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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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23
spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -59,6 +59,7 @@ import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils;
/**
* {@link org.springframework.beans.factory.config.BeanPostProcessor} implementation
@@ -121,8 +122,8 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
private final Map<Class<?>, Constructor<?>[]> candidateConstructorsCache =
new ConcurrentHashMap<Class<?>, Constructor<?>[]>(64);
private final Map<Class<?>, InjectionMetadata> injectionMetadataCache =
new ConcurrentHashMap<Class<?>, InjectionMetadata>(64);
private final Map<String, InjectionMetadata> injectionMetadataCache =
new ConcurrentHashMap<String, InjectionMetadata>(64);
/**
@@ -214,7 +215,7 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
public void postProcessMergedBeanDefinition(RootBeanDefinition beanDefinition, Class<?> beanType, String beanName) {
if (beanType != null) {
InjectionMetadata metadata = findAutowiringMetadata(beanType);
InjectionMetadata metadata = findAutowiringMetadata(beanName, beanType);
metadata.checkConfigMembers(beanDefinition);
}
}
@@ -280,7 +281,7 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
public PropertyValues postProcessPropertyValues(
PropertyValues pvs, PropertyDescriptor[] pds, Object bean, String beanName) throws BeansException {
InjectionMetadata metadata = findAutowiringMetadata(bean.getClass());
InjectionMetadata metadata = findAutowiringMetadata(beanName, bean.getClass());
try {
metadata.inject(bean, beanName, pvs);
}
@@ -298,7 +299,7 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
*/
public void processInjection(Object bean) throws BeansException {
Class<?> clazz = bean.getClass();
InjectionMetadata metadata = findAutowiringMetadata(clazz);
InjectionMetadata metadata = findAutowiringMetadata(clazz.getName(), clazz);
try {
metadata.inject(bean, null, null);
}
@@ -308,15 +309,17 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
}
private InjectionMetadata findAutowiringMetadata(Class<?> clazz) {
private InjectionMetadata findAutowiringMetadata(String beanName, 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) {
metadata = buildAutowiringMetadata(clazz);
this.injectionMetadataCache.put(clazz, metadata);
this.injectionMetadataCache.put(cacheKey, metadata);
}
}
}