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From Andrus Adamchik <and...@objectstyle.org>
Subject Re: Runtime relationships & client
Date Sun, 11 Nov 2007 14:44:42 GMT
I don't think that's been addressed yet. I guess adding such fields  
via class generation should be the best solution.

Andrus


On Nov 7, 2007, at 11:56 PM, Kevin Menard wrote:

> Andrus,
>
> Not too long ago you removed the need for explicitly specifying  
> reverse
> relationships in the map.  It looks like these have been replaced with
> runtime relationships that are discovered internally to Cayenne.
>
> How does that work with the client classes, which explicitly  
> declare every
> field?  My guess is that with CDO this isn't an issue because it's  
> just an
> entry in a map.
>
> As part of the ROP work, I'm running into problems with newObject.   
> This
> strikes me as a problem that's likely been solved before.  I've  
> included a
> bit of a stack trace below, but I don't think it will help much.
>
> Thanks,
> Kevin
>
> -- 
>
> Caused by: org.apache.cayenne.CayenneRuntimeException: [v.$ 
> {project.version}
> ${project.build.date} ${project.build.time}] Error instantiating  
> object.
>     at org.apache.cayenne.access.DataContext.newObject 
> (DataContext.java:762)
>     at org.apache.cayenne.access.DataContext.newObject 
> (DataContext.java:740)
>     at
> com.servprise.www.pages.account.AccountCreationPage.pageBeginRender 
> (AccountC
> reationPage.java:44)
>     at
> org.apache.tapestry.AbstractPage.firePageBeginRender 
> (AbstractPage.java:409)
>     at org.apache.tapestry.AbstractPage.renderPage 
> (AbstractPage.java:244)
>     at
> org.apache.tapestry.engine.RequestCycle.renderPage 
> (RequestCycle.java:397)
>     ... 44 more
> Caused by: org.apache.cayenne.CayenneRuntimeException: [v.$ 
> {project.version}
> ${project.build.date} ${project.build.time}] No field  
> 'runtimeRelationship0'
> is defined in class: com.servprise.www.models.Address
>     at
> org.apache.cayenne.reflect.FieldAccessor.prepareField 
> (FieldAccessor.java:110
> )
>     at
> org.apache.cayenne.reflect.FieldAccessor.<init>(FieldAccessor.java:50)
>     at
> org.apache.cayenne.reflect.PersistentDescriptorFactory.createAccessor( 
> Persis
> tentDescriptorFactory.java:221)
>     at
> org.apache.cayenne.reflect.valueholder.ValueHolderDescriptorFactory.cr 
> eateTo
> ManyListProperty(ValueHolderDescriptorFactory.java:69)
>     at
> org.apache.cayenne.reflect.PersistentDescriptorFactory.getDescriptor 
> (Persist
> entDescriptorFactory.java:100)
>     at
> org.apache.cayenne.reflect.PersistentDescriptorFactory.getDescriptor 
> (Persist
> entDescriptorFactory.java:51)
>     at
> org.apache.cayenne.reflect.ClassDescriptorMap.createDescriptor 
> (ClassDescript
> orMap.java:128)
>     at
> org.apache.cayenne.reflect.LazyClassDescriptorDecorator.checkDescripto 
> rIniti
> alized(LazyClassDescriptorDecorator.java:49)
>     at
> org.apache.cayenne.reflect.LazyClassDescriptorDecorator.createObject 
> (LazyCla
> ssDescriptorDecorator.java:63)
>     at org.apache.cayenne.access.DataContext.newObject 
> (DataContext.java:759)
>     ... 49 more
> Caused by: java.lang.NoSuchFieldException: runtimeRelationship0
>     at java.lang.Class.getDeclaredField(Class.java:1854)
>     at
> org.apache.cayenne.reflect.FieldAccessor.lookupFieldInHierarchy 
> (FieldAccesso
> r.java:154)
>     at
> org.apache.cayenne.reflect.FieldAccessor.lookupFieldInHierarchy 
> (FieldAccesso
> r.java:163)
>     at
> org.apache.cayenne.reflect.FieldAccessor.lookupFieldInHierarchy 
> (FieldAccesso
> r.java:163)
>     at
> org.apache.cayenne.reflect.FieldAccessor.prepareField 
> (FieldAccessor.java:101
> )
>
>


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