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AssigneeInternational Business Machines Corporation
InventorsMichael Beisiegel, Charles D. Bridgham, Frank J. Budinsky, Eduardus A. T. Merks, Lawrence S. Rich
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The present invention is directed to an improved mapping system and code generation system. Embodiments of the present invention separate the mapping of data elements into two metalevels. The first metalevel maps between types of elements (e.g., string, int, float, varchar, etc.). This first metalevel mapping is associated with an object that contains a method (i.e., a function) which performs the conversion between the type of the element from a first data structure to the type of element in a second data structure. The second metalevel describes the actual mapping between the data elements at issue. Accordingly, the second metalevel results in an instance of the first metalevel object. Source code or scripts generated in accordance with this separation provide numerous advantages including improved flexibility, reduced storage space usage and others. The two metalevel modeling of the invention can be embodied in source code (or script) generators to generate more efficient source code (or scripts).
A method for generating source for converting from data stored in a first data element to data stored in a second data element, said first and second data elements associated with a first and second data element types, said method comprising:
A method for converting from a plurality of first data elements to a plurality of second data elements, each of said plurality of first data elements associated with a first data type and each of said plurality of second data elements associated with a second data type, and wherein a first data element forming part of said plurality of first data elements is to be mapped to a corresponding second data element forming part of said plurality of second data elements said method comprising:
A method for generating source code to convert between a first data element and a second data element, said first data element associated with a first data type and said second data element associated with a second data type, said first and second data elements forming a mapping pair, said method comprising:
A computer readable media storing instructions and data, said instructions and data for adapting a computer system to generate source for converting from data stored in a first data element to data stored in a second data element, said first and second data elements associated with a first and second data element types, said computer system adapted to:
A method of source code generation, said source code for mapping a first data object having a first data type to a second data object having a second data type, said method comprising:
Dependencies are inferred from the claim text.