Sorry, perhaps I’m out of the loop, but I don’t understand why you need the SPIN reasoner to fix issues in the Lucene Sail.
It seems to me that, at most, both SPIN reasoner and Lucene Sail need some shared functionality. If that is the case, then perhaps that functionality can be isolated and moved to a different, shared, module?
Jeen
Sorry I re-sent e-mail but forgot to add title. In a particular test ( ElasticsearchFunctionSailSPARQLTest) I created sail hierarchies:
MemeoryStore -> LuceneSail -> SpinSail -> SailRepository I have an error message; org.eclipse.rdf4j.sail.lucene. LuceneSailConnection cannot be cast to org.eclipse.rdf4j.sail.inferencer.InferencerConnection
My question is: can I wrap LuceneSailConnection to make it InferencerConnection ?
I really need both (LuceneSail and SpinSail engines) because of Mark Hale's class org.eclipse.rdf4j.sail.lucene.QueryTupleFunction which will replace old Lucene search approach.
full stacktrace is:
java.lang.ClassCastException: org.eclipse.rdf4j.sail.lucene.LuceneSailConnection cannot be cast to org.eclipse.rdf4j.sail.inferencer.InferencerConnection
at org.eclipse.rdf4j.sail.spin.SpinSail.getConnection(SpinSail.java:142)
at org.eclipse.rdf4j.sail.spin.SpinSail.initialize(SpinSail.java:155)
at org.eclipse.rdf4j.repository.sail.SailRepository.initializeInternal(SailRepository.java:151)
at org.eclipse.rdf4j.repository.base.AbstractRepository.initialize(AbstractRepository.java:31)
at org.eclipse.rdf4j.sail.lucene.AbstractFunctionLuceneSailSPARQLTest.setUp(AbstractFunctionLuceneSailSPARQLTest.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
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