEventManager—返回添加和删除事件侦听器的管理器对象。
Listing 4 shows the implementation of two event listeners in the Weather Reporter application.
清单4显示了Weather Reporter应用程序中实现的两个事件侦听器。
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