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Cache InjectionMetadata per bean name instead of per Class, if possible

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Issue: SPR-11027
This commit is contained in:
Juergen Hoeller
2013-10-26 14:03:11 +02:00
parent 14b9931ee3
commit 4675bc4e0c
3 changed files with 17 additions and 9 deletions
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9
spring-orm/src/main/java/org/springframework/orm/jpa/support/PersistenceAnnotationBeanPostProcessor.java
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@@ -62,6 +62,7 @@ import org.springframework.orm.jpa.SharedEntityManagerCreator;
import org.springframework.util.ClassUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils;
/**
* BeanPostProcessor that processes {@link javax.persistence.PersistenceUnit}
@@ -376,10 +377,12 @@ public class PersistenceAnnotationBeanPostProcessor
private InjectionMetadata findPersistenceMetadata(String beanName, final Class<?> clazz) {
// Quick check on the concurrent map first, with minimal locking.
InjectionMetadata metadata = this.injectionMetadataCache.get(beanName);
// Fall back to class name as cache key, for backwards compatibility with custom callers.
String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
if (metadata == null) {
synchronized (this.injectionMetadataCache) {
metadata = this.injectionMetadataCache.get(beanName);
metadata = this.injectionMetadataCache.get(cacheKey);
if (metadata == null) {
LinkedList<InjectionMetadata.InjectedElement> elements = new LinkedList<InjectionMetadata.InjectedElement>();
Class<?> targetClass = clazz;
@@ -417,7 +420,7 @@ public class PersistenceAnnotationBeanPostProcessor
while (targetClass != null && targetClass != Object.class);
metadata = new InjectionMetadata(clazz, elements);
this.injectionMetadataCache.put(beanName, metadata);
this.injectionMetadataCache.put(cacheKey, metadata);
}
}
}