Spring AOP Annotations | Spring Tutorial in Hindi | #35

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The Spring Framework recommends you to use Spring AspectJ AOP implementation over the Spring 1.2 old style dtd based AOP implementation because it provides you more control and it is easy to use.

There are two ways to use Spring AOP AspectJ implementation:

1. By annotation: We are going to learn it here.
2. By xml configuration (schema based)

Spring AspectJ AOP implementation provides many annotations:

1. @Aspect declares the class as aspect.
2. @Pointcut declares the pointcut expression.

The annotations used to create advices are given below:

1. @Before declares the before advice. It is applied before calling the actual method.
2. @After declares the after advice. It is applied after calling the actual method and before returning result.
3. @AfterReturning declares the after returning advice. It is applied after calling the actual method and before returning result. But you can get the result value in the advice.
4. @Around declares the around advice. It is applied before and after calling the actual method.
5. @AfterThrowing declares the throws advice. It is applied if actual method throws exception.
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Pointcut is an expression language of Spring AOP.

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