[
Date Prev][
Date Next][
Thread Prev][
Thread Next][
Date Index][
Thread Index]
[
List Home]
|
Re: [eclipselink-dev] Bug 241765 - JPA 2.0 Derived identities
|
Hello Pinaki,
The version of EclipseLink you are using is very old and is not JPA 2.0
compatible. You will need to upgrade to EclipseLink 2.0
--Gordon
Pinaki Poddar wrote:
>
> Hi,
> While the error message is fairly clear why it thinks the mapping
> definitions are wrong, here is the JPA 2.0 spec (sec 2.4.1.1:
> Specification of Derived Identities)
> "If the dependent entity uses an id class to represent its primary key,
> one of the two following rules must
> be observed:"
> // lines ommitted
> "If an Id attribute in the entity is a many-to-one or one-to-one
> relationship to a parent
> entity, the corresponding attribute in the id class must be of the same
> Java type as the
> id class or embedded id of the parent entity (if the parent entity has a
> composite primary
> key) or the type of the Id attribute of the parent entity (if the parent
> entity has a
> simple primary key)."
>
>
> My reading is LineItem (child) having a @Id @ManyToOne PurchaseOrder and
> LineItem using @IdClass(LineItemId.class) fit into the above spec
> scenario.
>
> Regards --
>
> Pinaki
>
>
> Pinaki Poddar wrote:
>>
>> Hi,
>> A typical Order-LineItem definition where LineItem uses compound,
>> derived identity.
>> Is this mapping supported in 1.1.0.r3634 or any later available versions?
>>
>> The mapping fails with following error message (detailed stack trace at
>> the end)
>>
>> [java] Caused by: Exception [EclipseLink-7149] (Eclipse Persistence
>> Services - 1.1.0.r3634):
>> org.eclipse.persistence.exceptions.ValidationException
>> [java] Exception Description: The composite primary key attribute
>> [order] of type [class domain.PurchaseOrder] on entity class [class
>> domain.LineItem] should be of the same type as defined on its primary key
>> class [domain.LineItemId]. That is, it should be of type [long].
>>
>>
>> Here are the entity definitions:
>>
>> A "parent" entity with a simple identity of a long field
>> -------------------------------------------------------------
>> @Entity
>> public class PurchaseOrder implements Serializable {
>> @Id
>> private long id;
>> }
>> -------------------------------------------------------------
>> A "child" entity that
>> -- uses a separate Id class
>> -- uses a compound identity
>> -- derives part of its identity from "parent"
>> -------------------------------------------------------------
>> @Entity
>> @IdClass(LineItemId.class)
>> public class LineItem implements Serializable {
>> @Id
>> @ManyToOne
>> private PurchaseOrder order; // field name must match the field name
>> in LineItem.LineItemId
>>
>> @Id
>> @OrderColumn
>> @Column(name="IDX") // index is keyword
>> private int index; // field name must match the field name in
>> LineItem.LineItemId
>> ---------------------------------------------------------------
>> And the separate Id class
>> ---------------------------------------------------------------
>> public class LineItemId implements Serializable {
>> long order;
>> int index;
>>
>> The runtime fails with the following error:
>>
>>
>> [java] Caused by: Exception [EclipseLink-7149] (Eclipse Persistence
>> Services - 1.1.0.r3634):
>> org.eclipse.persistence.exceptions.ValidationException
>> [java] Exception Description: The composite primary key attribute
>> [order] of type [class domain.PurchaseOrder] on entity class [class
>> domain.LineItem] should be of the same type as defined on its primary key
>> class [domain.LineItemId]. That is, it should be of type [long].
>> [java] at
>> org.eclipse.persistence.exceptions.ValidationException.invalidCompositePKAttribute(ValidationException.java:1082)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor.validatePKClassId(MetadataDescriptor.java:1438)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.IdAccessor.process(IdAccessor.java:65)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor.processAccessors(MetadataDescriptor.java:1082)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor.processAccessorsClassAccessor.java:636)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.processAccessors(EntityAccessor.java:611)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.process(EntityAccessor.java:530)
>> [java] at
>> org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processORMMetadata(MetadataProcessor.java:446)
>> [java] at
>> org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:303)
>> [java] at
>> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:838)
>>
>>
>>
>>
>>
>>
>>
>> christopher delahunt wrote:
>>>
>>> Bug 241765 - JPA 2.0 Derived identities
>>> Checked into main.
>>> https://bugs.eclipse.org/bugs/show_bug.cgi?id=241765
>>> reviewed by Gordon and Guy
>>> _______________________________________________
>>> eclipselink-dev mailing list
>>> eclipselink-dev@xxxxxxxxxxx
>>> https://dev.eclipse.org/mailman/listinfo/eclipselink-dev
>>>
>>>
>>
>>
>
>
--
View this message in context: http://old.nabble.com/Bug-241765---JPA-2.0-Derived-identities-tp21810451p27408118.html
Sent from the EclipseLink - Dev mailing list archive at Nabble.com.
