Aspect Oriented Software Development

Aspect-Oriented Software Development (AOSD) Jignesh Patel Jignesh.Patel [AT] umkc [DOT] edu

Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

History ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why AOP? – Example You are responsible for maintaining large software system that managed payroll and personnel functions for your organization. What if management issued a new requirement ? “ create a log of all changes to an employee’s data” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],What would you do?

Aspect-Oriented Programming ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System = set of “concerns” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Concerning “Concerns” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Crosscutting Concerns ,[object Object],Performance

Aspect-Oriented Programming ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aspect-Oriented Programming components and aspect descriptions weaver (compile-time) Source Code (tangled code)

AOSD Tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logging example in AspectJ ,[object Object],[object Object],[object Object],[object Object]

Logging Example – Step1 ,[object Object],[object Object],[object Object]

Logging Example – Step2 ,[object Object],[object Object],[object Object]

Logging Example – Step3 ,[object Object],[object Object],Output:

Logging Example – Step3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Output: Lets play “ starwars ”

Recap of AOP Separation of concerns (monitoring, synchronisation, debugging, security, etc.) Where What MyAspect In MyProgram Before process { display data print “before process” } MyProgram collect data process data display result Weaver Synchronisation Aspect Business code Classes Monitor Aspect Tangled Classes, Crosscutting Concerns synchronisation monitoring MyProgram collect data display data print “before process” process data display result

What does all these mean? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Early Aspects & AOSD research ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Among the Most Popular downloads ,[object Object],[object Object],Communications of the ACM, Volume 48, No 4 (Apr 2005), Pages 33-34

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Latest AOSD conference (2005, March 22-26, Chicago, Illinois) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aspect Oriented Software Development

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Aspect Oriented Software Development