Prior to this commit, the `ConcurrentReferenceHashMap#restructure`
operation would null out the entire references array before starting the
restructuring operation (in case resizing is not necessary).
This could cause at runtime race conditions where a lookup operation
would return null, when the value is actually cached but not accesible
during the restructuring phase.
This commit ensures that, when resizing is not required, a new reference
list is built (purged of null entries) and then assigned to the
reference array. This way, concurrent reads will not return null for
existing entries and there are less chances of re-calculating cache
entries during the restructuring phase.
Closes gh-31008
Required by Spring Security to complete work on
https://github.com/spring-projects/spring-security/issues/14128
The setCache and resetCache methods used from createCacheFilter are now
public. Generally they don't need to be used outside of the Filter if
only making checks against the current request. Spring Security, however,
makes additional checks against requests with alternative paths.
Commit 33454a4007 introduced a regression in Comparators.nullsLow() and
Comporators.nullsHigh().
This commit updates the code so that nullsLow() sorts null values lower
than non-null values and nullsHigh sorts null values higher than
non-null values.
See gh-25478
Closes gh-31808
This commit adds ahead of time support for @Resource on fields and
methods. Lookup elements are discovered and code is generated to replace
that introspection at runtime.
Closes gh-29614
Introduce ShardingKeyDataSourceAdapter to get shard connections.
This commit introduces a DataSource proxy, that changes the behavior of the getConnection method to use the `createConnectionBuilder()` api to acquire direct shard connections. The shard connection is acquired by specifying a `ShardingKey` that is correspondent to the wanted shard.
While it is not easily possible to create a ConcurrentTaskScheduler
with no scheduled executor, DefaultManagedTaskScheduler has a default
constructor that does that as the JNDI lookup happens in the regular
afterPropertiesSet callback. If such an instance is created manually,
it can throw an unhelpful NullPointerException if one attempts to
schedule a task.
This commit updates ConcurrentTaskScheduler to flag that the scheduled
executor could be `null` and check if that's the case before using it.
This now throws a dedicated exception that should hopefully provide
better context for those upgrading.
See gh-27914
Closes gh-31751
This file is incomplete and has outdated content. Given that several
core committers are not even listed, it does not seem to serve a
valid purpose anymore.
Closes gh-31740
Previously, if an annotation processors was present in the classpath
it was executed as part of tests using `TestCompiler`.
This commit updates `TestCompiler` to always set the annotation
processors to use. By default, this sets an empty list which does not
use annotation processing.
Closes gh-31791
Includes special support for a read-only DataSource in addition to the regular target DataSource, avoiding the overhead of switching the Connection's read-only flag at the beginning and end of every transaction.
Closes gh-29931
Closes gh-31785
Closes gh-19688
Closes gh-21415
In gh-30549 we applied changes to the `DefaultPersistenceUnitManager` to
use the `ValidationMode.CALLBACK` to better detect invalid validation
setup and enforce bootstrap failures in those cases.
Unfortunately, doing so disables the detection of validation annotation
on entities during the schema creation phase. This is a known Hibernate
issue. This commit reverts this change until HHH-12287 is fixed.
Fixes gh-31726
Brian Clozel
Juergen Hoeller
Sébastien Deleuze
rstoyanchev
Stéphane Nicoll
Arjen Poutsma
Sam Brannen
Mathieu AMBLARD (u118971)
juhyun
Mohammed Bekraoui
Gabriel Ramirez
Giuseppe Milicia
Henning Poettker
Sam Brannen