We now reuse interfaces for EntityManager and Query classes that
are proxied through ExtendedEntityManagerCreator and SharedEntityManagerCreator.
These caches prevent excessive object allocations through
ClassUtils.getAllInterfacesForClass(…) and
ClassUtils.getAllInterfacesForClassAsSet(…).
Deprecate all mutation methods in `MethodParameter` in favor of factory
methods that return a new instance. Existing code that previously relied
on mutation has been updated to use the replacement methods.
Closes gh-23385
Update `AbstractAutowireCapableBeanFactory.getTypeForFactoryBean` to
use fallback to `determineTargetType` if the factory bean definition
does not have a resolved class.
This is required for the case where a `@Configuration` class is picked
up via component scanning and has a bean type that has not yet been
resolved.
Closes gh-23338
Prior to this commit, the new `TYPE_HIERARCHY_AND_ENCLOSING_CLASSES`
annotation search strategy failed to find annotations on enclosing
classes if the source class was a nested class that itself had no
annotations present.
This commit fixes this by adding special logic to AnnotationsScanner's
isWithoutHierarchy() method to properly support nested classes.
Closes gh-23378
Add a `TYPE_HIERARCHY_AND_ENCLOSING_CLASSES` annotation search strategy
that can be used to search the full type hierarchy as well as any
enclosing classes.
Closes gh-23378
Update code that's often called so that zero length array results use
a single shared static constant, rather than a new instance for each
call.
Closes gh-23340
Update `getTypeForFactoryBean` detection so that a bean definition
attribute can be used to supply the result. This commit allows projects
such as Spring Data to provide the result that would be supplied by
`getObjectType` early so that we don't need to initialize the
`FactoryBean` unnecessarily.
Closes gh-23338
Update the `FactoryBean` type prediction logic (primarily in the
`DefaultListableBeanFactory`) so that generic type information is
considered when calling `getBeanNamesForType` on a non-frozen
configuration.
Calling `getBeanNamesForType` with `allowEagerInit` disabled will now
detect `FactoryBean` variants as long as generic type information is
available in either the class or the factory method return type.
Closes gh-23338
Update the logic in `AbstractBeanFactory` so that caches from merged
bean definitions remain whenever possible.
Prior to this commit, all merged bean definitions would be completely
removed after bean post processing in case a processor changed the bean
type. It's fairly unlikely these days that the bean type will actually
change, so instead we now compare a subset of the old cached properties
against the newly created definition. Only if key properties have
changed do we now discard the older cached values.
Closes gh-23336
Update `ListableBeanFactory` and `BeanFactoryUtils` to add the missing
`getBeanNamesForType` methods that accept a `ResolvableType` rather
than a `Class`.
This completes the work started in 778a01943b.
Closes gh-23335
Sam Brannen
Rossen Stoyanchev
康智冬
Stephane Nicoll
Spring Buildmaster
Juergen Hoeller
Mark Paluch
Arjen Poutsma
Sergey Galkin
liym@com
Phillip Webb