NDLI: Using Stealth Mixins to Achieve Modularity

Content Provider	IEEE Xplore Digital Library
Author	Strandh, R. Hamer, J. Baumann, G.
Copyright Year	2007
Description	Author affiliation: Lab. de Bordelais de Recherche en Informatique, Bordeaux I Univ., Talence (Strandh, R.)
Abstract	Organising a complex, interactive application into separate modules is a significant challenge. We would like to be able to evolve modules independently, and to add new modules into the system (or remove optional ones) without requiring major revisions to existing code. Solutions that rely on pre-planning when writing core modules are clumsy and error-prone, since programmers may omit to include all the required "hooks," unused hooks incur a runtime overhead, and any unanticipated extensions may still require significant code changes. Unfortunately, most languages do not provide adequate mechanisms for supporting the separation of modules. In this paper, we review partial solutions for typical object-oriented languages such as Java, and then present "stealth mixins", a much more satisfactory solution that can be built on top of Common Lisp. The Common Lisp solution was developed for Gsharp, a sophisticated graphical music score editor, and the technique has been used extensively throughout the program. We use Gsharp as a running example throughout this paper. However, the ideas are applicable to a wide range of applications.
Sponsorship	Data Processors Infosys Australia Davies Collison Cave Object Consulting Sun Microsystems Labs Swinburne Univ. Technol. IT Today Elsevier Australia
Starting Page	111
Ending Page	116
File Size	110290
Page Count	6
File Format	PDF
ISBN	0769527787
ISSN	15300803
DOI	10.1109/ASWEC.2007.52
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-10
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Object oriented modeling Java Computer science Application software Writing Programming profession Runtime Sections Page description languages Australia
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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