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Document 'preferredConstructors' attribute escape hatch with AOT 

See gh-30917
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Stephane Nicoll 2023-08-02 16:40:13 +02:00
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framework-docs/modules/ROOT/pages/core/aot.adoc
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@ -256,6 +256,13 @@ Java::
If you are registering bean definitions programmatically, consider using `RootBeanBefinition` as it allows to specify a `ResolvableType` that handles generics. If you are registering bean definitions programmatically, consider using `RootBeanBefinition` as it allows to specify a `ResolvableType` that handles generics.
[[aot.bestpractices.constructors]]
=== Avoid Multiple Constructors
The container is able to choose the most appropriate constructor to use based on several candidates.
However, this is not a best practice and flagging the preferred constructor with `@Autowired` if necessary is preferred.
In case you are working on a code base that you can't modify, you can set the {api-spring-framework}/beans/factory/support/AbstractBeanDefinition.html#PREFERRED_CONSTRUCTORS_ATTRIBUTE[`preferredConstructors` attribute] on the related bean definition to indicate which constructor should be used.
[[aot.bestpractices.factory-bean]] [[aot.bestpractices.factory-bean]]
=== FactoryBean === FactoryBean