Entity retrieval ClassCastException
-----------------------------------
Key: QI-56
URL: http://issues.ops4j.org/jira/browse/QI-56
Project: Qi4j
Issue Type: Bug
Components: Persistence
Reporter: Peter Neubauer
Assignee: Rickard Öberg
I am getting the following output from a test trying to work it's way backward
in the entity chain:
Output:
( Position:latitude = "13.2"^^Double )
Query: PREFIX ns2: <urn:qi4j:property:com.civilone.domain.Position:> PREFIX
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX ns0:
<urn:qi4j:org.qi4j.composite.Composite:> PREFIX rdfs:
<http://www.w3.org/2000/01/rdf-schema#> PREFIX ns1:
<urn:qi4j:property:org.qi4j.entity.Identity:> SELECT DISTINCT ?entityType
?identity WHERE {?entity rdf:type <urn:qi4j:com.civilone.domain.Position>.
?entity ns0:entityType ?entityType. ?entity ns1:identity ?identity. ?entity
ns2:latitude ?v0. FILTER (?v0 = "13.2")}
[main] INFO org.openrdf.query.parser.QueryParserRegistry - Registered service
class org.openrdf.query.parser.serql.SeRQLParserFactory
[main] INFO org.openrdf.query.parser.QueryParserRegistry - Registered service
class org.openrdf.query.parser.sparql.SPARQLParserFactory
com.civilone.domain.PositionEntity -> 3b48e657-def4-4d26-ad6b-e424da177055-1
Result: 13.2
( Issue:position = "3b48e657-def4-4d26-ad6b-e424da177055-1"^^Position )
Query: PREFIX ns2: <urn:qi4j:property:com.civilone.domain.Issue:> PREFIX rdf:
<http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX ns0:
<urn:qi4j:org.qi4j.composite.Composite:> PREFIX rdfs:
<http://www.w3.org/2000/01/rdf-schema#> PREFIX ns1:
<urn:qi4j:property:org.qi4j.entity.Identity:> SELECT DISTINCT ?entityType
?identity WHERE {?entity rdf:type <urn:qi4j:com.civilone.domain.Issue>. ?entity
ns0:entityType ?entityType. ?entity ns1:identity ?identity. ?entity
ns2:position ?v0. FILTER (?v0 = "3b48e657-def4-4d26-ad6b-e424da177055-1")}
com.civilone.domain.IssueComposite -> 3b48e657-def4-4d26-ad6b-e424da177055-0
And the stack trace:
java.lang.ClassCastException: org.qi4j.spi.entity.QualifiedIdentity
at
com.civilone.domain.IssueTest.ifPositionOnIssueSetThenPropertyShouldBeThere(IssueTest.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
at
org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
at
org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
at
org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
at
org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
at
org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
at
org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
at
org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
at
org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
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