Dynamic component activation method using a relational database as the repository for registration information
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United States of America Patent
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Aug 17, 2004
Grant Date -
Jan 30, 2003
app pub date -
Jul 27, 2001
filing date -
Jul 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for allowing dynamic component activation using a database as a repository for registration information is disclosed. This method uses a Component Activation Manager (CAM), which is a singleton object that maps unique component ID's to a Factory Creation Function (FCF). A purpose of the FCF is to create and register factories for the objects contained in a dynamic library. The factories created with the FCF are also registered with a database connection created by the CAM. Using this approach, the application only needs to create the CAM object, request a connection and then request a factory for the objects it needs. The CAM and the database connection find the dynamic library and the associated object factories through the use of database tables that contain a map of unique component ID's and object FCF addresses.
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