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

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Issue: SPR-11027
(cherry picked from commit 4675bc4)
This commit is contained in:
Juergen Hoeller
2013-10-26 15:18:34 +02:00
parent 93405fb289
commit ce001c23f7
3 changed files with 35 additions and 27 deletions
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19
spring-orm/src/main/java/org/springframework/orm/jpa/support/PersistenceAnnotationBeanPostProcessor.java
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@@ -61,6 +61,7 @@ import org.springframework.orm.jpa.ExtendedEntityManagerCreator;
import org.springframework.orm.jpa.SharedEntityManagerCreator;
import org.springframework.util.ClassUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
/**
* BeanPostProcessor that processes {@link javax.persistence.PersistenceUnit}
@@ -181,8 +182,8 @@ public class PersistenceAnnotationBeanPostProcessor
private transient ListableBeanFactory beanFactory;
private transient final Map<Class<?>, InjectionMetadata> injectionMetadataCache =
new ConcurrentHashMap<Class<?>, InjectionMetadata>(64);
private transient final Map<String, InjectionMetadata> injectionMetadataCache =
new ConcurrentHashMap<String, InjectionMetadata>(64);
private final Map<Object, EntityManager> extendedEntityManagersToClose =
new ConcurrentHashMap<Object, EntityManager>(16);
@@ -319,7 +320,7 @@ public class PersistenceAnnotationBeanPostProcessor
public void postProcessMergedBeanDefinition(RootBeanDefinition beanDefinition, Class<?> beanType, String beanName) {
if (beanType != null) {
InjectionMetadata metadata = findPersistenceMetadata(beanType);
InjectionMetadata metadata = findPersistenceMetadata(beanName, beanType);
metadata.checkConfigMembers(beanDefinition);
}
}
@@ -335,7 +336,7 @@ public class PersistenceAnnotationBeanPostProcessor
public PropertyValues postProcessPropertyValues(
PropertyValues pvs, PropertyDescriptor[] pds, Object bean, String beanName) throws BeansException {
InjectionMetadata metadata = findPersistenceMetadata(bean.getClass());
InjectionMetadata metadata = findPersistenceMetadata(beanName, bean.getClass());
try {
metadata.inject(bean, beanName, pvs);
}
@@ -359,12 +360,14 @@ public class PersistenceAnnotationBeanPostProcessor
}
private InjectionMetadata findPersistenceMetadata(final Class<?> clazz) {
private InjectionMetadata findPersistenceMetadata(String beanName, final Class<?> clazz) {
// Quick check on the concurrent map first, with minimal locking.
InjectionMetadata metadata = this.injectionMetadataCache.get(clazz);
// 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(clazz);
metadata = this.injectionMetadataCache.get(cacheKey);
if (metadata == null) {
LinkedList<InjectionMetadata.InjectedElement> elements = new LinkedList<InjectionMetadata.InjectedElement>();
Class<?> targetClass = clazz;
@@ -402,7 +405,7 @@ public class PersistenceAnnotationBeanPostProcessor
while (targetClass != null && targetClass != Object.class);
metadata = new InjectionMetadata(clazz, elements);
this.injectionMetadataCache.put(clazz, metadata);
this.injectionMetadataCache.put(cacheKey, metadata);
}
}
}