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document limitation of LazyToOne(NO_PROXY) to non-polymorphic associations

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we can roll back this commit if/when we fix the limitation, as proposed:

    https://github.com/hibernate/hibernate-orm/discussions/5591
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Gavin 2022-11-21 17:21:15 +01:00 committed by Gavin King
parent 2e02b9a74f
commit a72c8744a8
2 changed files with 8 additions and 0 deletions
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4
hibernate-core/src/main/java/org/hibernate/annotations/LazyToOne.java
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@ -49,6 +49,10 @@
* {@code instanceof} and {@link Object#getClass()} work as * {@code instanceof} and {@link Object#getClass()} work as
* normal, since the concrete type of the entity instance is * normal, since the concrete type of the entity instance is
* known immediately. This is usually bad tradeoff. * known immediately. This is usually bad tradeoff.
* <p>
* <strong>Currently, Hibernate does not support
* {@code LazyToOne(NO_PROXY)} for polymorphic associations,
* and instead falls back to using a proxy!</strong>
* *
* @author Emmanuel Bernard * @author Emmanuel Bernard
*/ */

4
hibernate-core/src/main/java/org/hibernate/annotations/LazyToOneOption.java
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@ -52,6 +52,10 @@ public enum LazyToOneOption {
* </ul> * </ul>
* Bytecode enhancement is required. If the class is not * Bytecode enhancement is required. If the class is not
* enhanced, this option is equivalent to {@link #PROXY}. * enhanced, this option is equivalent to {@link #PROXY}.
* <p>
* <strong>Currently, Hibernate does not support this setting
* for polymorphic associations, and instead falls back to
* {@link #PROXY}!</strong>
*/ */
NO_PROXY NO_PROXY
} }