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Re: [Teneo] java.util.GregorianCalendar cannot be cast to java.util.Date [message #663579 is a reply to message #663555] |
Tue, 05 April 2011 16:47 |
Martin Taal Messages: 5468 Registered: July 2009 |
Senior Member |
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Hi Fer,
To store a gregorian calendar you have to make use of a specific user type. Teneo automatically does this for xsd
date/datetime. But if your model is not derived from a xsd then Teneo can't discover this, so you explicitly have to set
the user type.
You can use the user types provided by Teneo:
org.eclipse.emf.teneo.hibernate.mapping.XSDDate
org.eclipse.emf.teneo.hibernate.mapping.XSDDateTime
You can set the user type as an annotation (in the EDataType for example):
@TypeDef(name="GregDate", typeClass="org.eclipse.emf.teneo.hibernate.mapping.XSDDate")
gr. Martin
On 04/05/2011 05:33 PM, Fer wrote:
> Dear all,
>
> I would like to persist java.util.GregorianCalendar values in my database using Teneo and Hibernate. Is it possible?
>
> I am getting the following error:
>
> java.lang.ClassCastException: java.util.GregorianCalendar cannot be cast to java.util.Date
> at
> org.hibernate.type.descriptor.java.JdbcTimestampTypeDescript or$TimestampMutabilityPlan.deepCopyNotNull(JdbcTimestampType Descriptor.java:46)
>
> at org.hibernate.type.descriptor.java.MutableMutabilityPlan.dee pCopy(MutableMutabilityPlan.java:58)
> at org.hibernate.type.AbstractStandardBasicType.deepCopy(Abstra ctStandardBasicType.java:313)
> at org.hibernate.type.AbstractStandardBasicType.deepCopy(Abstra ctStandardBasicType.java:309)
> at org.hibernate.type.TypeHelper.deepCopy(TypeHelper.java:68)
> at org.hibernate.event.def.AbstractSaveEventListener.performSav eOrReplicate(AbstractSaveEventListener.java:302)
> at org.hibernate.event.def.AbstractSaveEventListener.performSav e(AbstractSaveEventListener.java:203)
> at org.hibernate.event.def.AbstractSaveEventListener.saveWithGe neratedId(AbstractSaveEventListener.java:143)
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.sav eWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener .java:210)
>
> at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.ent ityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
> at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.per formSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:117)
> at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onS aveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
> at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl. java:685)
> at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java :677)
> at org.hibernate.engine.CascadingAction$5.cascade(CascadingActi on.java:252)
> at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:392)
> at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java :335)
> at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:20 4)
> at org.hibernate.engine.Cascade.cascadeCollectionElements(Casca de.java:425)
> at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java: 362)
> at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java :338)
> at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:20 4)
> at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
> at org.hibernate.event.def.AbstractSaveEventListener.cascadeAft erSave(AbstractSaveEventListener.java:475)
> at org.hibernate.event.def.AbstractSaveEventListener.performSav eOrReplicate(AbstractSaveEventListener.java:353)
> at org.hibernate.event.def.AbstractSaveEventListener.performSav e(AbstractSaveEventListener.java:203)
> at org.hibernate.event.def.AbstractSaveEventListener.saveWithGe neratedId(AbstractSaveEventListener.java:143)
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.sav eWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener .java:210)
>
> at org.hibernate.event.def.DefaultSaveEventListener.saveWithGen eratedOrRequestedId(DefaultSaveEventListener.java:56)
> at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.ent ityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
> at org.hibernate.event.def.DefaultSaveEventListener.performSave OrUpdate(DefaultSaveEventListener.java:50)
> at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onS aveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
> at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:713 )
> at org.hibernate.impl.SessionImpl.save(SessionImpl.java:701)
> at org.hibernate.impl.SessionImpl.save(SessionImpl.java:697)
>
>
> Is it necessary to change the following values?
> * PersistenceOptions.DEFAULT_TEMPORAL_VALUE or * PersistenceOptions.USER_XSDDATE_TYPE
> * ...
>
> Thanks in advance,
>
> Fernando
--
With Regards, Martin Taal
Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org
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Re: [Teneo] java.util.GregorianCalendar cannot be cast to java.util.Date [message #663761 is a reply to message #663737] |
Wed, 06 April 2011 12:35 |
Martin Taal Messages: 5468 Registered: July 2009 |
Senior Member |
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Hi Fer,
Ha okay, the XSDDate user type provided by Teneo uses the javax.xml.datatype.XMLGregorianCalendar. So in this case you
need to create your own user type which can handle java.util.GregorianCalendar, you can use the XSDDate user type as an
example for this.
gr. Martin
On 04/06/2011 01:09 PM, Fer wrote:
> Hello Martin,
>
> I have modified my *.persistence.xml file as follows:
>
>
> <eclass name="EngineeringAnnotationItem">
> <property name="issueDate">
> <type type="org.eclipse.emf.teneo.hibernate.mapping.XSDDate"/> </property>
> </eclass>
>
>
> But now I get the following error:
>
> java.lang.ClassCastException: java.util.GregorianCalendar cannot be cast to javax.xml.datatype.XMLGregorianCalendar
>
> What do you think?
>
> Best Regards,
>
> Fernando
>
--
With Regards, Martin Taal
Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org
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