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Drop Introspector.flushFromCaches calls completely 

According to the JDK's documentation and changelog, the Introspector itself safely handles weak references as of JDK 6 update 21 (which is what we require for Spring 4.0).

Issue: SPR-11356
This commit is contained in:
Juergen Hoeller 2014-01-24 18:22:11 +01:00
parent 167329ce0c
commit defc1d3157
1 changed files with 0 additions and 14 deletions
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14
spring-beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java
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@ -289,20 +289,6 @@ public class CachedIntrospectionResults {
} }
this.beanInfo = beanInfo; this.beanInfo = beanInfo;
// Only bother with flushFromCaches if the Introspector actually cached...
if (!shouldIntrospectorIgnoreBeaninfoClasses) {
// Immediately remove class from Introspector cache, to allow for proper
// garbage collection on class loader shutdown - we cache it here anyway,
// in a GC-friendly manner. In contrast to CachedIntrospectionResults,
// Introspector does not use WeakReferences as values of its WeakHashMap!
Class<?> classToFlush = beanClass;
do {
Introspector.flushFromCaches(classToFlush);
classToFlush = classToFlush.getSuperclass();
}
while (classToFlush != null);
}
if (logger.isTraceEnabled()) { if (logger.isTraceEnabled()) {
logger.trace("Caching PropertyDescriptors for class [" + beanClass.getName() + "]"); logger.trace("Caching PropertyDescriptors for class [" + beanClass.getName() + "]");
} }