commitToParent() makes object persistence state committed, produces exception
when using object in parent context (ROP)
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Key: CAY-1183
URL: https://issues.apache.org/cayenne/browse/CAY-1183
Project: Cayenne
Issue Type: Bug
Components: Cayenne Core Library
Affects Versions: 3.0M5
Environment: ROP (maybe also 2t cayenne, I have not tried)
Reporter: Marcin Skladaniec
Priority: Critical
This is a bit of pseudocode showing the problem
Artist artist = parentContext.perfrormQuery(new
SelectQuery(Artist.class)).get(0);
CayenneContext childContext = parentContext.createChildContext();
Painting painting = childContext.newObject(Painting.class);
painting.setArtist(artist);
painting.setBlah...
childContext.commitToParent();
for(Painting p : artist.getPaintings())
logger.debug("painting persistence state :
"+PersistenceState.persistenceStateName(p.getPersistenceState())); //all
objects are in state COMMITTED
this causes no problems so far, but if one now decides to
p.getSomeRelatiohship();
an exception will be raised, because the relationship has not been faulted yet:
[java] Caused by: java.lang.Exception: [v.3.0-SNAPSHOT ${project.build.date}
${project.build.time}] Can't build a query for relationship 'someRelationship'
for temporary id: <ObjectId:Painting, TEMP:00000160F3600029>
[java] at
org.apache.cayenne.remote.service.BaseRemoteService.processMessage(BaseRemoteService.java:160)
... 25 more
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