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Do not replace existing Bean Override definition with pseudo-definition

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Prior to this commit, BeanOverrideBeanFactoryPostProcessor replaced
existing bean definitions with "pseudo" bean definitions; however, that
is unnecessary. An existing BeanDefinition is suitable as-is and does
not need to be replaced with a pseudo/fake definition.

To address that, this commit reregisters an existing bean definition
and only registers a new bean definition when creating a bean
definition for a nonexistent bean.

As a side effect, we no longer need to copy primary and fallback flags.

Closes gh-33627
This commit is contained in:
Sam Brannen
2024-10-01 12:20:15 +02:00
parent 56a0a33e5d
commit a21c557101
2 changed files with 14 additions and 20 deletions
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25
spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java
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@@ -148,14 +148,17 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
// Process existing bean definition.
if (existingBeanDefinition != null) {
validateBeanDefinition(beanFactory, beanName);
copyBeanDefinitionProperties(existingBeanDefinition, pseudoBeanDefinition);
// Since validation may have registered a singleton as a side effect -- for example,
// for a FactoryBean -- we need to remove the bean definition (which removes the
// singleton as a side effect) and re-register the bean definition.
registry.removeBeanDefinition(beanName);
registry.registerBeanDefinition(beanName, existingBeanDefinition);
}
else {
// There was no existing bean definition, so we register the pseudo bean definition
// to ensure that a bean definition exists for the given bean name.
registry.registerBeanDefinition(beanName, pseudoBeanDefinition);
}
// At this point, we either removed an existing bean definition above, or
// there was no bean definition to begin with. So, we register the pseudo bean
// definition to ensure that a bean definition exists for the given bean name.
registry.registerBeanDefinition(beanName, pseudoBeanDefinition);
Object override = overrideMetadata.createOverride(beanName, existingBeanDefinition, null);
overrideMetadata.track(override, beanFactory);
@@ -294,16 +297,6 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
() -> "Unable to override bean '" + beanName + "': only singleton beans can be overridden.");
}
/**
* Copy the following properties of the source {@link BeanDefinition} to the
* target: the {@linkplain BeanDefinition#isPrimary() primary flag} and the
* {@linkplain BeanDefinition#isFallback() fallback flag}.
*/
private static void copyBeanDefinitionProperties(BeanDefinition source, RootBeanDefinition target) {
target.setPrimary(source.isPrimary());
target.setFallback(source.isFallback());
}
static class WrapEarlyBeanPostProcessor implements SmartInstantiationAwareBeanPostProcessor,
PriorityOrdered {