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Improve annotation processing thread-safety #2

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37 changes: 21 additions & 16 deletions .../org/springframework/beans/factory/annotation/InitDestroyAnnotationBeanPostProcessor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.LinkedList;
Expand Down Expand Up @@ -246,15 +247,15 @@ private class LifecycleMetadata {
public LifecycleMetadata(Class<?> targetClass, Collection<LifecycleElement> initMethods,
Collection<LifecycleElement> destroyMethods) {

this.initMethods = new LinkedHashSet<LifecycleElement>();
this.initMethods = Collections.synchronizedSet(new LinkedHashSet<LifecycleElement>());
for (LifecycleElement element : initMethods) {
if (logger.isDebugEnabled()) {
logger.debug("Found init method on class [" + targetClass.getName() + "]: " + element);
}
this.initMethods.add(element);
}

this.destroyMethods = new LinkedHashSet<LifecycleElement>();
this.destroyMethods = Collections.synchronizedSet(new LinkedHashSet<LifecycleElement>());
for (LifecycleElement element : destroyMethods) {
if (logger.isDebugEnabled()) {
logger.debug("Found destroy method on class [" + targetClass.getName() + "]: " + element);
Expand All @@ -264,22 +265,26 @@ public LifecycleMetadata(Class<?> targetClass, Collection<LifecycleElement> init
}

public void checkConfigMembers(RootBeanDefinition beanDefinition) {
for (Iterator<LifecycleElement> it = this.initMethods.iterator(); it.hasNext();) {
String methodIdentifier = it.next().getIdentifier();
if (!beanDefinition.isExternallyManagedInitMethod(methodIdentifier)) {
beanDefinition.registerExternallyManagedInitMethod(methodIdentifier);
}
else {
it.remove();
synchronized(this.initMethods) {
for (Iterator<LifecycleElement> it = this.initMethods.iterator(); it.hasNext();) {
String methodIdentifier = it.next().getIdentifier();
if (!beanDefinition.isExternallyManagedInitMethod(methodIdentifier)) {
beanDefinition.registerExternallyManagedInitMethod(methodIdentifier);
}
else {
it.remove();
}
}
}
for (Iterator<LifecycleElement> it = this.destroyMethods.iterator(); it.hasNext();) {
String methodIdentifier = it.next().getIdentifier();
if (!beanDefinition.isExternallyManagedDestroyMethod(methodIdentifier)) {
beanDefinition.registerExternallyManagedDestroyMethod(methodIdentifier);
}
else {
it.remove();
synchronized(this.destroyMethods) {
for (Iterator<LifecycleElement> it = this.destroyMethods.iterator(); it.hasNext();) {
String methodIdentifier = it.next().getIdentifier();
if (!beanDefinition.isExternallyManagedDestroyMethod(methodIdentifier)) {
beanDefinition.registerExternallyManagedDestroyMethod(methodIdentifier);
}
else {
it.remove();
}
}
}
}
Expand Down
19 changes: 11 additions & 8 deletions ...k.beans/src/main/java/org/springframework/beans/factory/annotation/InjectionMetadata.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;
Expand Down Expand Up @@ -53,7 +54,7 @@ public class InjectionMetadata {


public InjectionMetadata(Class targetClass, Collection<InjectedElement> elements) {
this.injectedElements = new LinkedHashSet<InjectedElement>();
this.injectedElements = Collections.synchronizedSet(new LinkedHashSet<InjectedElement>());
for (InjectedElement element : elements) {
if (logger.isDebugEnabled()) {
logger.debug("Found injected element on class [" + targetClass.getName() + "]: " + element);
Expand All @@ -63,13 +64,15 @@ public InjectionMetadata(Class targetClass, Collection<InjectedElement> elements
}

public void checkConfigMembers(RootBeanDefinition beanDefinition) {
for (Iterator<InjectedElement> it = this.injectedElements.iterator(); it.hasNext();) {
Member member = it.next().getMember();
if (!beanDefinition.isExternallyManagedConfigMember(member)) {
beanDefinition.registerExternallyManagedConfigMember(member);
}
else {
it.remove();
synchronized(this.injectedElements) {
for (Iterator<InjectedElement> it = this.injectedElements.iterator(); it.hasNext();) {
Member member = it.next().getMember();
if (!beanDefinition.isExternallyManagedConfigMember(member)) {
beanDefinition.registerExternallyManagedConfigMember(member);
}
else {
it.remove();
}
}
}
}
Expand Down