Runtime relationships & client

From: Kevin Menard (kmenar..ervprise.com)
Date: Wed Nov 07 2007 - 23:56:27 EST

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    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.createTo
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.checkDescriptorIniti
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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