The COBOL jigsaw puzzle: Fitting object-oriented and legacy applications together
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| Izdano u: | IBM Systems Journal vol. 36, no. 1 (1997), p. 49-65 |
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| Glavni autor: | |
| Izdano: |
International Business Machines Corporation
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| Teme: | |
| Online pristup: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| Sažetak: | Object wrappers have been presented as a way to allow legacy applications and object-oriented applications to work together. However, object wrappers do not always solve the interoperability problem for COBOL legacy applications. The use of object wrappers is examined and 2 other types of wrappers, the procedural wrapper and the combination wrapper, are introduced for practical use with COBOL legacy applications. The main concerns of a developer of an object-oriented application that uses the services of or provides services to a legacy application are addressed. Examples of "real-world" COBOL legacy applications are cited and samples of all 3 types of wrapper code are provided. |
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| ISSN: | 0018-8670 |
| Izvor: | ABI/INFORM Global |