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skoptelov
 Post subject: How to map <composite-element> with EJB3 annotations?
PostPosted: Thu Aug 25, 2005 12:03 am 
Newbie

Joined: Thu Aug 05, 2004 1:54 am
Posts: 10
Location: Novosibirsk, Russia
I need to map a Set of components in EJB3.
I tried to make my component @Embeddable and declare the collection @OneToMany as follows:

Code:
@Embeddable( access=AccessType.FIELD )
public class ServiceSubscription
{
    @ManyToOne
    @JoinColumn( name="prod_id" )
    private Service m_service;
   
    @Column( name="expire_date" )
    private Date m_expirationDate;

    public ServiceSubscription()
    {
        super();
    }
}

@Entity
@Table( name="client" )
@Cache( usage=CacheConcurrencyStrategy.TRANSACTIONAL )
public class User implements Comparable
{
   ... not related code skipped ....
   
    @Embedded
    @OneToMany
    @JoinColumn( name="client_id" )
    public Set<ServiceSubscription> getSubscriptions()
    {
        return m_subscriptions;
    }
}


It produces the follwing exception:
Code:
10:44:12,732 WARN  [ServiceController] Problem creating service jboss.j2ee:service=EJB3,module=fis-data.jar.ejb3
org.hibernate.MappingException: Association references unmapped class: com.fis.domain.ServiceSubscription
        at org.hibernate.cfg.annotations.CollectionBinder.bindCollectionSecondPass(CollectionBinder.java:421)
        at org.hibernate.cfg.annotations.CollectionBinder$2.secondPass(CollectionBinder.java:349)
        at org.hibernate.cfg.HbmBinder$SecondPass.doSecondPass(HbmBinder.java:2544)
        at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:860)
        at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:199)
        at org.hibernate.cfg.Configuration.buildMappings(Configuration.java:825)
        at org.hibernate.ejb.HibernatePersistence.handleCallbacks(HibernatePersistence.java:185)
        at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:176)
        at org.jboss.ejb3.entity.EntityManagerFactoryLoader.loadFactory(EntityManagerFactoryLoader.java:44)
        at org.jboss.ejb3.entity.EntityManagerFactoryLoader.loadFactory(EntityManagerFactoryLoader.java:31)
        at org.jboss.ejb3.Ejb3Module.initializeManagedEntityManagerFactory(Ejb3Module.java:290)
        at org.jboss.ejb3.Ejb3Module.createService(Ejb3Module.java:141)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalCreate(ServiceMBeanSupport.java:233)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:215)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:950)
        at $Proxy0.create(Unknown Source)
        at org.jboss.system.ServiceController.create(ServiceController.java:342)
        at org.jboss.system.ServiceController.create(ServiceController.java:281)
        at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy10.create(Unknown Source)
        at org.jboss.ejb3.EJB3Deployer.create(EJB3Deployer.java:157)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
        at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy11.create(Unknown Source)
        at org.jboss.deployment.MainDeployer.create(MainDeployer.java:919)
        at org.jboss.deployment.MainDeployer.create(MainDeployer.java:909)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:773)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:737)
        at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy6.deploy(Unknown Source)
        at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:325)
        at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:483)
        at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:204)
        at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:215)
        at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:194)


How to do it properly?
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emmanuel
 Post subject:
PostPosted: Thu Aug 25, 2005 7:47 am 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
Funny, I've finished implementing that 2 hours before your post.

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skoptelov
 Post subject:
PostPosted: Thu Aug 25, 2005 8:06 am 
Newbie

Joined: Thu Aug 05, 2004 1:54 am
Posts: 10
Location: Novosibirsk, Russia
I'm using version that comes with JBoss 4.0.3RC1.
Could you please give me an advice on how should I do it now, before your changes go in production? Should I remap association table as entity and add id there?
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emmanuel
 Post subject:
PostPosted: Thu Aug 25, 2005 8:11 am 
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Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
yes

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o_sam_o
 Post subject:
PostPosted: Mon Sep 19, 2005 8:13 pm 
Newbie

Joined: Mon Sep 19, 2005 8:11 pm
Posts: 5
Remapping is not really appropriate for me, when will the change be available ?
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emmanuel
 Post subject:
PostPosted: Wed Sep 21, 2005 5:24 am 
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Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
having an entity instead of a composite element makes no difference in DB nor in OO, only the mapping change.
Anyway, this is doable with the latest release.

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Rhodan
 Post subject:
PostPosted: Wed Sep 21, 2005 7:40 am 
Beginner
Beginner

Joined: Mon Sep 12, 2005 3:27 am
Posts: 48
Is there any special @Annotation for this composite-element or how can this be done ?
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emmanuel
 Post subject:
PostPosted: Wed Sep 21, 2005 12:03 pm 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
Everything is in the reference doc :-)

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ibonilla
 Post subject: EJB3 Ternary associations?
PostPosted: Fri Sep 30, 2005 4:31 pm 
Newbie

Joined: Mon Mar 07, 2005 6:55 pm
Posts: 2
:( I'm having trouble finding an example of this in the reference docs of Hibernate Annotations.

¿Does anybody has a link with an example of a ternary associacion mapping using @annotations?

Thanks in advance.
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emmanuel
 Post subject:
PostPosted: Wed Oct 05, 2005 7:53 am 
Hibernate Team
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Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
It is said that many to one on a embedded object are not yet supported. So, this is currently impossible

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profet
 Post subject:
PostPosted: Thu Jun 15, 2006 4:37 pm 
Newbie

Joined: Mon Mar 13, 2006 7:07 pm
Posts: 8
is this now supported? and if so... how?
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profet
 Post subject:
PostPosted: Thu Jun 15, 2006 4:57 pm 
Newbie

Joined: Mon Mar 13, 2006 7:07 pm
Posts: 8
got it...

use

@CollectionOfElements

rather than

@OneToMany
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