org.dellroad.stuff.servlet
Class BigFatLockHeldAdvice

java.lang.Object
  org.springframework.aop.aspectj.AbstractAspectJAdvice
      org.springframework.aop.aspectj.AspectJMethodBeforeAdvice
          org.dellroad.stuff.servlet.BigFatLockHeldAdvice

All Implemented Interfaces:

org.aopalliance.aop.Advice, AspectJPrecedenceInformation, BeforeAdvice, MethodBeforeAdvice, Ordered

public class BigFatLockHeldAdvice
extends AspectJMethodBeforeAdvice

AspectJ method "before advice" that verifies that the BigFatLock is held.

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

BigFatLockHeldAdvice(Method aspectJBeforeAdviceMethod, AspectJExpressionPointcut pointcut, AspectInstanceFactory aif)
Constructor.

Method Summary

void	before(Method method, Object[] args, Object target) Verifies the BigFatLock is held.
protected void	lockNotHeld() Invoked in cases where the current thread does not hold the BigFatLock.

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

isAfterAdvice, isBeforeAdvice

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

BigFatLockHeldAdvice

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

Constructor.

Method Detail

before

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

Verifies the BigFatLock is held. If not, lockNotHeld() is invoked.

Specified by:

before in interface MethodBeforeAdvice

Overrides:

before in class AspectJMethodBeforeAdvice

lockNotHeld

protected void lockNotHeld()

Invoked in cases where the current thread does not hold the BigFatLock.

The implementation in BigFatLockHeldAdvice throws a BigFatLockNotHeldException. Subclasses can override to suit.