[Hibernate-JIRA] Created: (HHH-7108) @TypeDef doesn't work for enums
by Michael Nascimento Santos (JIRA)
@TypeDef doesn't work for enums
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Key: HHH-7108
URL: https://hibernate.onjira.com/browse/HHH-7108
Project: Hibernate ORM
Issue Type: Bug
Components: core
Affects Versions: 4.1.0
Environment: hibernate-jpa-2.0-api:1.0.1-Final; hibernate-core:4.1.0.Final; hibernate-entitymanager:4.1.0.Final
Reporter: Michael Nascimento Santos
Priority: Critical
@TypeDef is supposed to allow users to define standard types to be used for specific classes. However, due to a bug in implementation, it simply doesn't work for enums.
Enums are implicitly handled by the JPA spec. However, if a @TypeDef is defined for a particular enum, it will never be picked up due to bug in org.hibernate.cfg.annotations.SimpleValueBinder .
This class has a concept of a "explicitType", i.e., a type that was explicitly specified for a property. However, even if @EnumType is not used to annotate a property, method setType(XProperty,XClass) considers the property as annotated with it. Then, when fillSimpleValue() is called as part of second-pass compilation, the ternary in line 344 chooses org.hibernate.type.EnumType instead of the enum FQN, causing any @TypeDef to be ignored.
This behaviour should be fixed by considering a non-annotated enum property as implicitly typed, not explicitly. Then, the resolution order should be changed to explicitType -> returnedClassName -> implicitType. This would preserve default, expected behaviour for regular enums, while allowing @TypeDef to be used for enums as well.
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13 years, 8 months
[Hibernate-JIRA] Created: (HHH-2808) CLONE -Impossible to define caching for a subclass's collection in hibernate.cgf.xml
by Sebastien Blind (JIRA)
CLONE -Impossible to define caching for a subclass's collection in hibernate.cgf.xml
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Key: HHH-2808
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2808
Project: Hibernate3
Issue Type: Bug
Components: caching (L2)
Affects Versions: 3.2.5
Environment: Hibernate 3.2.5
Sybase
Reporter: Sebastien Blind
Basically, hibernate allows to define <cache usage="transactional"/> inside the subclass mapping, i.e.
<subclass name="SubClass" extends="BaseClass" discriminator-value="xxx">
<bag name="subClassLinks" lazy="false" inverse="true" batch-size="100">
<cache usage="transactional" region="xxx"/>
<key column="xxx" not-null="true"/>
<one-to-many class="xxx"/>
</bag>
<join table="xxx">
</join>
</subclass>
but it's not allowed to do the same using <collection-cache collection="subClass.myCollection" region="xxx" usage="transactional"/>.
It throws:
Exception in thread "main" org.hibernate.MappingException: Cannot cache an unknown collection: subClass.myCollection
at org.hibernate.cfg.Configuration.setCollectionCacheConcurrencyStrategy(Configuration.java:1984)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1568)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1534)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1508)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1428)
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13 years, 8 months