NPE when indexing nested entities
---------------------------------
Key: QI-61
URL: http://issues.ops4j.org/jira/browse/QI-61
Project: Qi4j
Issue Type: Bug
Components: Indexing
Affects Versions: 0.2
Reporter: Richard Wallace
Assignee: Rickard Öberg
Attachments: association-model.diff
Indexing an Entity like the following
public interface ItemStyleEntity extends ItemStyle, StandardEntity {
interface IterationEntity extends Iteration, StandardEntity {}
}
results in a NPE
Caused by: java.lang.NullPointerException
at
org.qi4j.entity.index.rdf.RdfEntityIndexerMixin.indexEntityState(RdfEntityIndexerMixin.java:167)
at
org.qi4j.entity.index.rdf.RdfEntityIndexerMixin.index(RdfEntityIndexerMixin.java:78)
at org.qi4j.entity.index.rdf.RdfIndexerExporterComposite.index(Unknown
Source)
at
org.qi4j.spi.query.IndexingSideEffect.prepare(IndexingSideEffect.java:47)
It looks like this is because the entityState uses
ItemStyleEntity&IterationEntity for the association name whereas the
CompositeBinding is using ItemStyleEntity$IterationEntity.
The problem seems to be that when the entityState is being constructed it uses
the AbstractPropertyInstance.getQualifiedName() method which replaces '$' with
'&'. But when AssocationModel is built the AssociationModel.getQualifiedName()
method doesn't replace the '$' with the '&'.
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