Spring AOP ( Aspect Oriented Programming )

 

Cross-cutting concern: Separating the service logic from the business logic is called cross-cutting concern,

Clear cut separation will be there.

Terminologies of AOP:

1. Aspect: It is the class that provides additional services to the project like Transaction management, security, encode/decode, logging etc.

Separating the business logic form the 3rd party service and keeping them in a separate class, that class we call it as Aspect:

2. Advices: Inside aspect, we write logic to give us the 

3. Pointcut

4. JointPoint 

5. Target

6. Weaving

7. Proxy

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Need to dump few topics...coming soon

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1. BeforeAdvice: Before the business method, the particular advice should be selected and executed.

2. AfterAdvice: After the execution of business logic method,  that particular advice should be executed. 

3. AroundAdvice: There will be 3 portions, before executing b.methods...some part of advice will be executed and then b.methods will execute and then remaining portion of the advice will be executed after the b.methods.

4. AfterReturningAdvice: No Exception in the business method, then execute this advice.

5. AfterThrowingAdvice: Exception in the business method, then execute this advice.