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

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Библиографические подробности
Опубликовано в::	IBM Systems Journal vol. 36, no. 1 (1997), p. 49-65
Главный автор:	Flint, E S
Опубликовано:	International Business Machines Corporation
Предметы:	Studies COBOL Object oriented programming Interoperability Task analysis User interface
Online-ссылка:	Citation/Abstract Full Text + Graphics Full Text - PDF
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Описание
Краткий обзор:	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
Источник:	ABI/INFORM Global