AspectJMethodBeforeAdvice (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.aop.aspectj
Class AspectJMethodBeforeAdvice

java.lang.Object
  org.springframework.aop.aspectj.AbstractAspectJAdvice
      org.springframework.aop.aspectj.AspectJMethodBeforeAdvice

All Implemented Interfaces:: Advice, AspectJPrecedenceInformation, BeforeAdvice, MethodBeforeAdvice, Ordered

public class AspectJMethodBeforeAdvice
extends AbstractAspectJAdvice
implements MethodBeforeAdvice
extends AbstractAspectJAdvice
implements MethodBeforeAdvice

Spring AOP advice that wraps an AspectJ before method.

Since:: 2.0
Author:: Rod Johnson, Adrian Colyer

Field Summary

Fields inherited from class org.springframework.aop.aspectj.AbstractAspectJAdvice

aspectJAdviceMethod, JOIN_POINT_KEY

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

AspectJMethodBeforeAdvice(Method aspectJBeforeAdviceMethod, AspectJExpressionPointcut pointcut, AspectInstanceFactory aif)


Method Summary

void before(Method method, Object[] args, Object target)
          Callback before a given method is invoked.

boolean isAfterAdvice()
          Return whether this is an after advice.

boolean isBeforeAdvice()
          Return whether this is a before advice.

Methods inherited from class org.springframework.aop.aspectj.AbstractAspectJAdvice

argBinding, buildSafePointcut, calculateArgumentBindings, createParameterNameDiscoverer, currentJoinPoint, getAspectInstanceFactory, getAspectJAdviceMethod, getAspectName, getDeclarationOrder, getDiscoveredReturningType, getDiscoveredThrowingType, getJoinPoint, getJoinPointMatch, getJoinPointMatch, getOrder, getPointcut, invokeAdviceMethod, invokeAdviceMethod, invokeAdviceMethodWithGivenArgs, setArgumentNames, setArgumentNamesFromStringArray, setAspectName, setDeclarationOrder, setReturningName, setReturningNameNoCheck, setThrowingName, setThrowingNameNoCheck, toString

Methods inherited from class java.lang.Object

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

Fields inherited from class org.springframework.aop.aspectj.AbstractAspectJAdvice
`aspectJAdviceMethod, JOIN_POINT_KEY`

Fields inherited from interface org.springframework.core.Ordered
`HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE`

Constructor Summary
`AspectJMethodBeforeAdvice(Method aspectJBeforeAdviceMethod, AspectJExpressionPointcut pointcut, AspectInstanceFactory aif)`

Method Summary
`void`	`before(Method method, Object[] args, Object target)` Callback before a given method is invoked.
`boolean`	`isAfterAdvice()` Return whether this is an after advice.
`boolean`	`isBeforeAdvice()` Return whether this is a before advice.

Methods inherited from class org.springframework.aop.aspectj.AbstractAspectJAdvice
argBinding, buildSafePointcut, calculateArgumentBindings, createParameterNameDiscoverer, currentJoinPoint, getAspectInstanceFactory, getAspectJAdviceMethod, getAspectName, getDeclarationOrder, getDiscoveredReturningType, getDiscoveredThrowingType, getJoinPoint, getJoinPointMatch, getJoinPointMatch, getOrder, getPointcut, invokeAdviceMethod, invokeAdviceMethod, invokeAdviceMethodWithGivenArgs, setArgumentNames, setArgumentNamesFromStringArray, setAspectName, setDeclarationOrder, setReturningName, setReturningNameNoCheck, setThrowingName, setThrowingNameNoCheck, toString

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

AspectJMethodBeforeAdvice

public AspectJMethodBeforeAdvice(Method aspectJBeforeAdviceMethod,
                                 AspectJExpressionPointcut pointcut,
                                 AspectInstanceFactory aif)

Method Detail

before

public void before(Method method,
                   Object[] args,
                   Object target)
            throws Throwable

Description copied from interface: MethodBeforeAdvice

Callback before a given method is invoked.

Specified by:: before in interface MethodBeforeAdvice

Parameters:: method - method being invoked; args - arguments to the method; target - target of the method invocation. May be null.
Throws:: Throwable - if this object wishes to abort the call. Any exception thrown will be returned to the caller if it's allowed by the method signature. Otherwise the exception will be wrapped as a runtime exception.

isBeforeAdvice

public boolean isBeforeAdvice()

Description copied from interface: AspectJPrecedenceInformation

Return whether this is a before advice.

Specified by:: isBeforeAdvice in interface AspectJPrecedenceInformation

isAfterAdvice

public boolean isAfterAdvice()