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

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Bibliographische Detailangaben
Veröffentlicht in:	IBM Systems Journal vol. 36, no. 1 (1997), p. 49-65
1. Verfasser:	Flint, E S
Veröffentlicht:	International Business Machines Corporation
Schlagworte:	Studies COBOL Object oriented programming Interoperability Task analysis User interface
Online-Zugang:	Citation/Abstract Full Text + Graphics Full Text - PDF
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Beschreibung
Abstract:	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
Quelle:	ABI/INFORM Global