事件驱动

• Two subscription classes , one for event - driven subscriptions and one for scheduled subscriptions
  订阅类有两种，一种针对事件驱动订阅，一种针对计划订阅。
• Each subscription specifies a stock symbol and is either event - driven or scheduled
  每个订阅指定一个股票代码，订阅可以是事件驱动订阅，也可以是计划订阅。
• A basic event class for event - driven subscriptions and an event chronicle for scheduled subscriptions
  事件驱动订阅的基本事件类和计划订阅的事件历史记录。
• Each business application is a peer of the others through the event - driven message bus
  通过事件驱动消息总线的每一个业务应用程序都是其它应用程序的同位体。
• Sample , which is a relatively simple application that provides event - driven subscriptions
  示例的说明，该示例是一个相对简单的、提供事件驱动订阅的应用程序。
• The result is a clear , easily written code structure that supports event - driven development
  这样就得到了一个清晰的、易于编写的、支持事件驱动开发的代码结构。
• Event - driven rules , referred to as event rules , generate notifications as soon as events arrive
  事件驱动的规则也称为事件规则，它会在事件到达之后立即生成通知。
• Subscription rules that are event - driven and use condition actions to support flexible subscription logic
  事件驱动并使用条件操作以支持灵活订阅逻辑的订阅规则。
• Where possible , class library designers should implement asynchronous methods using the event - driven model
  可能的话，类库设计者应使用事件驱动模型实现异步方法。
• It adopt the method that is moved by target and event to the satisfaction requirement oriented of the agent
  它采取目标?事件驱动方法来满足面向agent的需求获取。