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Topic: Aspect-oriented programming


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In the News (Tue 21 May 13)

  
 Aspect-oriented programming - Wikipedia, the free encyclopedia
An aspect can alter the behavior of the base code (the non-aspect part of a program) by applying advice (additional behavior) over a quantification of join points (points in the structure or execution of a program), called a pointcut (a logical description of a set of join points).
AspectJ is an aspect-oriented extension to the Java programming language.
In software engineering, the programming paradigm of aspect-oriented programming (AOP), also called aspect-oriented software development (AOSD), attempts to aid programmers in the separation of concerns, or the breaking down of a program into distinct parts that overlap in functionality as little as possible.
en.wikipedia.org /wiki/Aspect-oriented_programming   (1915 words)

  
 Computer programming/Aspect oriented programming - Wikibooks, collection of open-content textbooks
Aspect Oriented Programming (AOP) is a follow-on development to Object Oriented Programming (OOP), developed with the intention of solving some of the practical limitations of OOP.
AOP aims to reduce dependencies and complexity by moving the code handling those crosscuts into seperate programming constructs that can then be woven back into the OOP source code in an automated fashion by a weaver.
By defining logging as a crosscut and using an aspect to solve the problem, the programmer writes the aspect code to handle logging and makes use of a weaver to inject the code into the OOP source, which is then compiled as normal OOP code.
en.wikibooks.org /wiki/Programming:Aspect_oriented_programming   (1019 words)

  
 Aspect-Oriented Programming
In Aspect-Oriented Programming (right), the code that is part of the separate aspect descriptions in the source program is woven together and spread about in the executable program.
We are working on a new programming paradigm, Aspect-Oriented Programming (AOP), that does just this.
AOP works by allowing programmers first to express each of a system's aspects of concern in a separate and natural form, and then automatically combine those separate descriptions into a final executable form using a tool called an Aspect Weaver™.
www2.umassd.edu /SWSoC/papers/kiczales-cs1996.html   (1318 words)

  
 Improve modularity with aspect-oriented programming
One of the founding papers on AOP, "Aspect Oriented Programming" (PDF), offers an early look at the development of a new way of programming.
Aspect-oriented programming (AOP) grew out of a recognition that typical programs often exhibit behavior that does not fit naturally into a single program module, or even several closely related program modules.
AOP complements object-oriented programming by facilitating another type of modularity that pulls together the widespread implementation of a crosscutting concern into a single unit.
www-128.ibm.com /developerworks/java/library/j-aspectj   (3184 words)

  
 A look at aspect-oriented programming
One of the latest entrants in this lineup is aspect-oriented programming (AOP), which represents one facet of aspect-oriented software development (AOSD).
In fact, the way to think about correctness in AOP code is the inverse of how we consider it for object-oriented programming (OOP) code.
AOP is designed to handle cross-cutting concerns by providing a mechanism, the aspect, for expressing these concerns and automatically incorporating them into a system.
www-128.ibm.com /developerworks/rational/library/2782.html   (3406 words)

  
 Attribute Oriented Programming != Aspect Oriented Programming
Aspects are defined at the same level as classes, and are the basic modular units of aspect-oriented programming.
An aspect is a top-level construct that may contain Point-cuts, advice declarations, inter-type member declarations, and other declarations that would be valid as … class members.
The key to AOP is to capture and modularize cross-cutting concerns.
weblogs.asp.net /Mnolton/archive/2004/04/23/119181.aspx   (1652 words)

  
 Introduction to Aspect Oriented Programming
Aspect Oriented Programming (AOP) is a new programming paradigm which aims to capture cross-cutting concerns in large programs in a cleanly localised way.
AspectJ is an aspect oriented extension of the Java programming language, originally developed at Xerox PARC, and now maintained by the Eclipse project.
We call some concern cross-cutting, if it has to be implemented in such a way that many of the hierarchical components of a piece of software are affected.
www.cs.chalmers.se /~giese/AOP.html   (248 words)

  
 Aspect-Oriented Programming and Adaptive Programming
Adaptive Programming is the special case of Aspect-Oriented Programming where one of the aspects is expressible in terms of graphs and where the other aspects or components refer to the graphs using traversal strategies.
In other words: One special case of aspect-oriented programming is 'adaptive programming', in which one of the aspects is expressible in terms of graphs and the other aspects or components follow 'strategies' to control and interpret references to these graphs.
The behavior modification aspect can be classified into subaspects: communication, coordination, exceptions etc. For example, the communication aspect as it relates to adaptive parameter passing, can be dealt with by providing a visitor for copying and a traversal for saying what to copy (and what to pass by oid).
www.ccs.neu.edu /home/lieber/AOP.html   (1074 words)

  
 AOP: Aspect-Oriented Programming Enables Better Code Encapsulation and Reuse -- MSDN Magazine, March 2002
This is the simplest form of aspect-oriented programming, a paradigm invented in the 1990s at Xerox PARC by Gregor Kiczales (see http://www.parc.xerox.com/csl/groups/ sda/publications/papers/Kiczales-ECOOP97/for-web.pdf).
SUMMARY Aspect-oriented Programming (AOP), a paradigm invented at Xerox PARC in the 1990s, lets the developer better separate tasks that should not be inextricably tangled, such as mathematical operations and exception handling.
For example, the COM+ transactional aspect causes all resource providers that are used during the object's method to participate in the same transaction, allowing the method to abort all activities by merely aborting the transaction provided by the COM+ transactional aspect.
msdn.microsoft.com /msdnmag/issues/02/03/AOP/default.aspx   (4061 words)

  
 Enterprise Java Community: Tech Talk Interview
So programming with AOP involves programming with both classes and aspects as natural units of functionality, and aspects, like classes are really a generic concept.
AOP is a modularity technology - to the extent you have good developers, who understand the domain, AOP will help them develop better, cleaner, more reusable code more quickly and easily.
AOP can complement other paradigms, like procedural programming.
www.theserverside.com /events/videos/GregorKiczalesText/interview.jsp   (4720 words)

  
 Developer Pipeline Trends Aspect Oriented Programming: An Introduction
Aspect Oriented Programming (AOP) is an effort to combat this kind of code entropy.
Structured programming and Object Oriented Programming (OOP) are both among the approaches to SOC that emerged in decades past.
Aspect Orienting Programming promises to fill in the gaps by enabling you to layer additional functionality.
www.developerpipeline.com /showArticle.jhtml?articleId=18900159   (1217 words)

  
 Results in
The first paper to use the term aspect-oriented programming (AOP) was published in 1997 by a research group at the Palo Alto Research Center (PARC**).
AOP is a term used to describe a programming technique and a way of thinking about the construction of software applications that complements the forms of expression found in object-oriented programming.
Aspect-oriented programs comprise of a mixture of objects and aspects.
www.findarticles.com /p/articles/mi_m0ISJ/is_2_44/ai_n14707720   (372 words)

  
 TWiki . Javapedia . AspectOrientedProgramming
Aspects are also related to Mixins (Mixin-based Inheritance, Proceedings of the Conference on Object-Oriented Programming: Systems, Languages, and Applications; Proceedings of the European Conference on Object-Oriented Programming, 1990) and Simula's and Beta's notions of (virtual) patterns and the Inner operator.
AOP is growing from a programming perspective into a comprehensive methodology for AOSD (aspect-oriented software development).
Aspect-Oriented programming (AOP) addresses the problem of encapsulating cross-cutting concerns, which cut across program modules.
wiki.java.net /bin/view/Javapedia/AspectOrientedProgramming   (533 words)

  
 ONJava.com -- Introduction to Aspect-Oriented Programming
Aspect: The combination of the point-cut and the advice is termed an aspect.
When Object-Oriented (OO) programming entered the mainstream of software development, it had a dramatic effect on how software was developed.
The only problem with OO programming is that it is essentially static, and a change in requirements can have a profound impact on development timelines.
www.onjava.com /pub/a/onjava/2004/01/14/aop.html   (1278 words)

  
 Aspect oriented programming in C#, Attribute programming, AOP in C#, AOP in VB.net, AOP in .NET
Aspect oriented programming in C#, Attribute programming, AOP in C#, AOP in VB.net, AOP in.NET
Aspect oriented programming in C:- Part 2
In AOP you can specify the advice code to execute before, around or after the joint point is matched.
www.geocities.com /aspectdotnet   (1546 words)

  
 Aspect Oriented Programming
Aspect Oriented Programming (AOP) is a promising new technology for separating crosscutting concerns that are usually hard to do in object-oriented programming.
AOP is a new technology for separating crosscutting concerns into single units called aspects.
AOP is a concept, so it is not bound to a specific programming language.
www.developer.com /design/article.php/3308941   (1322 words)

  
 Open Directory - Computers: Programming: Methodologies: Aspect-Oriented
The Case for Aspects - In this two part article Ivar Jacobson describes how aspect oriented programming provides the missing link to providing use-case modularization all the way from requirements down to code.
AOP: Aspect-Oriented Programming - Methodology enabling modularizing of crosscutting concerns.
Aspectual Components - Paper on the integration of work on aspect-oriented programming, software architecture and component-based software development.
dmoz.org /Computers/Programming/Methodologies/Aspect-Oriented   (390 words)

  
 Manageability - Aspect Oriented Programming
In other-words, modularity as defined by design operators appears as the modularity of aspects.
Tags however aren't oblivious, although they are loosley coupled to their aspects in that coupling is through an intermediary, that is the name of the tag.
However, the "Oblivious" property is essential to the definition of AOP, it loosens the coupling between classes and aspects.
www.manageability.org /blog/aspects   (1614 words)

  
 Eric Gunnerson's C# Compendium : C# and Aspect Oriented Programming
This isn’t true AOP as the code itself has to be decorated to implement the functionality (Aspects should really be completely orthogonal to the rest of the code), but it would provide a partial answer.
One of my concerns is that AOP adds a whole new level of complexity to reading code, in that the code that is executed in a method isn't all in the method.
AOP is certainly a very useful concept that should be supported by further MS products.
blogs.msdn.com /ericgu/archive/2004/06/29/169394.aspx   (1877 words)

  
 Amazon.com: AspectJ in Action: Practical Aspect-Oriented Programming: Books: Ramnivas Laddad
I am a beginer in AOP and before I picked this book, terms like point cuts, advice sounded greek and latin to me. However after reading through the book, I now know exactly what AOP is and how to program using AspectJ.
However, AOP is not for developers to whom Java and OO are still new.
Subjects > Computers & Internet > Programming > General
www.amazon.com /exec/obidos/tg/detail/-/1930110936?v=glance   (1596 words)

  
 Josh Christie's Weblog: Aspect Oriented Programming
Overall, an interesting article that should at least enable you to speak intelligently about aspect oriented programming next time it comes up.
The first page in particular gives a pretty good background that should answer the questions, "What is aspect oriented programming?" and "Why would I want to use it".
A separate XML file must contain a mapping for each method to which an aspect is applied even though the aspect attribute exists on the method's source code.
www.joshchristie.com /weblog/archives/000088.html   (294 words)

  
 Chapter 6. Spring AOP: Aspect Oriented Programming with Spring
AOP advice is specified using normal bean definition syntax (although this allows powerful "autoproxying" capabilities); advice and pointcuts are themselves managed by Spring IoC: a crucial difference from other AOP implementations.
In Spring, an Advisor is a modularization of an aspect.
Aspect: A modularization of a concern for which the implementation might otherwise cut across multiple objects.
www.springframework.org /docs/reference/aop.html#d0e3707   (8640 words)

  
 Aspect-Oriented Software Development Community & Conference :: AOSD
For a good overview of AOSD and aspect-oriented programming (AOP), the October 2001 issue issue of Communications of the ACM is a good place to start.
To add yourself to these lists, or to view the archives, use the links at the bottom of the page.
It has a nice collection of articles that cover representative work in AOSD.
aosd.net   (280 words)

  
 The AspectJ project at Eclipse.org
The books Eclipse AspectJ: Aspect-oriented programming with Eclipse and the AspectJ Development Tools by Adrian Colyer, Andy Clement, George Harley and Matthew Webster, and The AspectJ Cookbook by Russ Miles are now shipping.
Popular AspectJ docs: the AspectJ 5 Developer's Notebook, and the AspectJ Programming Guide.
The interview covers a number of topics including the history of AOP, the relationship of AOP to interceptors, industry acceptance of AOP, early aspects, and adoption strategies.
www.eclipse.org /aspectj   (807 words)

  
 Palo Alto Research Center
After developing several special-purpose aspect-oriented programming (AOP) languages, the attention shifted to making a general-purpose AOP language, and AspectJ was born.
The PARC work on aspect-oriented programming emerged from a longstanding goal of making it possible to cleanly capture complex design structures in software implementations.
More information on Aspect-Oriented Software Development can be found at http://aosd.net
www.parc.com /research/projects/aspectj   (413 words)

  
 Aspect-Oriented Programming - Kiczales, Lamping, Mendhekar, Maeda, Lopes, Loingtier, Irwin (ResearchIndex)
In ECOOP'97---Object-Oriented Programming, 11th European Conference, LNCS 1241, pages 220--242, 1997.
Abstract: this paper, we present an overview of our recent research on programming language expressivity.
0.4: D: A Language Framework For Distributed Programming - Lopes (1997)
citeseer.ist.psu.edu /kiczales97aspectoriented.html   (451 words)

  
 InformationWeek Software Tools Retooling The Programmers November 18, 2002
Modern programming languages are designed in a way that's object oriented: Related data and instructions are grouped together in hierarchies of reusable modules that represent entities in a program--say, employees, or products for sale on an E-commerce site.
Instead of setting policies by writing scattered code, these tools encapsulate those policies as aspects of a program that can be woven into the code wherever they're needed.
Just as bad, there's no simple way in popular computer languages such as Java and C++ to incorporate into the code the ideas of the nonprogrammers who'll end up using a piece of software.
www.informationweek.com /story/IWK20021114S0020   (796 words)

  
 Aspect Programming
Aspect Programming is an advocacy site for Aspect-Oriented Software Development, sometimes just called Aspect-Oriented Programming.
We explore the role that AOSD plays in many facets of software development, especially architecture, design, and implementation.
We also explore the practical challenges of using existing AOSD tools and techniques
www.aspectprogramming.com   (46 words)

  
 Aspect-Oriented Programming with Sun ONE Studio
Aspects are defined at the same level as classes, and are the basic modular units of aspect-oriented programming.
Fortunately, for a developer experienced with object-oriented programming, simple aspect-oriented programming (AOP) can be learned quickly and yields immediate benefits.
Aspects enable modularization of cross-cutting code – code that has a common purpose, but is implemented in snippets scattered across the code base in a typical object-oriented application.
developers.sun.com /tools/javatools/articles/aspectJ.html   (46 words)

  
 Sun Microsystems - SunFlash News Report: "A Primer for Aspect-Oriented Programming in Java"
Aspect-Oriented Programming (AOP) has attracted enough enthusiasts that some developers consider the model a successor to object-oriented programming (OOP).
Not so fast, suggests Tim Stevens in his informIT article "A Primer for Aspect-Oriented Programming in Java[tm]." [...read more...]
Sun Microsystems - SunFlash News Report: "A Primer for Aspect-Oriented Programming in Java"
sunflash.sun.com /articles/76/5/opt-dev/13331   (144 words)

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