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Abstract

A system for mapping data between a selected object and a persistent medium in an object-oriented computer system is disclosed, wherein the data is manipulated by processing methods associated with the object. The system selects a target to which the data is to be mapped and converts the data invoking to an environment type in which the data is to be mapped. The system further constructs a mapping method associated with the mapping request for mapping between the selected object and the persistent medium, where the method group consists of 'store new', 'store existing', 'restore', and 'delete'. Further, a method is also disclosed for mapping a data structure between an object, which is in a class object, and a persistent medium in an object-oriented environment. The method includes receiving a request to map the data structure between the object and the persistent medium at the object. The request is sent from the identification object to the class object. A plurality of data mapping methods is then defined for each persistent object Then, a request to invoke one of the plurality of mapping methods is constructed. After which, one of the plurality of mapping methods for mapping the data structure between the object and the persistent medium is performed.

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First Claim