It's not related to the disposable OA idea, I guess.
There is one remaining reference to changing the pojo in an OA which is from
the PersistenceSession implementation, when calling
`objectAdapterContext.remapAsPersistent(adapter, persistentOid, this);` in ...
```java
/**
* Called either when an entity is initially persisted, or when an entity
is updated;
* fires the appropriate lifecycle callback
*
* <p>
* The implementation therefore uses Isis' {@link
org.apache.isis.core.metamodel.adapter.oid.Oid#isTransient() oid}
* to determine which callback to fire.
*/
@Override
public void
enlistCreatedAndRemapIfRequiredThenInvokeIsisInvokePersistingOrUpdatedCallback(final
Persistable pojo) {
final ObjectAdapter adapter = adapterFor(pojo);
final RootOid rootOid = (RootOid) adapter.getOid(); // ok since this is
for a Persistable
if (rootOid.isTransient()) {
// persisting
final RootOid persistentOid =
objectAdapterContext.createPersistentOrViewModelOid(pojo);
objectAdapterContext.remapAsPersistent(adapter, persistentOid,
this);
CallbackFacet.Util.callCallback(adapter,
PersistedCallbackFacet.class);
postLifecycleEventIfRequired(adapter,
PersistedLifecycleEventFacet.class);
changedObjectsServiceInternal.enlistCreated(adapter);
} else {
// updating;
// the callback and transaction.enlist are done in the preDirty
callback
// (can't be done here, as the enlist requires to capture the
'before' values)
CallbackFacet.Util.callCallback(adapter,
UpdatedCallbackFacet.class);
postLifecycleEventIfRequired(adapter,
UpdatedLifecycleEventFacet.class);
}
Version versionIfAny = getVersionIfAny(pojo);
adapter.setVersion(versionIfAny);
}
```
[ Full content available at: https://github.com/apache/isis/pull/121 ]
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