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In computing, aspect-oriented programming (AOP) is a programming paradigm that aims to increase modularity by allowing the separation of cross-cutting concerns.It does so by adding behavior to existing code (an advice) without modifying the code, instead separately specifying which code is modified via a "pointcut" specification, such as "log all function calls when the function's name begins ...
Whenever the program execution reaches one of the join points described in the pointcut, a piece of code associated with the pointcut (called advice) is executed. This allows a programmer to describe where and when additional code should be executed in addition to already-defined behavior.
The example at right shows a potential implementation of an aspect which logs the entry and exit of all methods. Without an aspect weaver, this feature would require duplication of code in the class for every method. Instead, the entry and exit code is defined solely within the aspect. [12]
In contrast, distributed AOP is a paradigm that allows distributed interception. It defines many new concepts like remote pointcuts, which are similar to traditional remote method calls, since execution is performed on a remote host. Thus, distributed AOP establishes a context where aspects can be deployed in a set of hosts.
AspectJ is an aspect-oriented programming (AOP) extension for the Java programming language, created at PARC.It is available in Eclipse Foundation open-source projects, both stand-alone and integrated into Eclipse.
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Exactly 10 years ago today, I published a commentary defending the decision to publish the contents of the Sony hack in Variety, the publication where I then served as co-editor-in-chief. Listen ...