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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
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7
org.springframework.aop/src/main/java/org/springframework/aop/aspectj/AspectJExpressionPointcut.java
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@ -348,7 +348,12 @@ 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) {
synchronized (this.shadowMatchCache) {
// Not found - now check again with full lock...
shadowMatch = this.shadowMatchCache.get(targetMethod);
if (shadowMatch == null) {
try {
shadowMatch = this.pointcutExpression.matchesMethodExecution(targetMethod);
@ -372,6 +377,8 @@ public class AspectJExpressionPointcut extends AbstractExpressionPointcut
}
this.shadowMatchCache.put(targetMethod, shadowMatch);
}
}
}
return shadowMatch;
}