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21. 发明授权

US06813769B1 Server application components with control over state duration 失效
标题翻译：具有控制状态持续时间的服务器应用程序组件
公开(公告)号：US06813769B1
公开(公告)日：2004-11-02
申请号：US08959149
申请日：1997-10-28
申请人： Rodney Limprecht , Patrick James Helland , Mohsen Al-Ghosein
发明人： Rodney Limprecht , Patrick James Helland , Mohsen Al-Ghosein
IPC分类号： G06F946
CPC分类号： G06F9/54 , G06F9/5016 , G06F9/5022 , G06F12/0261 , G06F2209/541
摘要： A component-based framework includes system services and component integration interfaces that provide a run-time environment for component-based server application in which server application components have control over the duration of their state independent of client action. The framework provides functions that a server application component calls to indicate its work for a client is complete, and its state is to be destroyed. On the component's return from the client's method call, the framework destroys the component's state thus releasing any server computer resources held by the component. This allows the server application components to be programmed so as to minimize the duration that their state remains in memory consuming server computer resources, and which enhances scalability of the server application.
摘要翻译：基于组件的框架包括系统服务和组件集成接口，为基于组件的服务器应用程序提供运行时环境，其中服务器应用程序组件可以独立于客户机操作对其状态进行控制。该框架提供了服务器应用程序组件调用以指示其为客户端工作的功能，并且其状态将被销毁。在组件从客户端的方法调用返回时，框架会破坏组件的状态，从而释放组件所持有的任何服务器计算机资源。这允许服务器应用程序组件被编程，以便最小化其状态保持在消耗服务器计算机资源的内存中的持续时间，并且这增强了服务器应用的可扩展性。

22. 发明授权

US6134594A Multi-user, multiple tier distributed application architecture with single-user access control of middle tier objects 失效
标题翻译：多用户，多层分布式应用架构，具有中间层对象的单用户访问控制
公开(公告)号：US6134594A
公开(公告)日：2000-10-17
申请号：US958975
申请日：1997-10-28
申请人： Patrick James Helland , Rodney Limprecht , Mohsen Al-Ghosein , David R. Reed
发明人： Patrick James Helland , Rodney Limprecht , Mohsen Al-Ghosein , David R. Reed
IPC分类号： G06F21/00 , G06F15/16
CPC分类号： G06F21/6218 , Y10S707/99943 , Y10S707/99944 , Y10S707/99945
摘要： A multi-tier server application architecture provides a simplified programming model of multiple user server applications that enhances programmer productivity. The multi-tier architecture comprises a client tier for client application code that initiates processing by the server application in response to user input, a middle tier of object-oriented server application code, and a database tier of shared access data and management code. A run-time environment for the object-oriented server application code limits access to instantiated objects of the middle tier server application code to a single one of the users. Objects in the middle tier that are instantiated to initiate processing for a particular user and grouped into a collection. The run-time environment manages the flow of execution into the collection such that the collection has only a single logical thread of execution and access by the client application code is exclusive to the particular user.
摘要翻译：多层服务器应用程序架构提供了多个用户服务器应用程序的简化编程模型，从而提高了程序员的生产力。多层架构包括用于客户端应用程序代码的客户端层，其响应于用户输入启动服务器应用程序的处理，面向对象的服务器应用程序代码的中间层以及共享访问数据和管理代码的数据库层。用于面向对象的服务器应用程序代码的运行时环境将对中间层服务器应用程序代码的实例化对象的访问限制为单个用户的访问。实例化中间层中的对象，以启动特定用户的处理并分组成一个集合。运行时环境将执行流程管理到集合中，使得集合仅具有单个逻辑执行线程，客户端应用程序代码的访问对特定用户是排他性的。

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