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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 ...
Agent-oriented programming (AOP) is a programming paradigm where the construction of the software is centered on the concept of software agents.In contrast to object-oriented programming which has objects (providing methods with variable parameters) at its core, AOP has externally specified agents (with interfaces and messaging capabilities) at its core.
The implementation of the language's execution model tracks which operations are free to execute and chooses the order independently. More at Comparison of multi-paradigm programming languages. In object-oriented programming, code is organized into objects that contain state that is owned by and (usually) controlled by the code of the object ...
The C and Java execution models are sequential, and they state that the timeline has activities that come before the call to "gain ownership of the lock", and activities that come after the call. Likewise there is a "give up ownership of the lock" operation. In C this would be pthread_mutex_unlock(&myMutex). In Java this would be lock.unlock().
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] The aspect weaver analyzes the advice specified by the pointcut in the aspect and uses that advice to distribute the implementation code into the defined class.
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.
However, these were dropped from C++. [1] Advices are part of the Common Lisp Object System (CLOS), as :before, :after, and :around methods, which are combined with the primary method under "standard method combination". [2] Common Lisp implementations provide advice functionality (in addition to the standard method combination for CLOS) as ...
In Objective-C, a trampoline is an object returned by a method that captures and reifies all messages sent to it and then "bounces" those messages on to another object, for example in higher order messaging. [6] In the GCC compiler, trampoline refers to a technique for implementing pointers to nested functions when -ftrampolines option is ...