使用事件构建分布式应用程序

Second International Workshop on Services in Distributed and Networked Environments Pub Date : 1995-06-05 DOI:10.1109/SDNE.1995.470451

J. Bacon, J. Bates, R. Hayton, K. Moody

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引用次数: 81

摘要

我们扩展了接口定义语言来处理事件注册和通知。客户端注册对特定事件类的兴趣，然后服务器以异步方式通知它们任何发生的事件。事件发生由符合IDL类型约束的参数标识，因此可以在同步方法调用中使用。处理注册和通知的方法是通用的，可以被任何类的对象继承:作为IDL处理的副产品，处理事件创建和解码的存根会自动生成。我们实现了一个基于非确定性有限状态机的复合事件识别器原型。这个原型机的初步经验令人鼓舞。

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Using events to build distributed applications

We have extended an Interface Definition Language to handle event registration and notification. Clients register interest in specified classes of events and servers then notify them of any occurrence asynchronously. Event occurrences are identified by parameters which conform to IDL typing constraints and can therefore be used in synchronous method invocations. Methods to handle registration and notification are generic and can be inherited by objects of any class: as a by-product of IDL processing the stubs to handle event creation and decoding are generated automatically. We have implemented a prototype composite event recogniser based on non-deterministic finite state machines. Initial experience with this prototype is encouraging.<>

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Second International Workshop on Services in Distributed and Networked Environments

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