org.springframework.aop.framework.adapter

Class MethodBeforeAdviceAdapter

java.lang.Object

org.springframework.aop.framework.adapter.MethodBeforeAdviceAdapter

All Implemented Interfaces:

java.io.Serializable, AdvisorAdapter

class MethodBeforeAdviceAdapter
extends java.lang.Object
implements AdvisorAdapter, java.io.Serializable

Adapter to enable MethodBeforeAdvice to be used in the Spring AOP framework.

Author:

Rod Johnson, Juergen Hoeller

Constructor Summary

Constructors

Constructor and Description
MethodBeforeAdviceAdapter()

Method Summary

Modifier and Type	Method and Description
MethodInterceptor	getInterceptor(Advisor advisor) Return an AOP Alliance MethodInterceptor exposing the behavior of the given advice to an interception-based AOP framework.
boolean	supportsAdvice(Advice advice) Does this adapter understand this advice object? Is it valid to invoke the getInterceptors method with an Advisor that contains this advice as an argument?

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MethodBeforeAdviceAdapter

MethodBeforeAdviceAdapter()

Method Detail

supportsAdvice

public boolean supportsAdvice(Advice advice)

Description copied from interface: AdvisorAdapter

Does this adapter understand this advice object? Is it valid to invoke the getInterceptors method with an Advisor that contains this advice as an argument?

Specified by:

supportsAdvice in interface AdvisorAdapter

Parameters:

advice - an Advice such as a BeforeAdvice

Returns:

whether this adapter understands the given advice object

See Also:

AdvisorAdapter.getInterceptor(org.springframework.aop.Advisor), BeforeAdvice

getInterceptor

public MethodInterceptor getInterceptor(Advisor advisor)

Description copied from interface: AdvisorAdapter

Return an AOP Alliance MethodInterceptor exposing the behavior of the given advice to an interception-based AOP framework.

Don't worry about any Pointcut contained in the Advisor; the AOP framework will take care of checking the pointcut.

Specified by:

getInterceptor in interface AdvisorAdapter

Parameters:

advisor - the Advisor. The supportsAdvice() method must have returned true on this object

Returns:

an AOP Alliance interceptor for this Advisor. There's no need to cache instances for efficiency, as the AOP framework caches advice chains.