src-spring-framework

Spring Framework

History

Chris Beams 431e935011 Fix APC registration for @EnableTransactionManagement Prior to this change, @EnableTransactionManagement (via the ProxyTransactionManagementConfiguration class) did not properly register its auto-proxy creator through the usual AopConfigUtils methods. It was trying to register the APC as a normal @Bean method, but this causes issues (SPR-8494) with the logic in AopConfigUtils#registerOrEscalateApcAsRequired, which expects the APC bean definition to have a beanClassName property. When the APC is registered via a @Bean definition, it is actually a factoryBean/factoryMethod situation with no directly resolvable beanClass/beanClassName. To solve this problem, ImportSelector#selectImports has been refactored to accept an ImportSelector.Context instance. This object contains the AnnotationMetadata of the importing class as well as the enclosing BeanDefinitionRegistry to allow for the kind of conditional bean registration necessary here. In this case, the bean definition that must be registered conditionally is that of the auto-proxy creator. It should only be registered if AdviceMode == PROXY, and thus the ImportSelector is an appropriate place to make this happen. It must happen as a BeanDefinition (rather than a @Bean method) for compatibility with AopConfigUtils, and working with the BeanDefinitionRegistry API allows for that. This change does mean that in certain cases like this one, #selectImports has container modifying side effects. Documentation has been updated to reflect. Issue: SPR-8411, SPR-8494		14 years ago
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