AspectJ matchesMethodExecution call needs to be synchronized (SPR-5687)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@1026 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Juergen Hoeller 2009-04-19 19:33:23 +00:00
parent 6b1983e944
commit 07b161ad42
1 changed files with 23 additions and 16 deletions

View File

@ -348,29 +348,36 @@ public class AspectJExpressionPointcut extends AbstractExpressionPointcut
}
private ShadowMatch getShadowMatch(Method targetMethod, Method originalMethod) {
// Avoid lock contention for known Methods through concurrent access...
ShadowMatch shadowMatch = this.shadowMatchCache.get(targetMethod);
if (shadowMatch == null) {
try {
shadowMatch = this.pointcutExpression.matchesMethodExecution(targetMethod);
}
catch (ReflectionWorld.ReflectionWorldException ex) {
// Failed to introspect target method, probably because it has been loaded
// in a special ClassLoader. Let's try the original method instead...
if (targetMethod == originalMethod) {
shadowMatch = new ShadowMatchImpl(org.aspectj.util.FuzzyBoolean.NO, null, null, null);
}
else {
synchronized (this.shadowMatchCache) {
// Not found - now check again with full lock...
shadowMatch = this.shadowMatchCache.get(targetMethod);
if (shadowMatch == null) {
try {
shadowMatch = this.pointcutExpression.matchesMethodExecution(originalMethod);
shadowMatch = this.pointcutExpression.matchesMethodExecution(targetMethod);
}
catch (ReflectionWorld.ReflectionWorldException ex2) {
// Could neither introspect the target class nor the proxy class ->
// let's simply consider this method as non-matching.
shadowMatch = new ShadowMatchImpl(org.aspectj.util.FuzzyBoolean.NO, null, null, null);
catch (ReflectionWorld.ReflectionWorldException ex) {
// Failed to introspect target method, probably because it has been loaded
// in a special ClassLoader. Let's try the original method instead...
if (targetMethod == originalMethod) {
shadowMatch = new ShadowMatchImpl(org.aspectj.util.FuzzyBoolean.NO, null, null, null);
}
else {
try {
shadowMatch = this.pointcutExpression.matchesMethodExecution(originalMethod);
}
catch (ReflectionWorld.ReflectionWorldException ex2) {
// Could neither introspect the target class nor the proxy class ->
// let's simply consider this method as non-matching.
shadowMatch = new ShadowMatchImpl(org.aspectj.util.FuzzyBoolean.NO, null, null, null);
}
}
}
this.shadowMatchCache.put(targetMethod, shadowMatch);
}
}
this.shadowMatchCache.put(targetMethod, shadowMatch);
}
return shadowMatch;
}