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The COBOL jigsaw puzzle: Fitting object-oriented and legacy applications together

Sparad:
I publikationen:IBM Systems Journal vol. 36, no. 1 (1997), p. 49-65
Huvudupphov: Flint, E S
Utgiven:
International Business Machines Corporation
Ämnen:
Studies
COBOL
Object oriented programming
Interoperability
Task analysis
User interface
Länkar:Citation/Abstract
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Abstrakt: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.
ISSN:0018-8670
Källa:ABI/INFORM Global