aspect-oriented programming

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aspect-oriented programming

(AOP) A style of programming that attempts to abstract out features common to many parts of the code beyond simple functional modules and thereby improve the quality of software.

Mechanisms for defining and composing abstractions are essential elements of programming languages. The design style supported by the abstraction mechanisms of most current languages is one of breaking a system down into parameterised components that can be called upon to perform a function.

But many systems have properties that don't necessarily align with the system's functional components, such as failure handling, persistence, communication, replication, coordination, memory management, or real-time constraints, and tend to cut across groups of functional components.

While they can be thought about and analysed relatively separately from the basic functionality, programming them using current component-oriented languages tends to result in these aspects being spread throughout the code. The source code becomes a tangled mess of instructions for different purposes.

This "tangling" phenomenon is at the heart of much needless complexity in existing software systems. A number of researchers have begun working on approaches to this problem that allow programmers 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. These approaches have been called aspect-oriented programming.

Xerox AOP homepage.


ECOOPP'99 AOP workshop.
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References in periodicals archive ?
Introducing aspect oriented technology in the development of reflective based adaptive system can address the issue of localization [8].
Metrics for aspect-oriented software design, in: Third International Workshop on Aspect Oriented Modeling at International Conference on Aspect-Oriented Software Development, ACM Press, New York, NY.
In the latest release, the Prism environment has added Aspect Oriented Programming (AOP), which takes Object Oriented Programming to the next level.
Mendhekar began his career at Xerox's Palo Alto Research centre, where he was one of the inventors of Aspect Oriented Programming, a rapidly spreading paradigm of programming that forms the core of products produced by his current firm, Blue Vector Systems.
A section is also devoted to Aspect Oriented Programming and the mew methods that are being used to determine which tests cases are impacted and need to be rewritten.
Major improvements in Spring's support for Aspect Oriented Programming (AOP), a powerful technique for modularizing code that would otherwise be scattered across a code base, improving maintainability and reducing the potential for errors.
Abstract: The paper offers graphic and aspect oriented model of application generators based on scripting languages.
JBoss developers will this year tackle improvements to the core application server, aspect oriented programming and the JbossCache, which was announced last December.
Language and compiler enhancements include new background compilation for Delphi and C++Builder, Attributes and RTTI (Run-Time Type Information) for the Delphi language, new draft C++0x language support and updated Boost, STL and TR1 libraries in C++Builder; and Aspect Oriented Programming (AOP) in Delphi Prism.
Aspect Oriented Programming (AOP) and its tools can benefit enterprise Java application development, especially in the writing of large-scale applications.
In previous works, we proposed an approach, using the Aspect Oriented Programming (AOP) paradigm, to increase the adaptability of Web Services.