Activation Queue? Maintains method requests pending for execution.
Activation Queue——维护等待执行的方法请求。
The Activation queue is an event handling-type queue, which might collect events from multiple providers.
Activation Queue是一个事件处理类型的队列，它可以收集来自多个提供者的事件。
Manager - plays the role of Proxy of the active object model; using instances of EventMessage, the Manager determines service invocation requests that are placed into an Activation Queue.
Manager——扮演活动对象模型的代理角色；通过使用EventMessage的实例，Manager确定放入激活队列中的服务调用请求。
Dispatcher? Manages an Activation queue of service requests that are pending execution; it decides which request to de-queue next and execute on a service Delegate object that implements the request.
Dispatcher——管理等待执行的服务请求的激活队列；它决定接下来哪个请求退出队列并在实现该请求的ServiceDelegate对象上执行。
Dispatcher? Manages an Activation queue of service requests that are pending execution; it decides which request to de-queue next and execute on a service Delegate object that implements the request.
Dispatcher——管理等待执行的服务请求的激活队列；它决定接下来哪个请求退出队列并在实现该请求的ServiceDelegate对象上执行。
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