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LoadTimeWeaverAware beans are consistently being created early for JPA weaving to work reliably

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Includes a change for factory methods that declare their return type as FactoryBean: When asked for a specific type match (e.g. LoadTimeWeaverAware), we do check early singleton instances as well (reusing the instances that we create for getObjectType checks). This is necessary in order to make @Bean method introspection as capable as XML bean definition introspection, even in case of the @Bean method using a generic FactoryBean declaration for its return type (instead of the FactoryBean impl class).

Issue: SPR-9857
This commit is contained in:
Juergen Hoeller
2012-10-12 16:22:11 +02:00
parent 7c1a2f37f2
commit 679e122326
3 changed files with 75 additions and 12 deletions
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10
org.springframework.beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2011 the original author or authors.
* Copyright 2002-2012 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.
@@ -588,6 +588,10 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
}
}
}
if (FactoryBean.class.equals(beanClass) && mbd.isSingleton() &&
(typesToMatch.length > 1 || (typesToMatch.length == 1 && !typesToMatch[0].equals(FactoryBean.class)))) {
return getSingletonFactoryBeanForTypeCheck(beanName, mbd).getClass();
}
return beanClass;
}
@@ -672,12 +676,12 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
// Try to obtain the FactoryBean's object type without instantiating it at all.
BeanDefinition fbDef = getBeanDefinition(factoryBeanName);
if (fbDef instanceof AbstractBeanDefinition) {
Class<?> fbClass = ((AbstractBeanDefinition)fbDef).getBeanClass();
Class<?> fbClass = ((AbstractBeanDefinition) fbDef).getBeanClass();
if (ClassUtils.isCglibProxyClass(fbClass)) {
// CGLIB subclass methods hide generic parameters. look at the superclass.
fbClass = fbClass.getSuperclass();
}
// find the given factory method, taking into account that in the case of
// Find the given factory method, taking into account that in the case of
// @Bean methods, there may be parameters present.
ReflectionUtils.doWithMethods(fbClass,
new ReflectionUtils.MethodCallback() {