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2. 发明授权

US06473806B1 Methods and apparatus for managing objects and processes in a distributed object operating environment 有权
标题翻译：在分布式对象操作环境中管理对象和进程的方法和装置
公开(公告)号：US06473806B1
公开(公告)日：2002-10-29
申请号：US09360046
申请日：1999-07-23
申请人： Alan Snyder , Rod J. McChesney , Mark W. Hapner , Arthur A. Van Hoff , Maurice Balick , Rafael Bracho , David M. Brownell
发明人： Alan Snyder , Rod J. McChesney , Mark W. Hapner , Arthur A. Van Hoff , Maurice Balick , Rafael Bracho , David M. Brownell
IPC分类号： G06F954
CPC分类号： G06F9/465
摘要： A variety of methods and apparatus for managing deactivation and deletion of objects and server processes are taught. According to some embodiments of the present invention, a thread of execution termed the reaper thread systematically cycles through a computer process deactivating and/or deleting objects based upon a variety of criteria. One suitable criterion for object deactivation is based upon the amount of time lapsed since a client has requested services of the object. According to the timeout criterion, the reaper thread determines the period of time since the last client requested services from the object, compares this to a timeout value which may be defined by any suitable entity, and proceeds with deactivation and/or deletion accordingly. Object deletion may have a separate criterion or be specifically requested by a client. A deletion flag may be set to indicate that object deletion is requested. When an object has deactivated, the reaper thread further determines if the deletion flag for this object is set, and, if so, further proceeds to perform an object deletion operation. In some embodiments, the reaper thread is further responsible to shutdown the server process under which the reaper thread is executing. As is well known to those skilled in the art of object oriented programming, a thread of execution is essentially a sequential flow of the point of execution through a computer process. One suitable criterion for server process shutdown would be related to the server process activity.
摘要翻译：教导了用于管理对象和服务器进程的去激活和删除的各种方法和装置。根据本发明的一些实施例，称为收割器线程的执行线程系统地循环通过计算机进程基于各种标准去激活和/或删除对象。对象停用的一个合适的标准是基于客户端已经请求了该对象的服务所经过的时间量。根据超时标准，收费线程确定自上次客户端从对象请求服务之后的时间段，将其与可由任何合适实体定义的超时值进行比较，并相应地执行去激活和/或删除。对象删除可能有一个单独的标准或客户端特别要求。可以设置删除标志以指示请求对象删除。当对象已被停用时，收割者线程还确定是否设置了该对象的删除标志，如果是，则进一步进行对象删除操作。在一些实施例中，收割机线程还负责关闭在其下执行收割机线程的服务器进程。如面向对象编程领域的技术人员所熟知的，执行线程本质上是通过计算机进程的执行点的顺序流程。服务器进程关闭的一个合适标准将与服务器进程活动相关。

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