[rules-users] Internal type used together with function throws ClassCastException

[Edson Tirelli]

   Good! Mark did a good job at least once then! ;)

   []s
   Edson

2009/3/16 Michal Bali <michalbali at gmail.com>

> Hi Edson,
>
> I used the last successful build from your CI which is form 9. March. I've
> tried it on the trunk and it works fine. Thank you!
>
> Best Regards,
> Michal
>
>
> 2009/3/16 Edson Tirelli <tirelli at post.com>
>
>
>>    Michal,
>>
>>    Are you using trunk or CR1?
>>
>>    I found a bug last Saturday that I believe is the exact same one you
>> found here. Mark fixed it on trunk. So, if you are not using trunk, can you
>> do it and let us know if it is working for you?
>>
>>    Thanks,
>>       Edson
>>
>> 2009/3/16 Michal Bali <michalbali at gmail.com>
>>
>>>  Hi,
>>>
>>> Internal type together with a function in one drl file cause
>>> ClassCastException when setting properties of a new instance of this type.
>>>
>>> java.lang.ClassCastException: org.drools.generatedbeans.Cheese cannot be
>>> cast to org.drools.generatedbeans.Cheese
>>>     at
>>> org.drools.base.org.drools.generatedbeans.Cheese6778431$setType.setValue(Unknown
>>> Source)
>>>     at
>>> org.drools.base.ClassFieldWriter.setValue(ClassFieldWriter.java:195)
>>>     at
>>> org.drools.base.ClassFieldAccessor.setValue(ClassFieldAccessor.java:319)
>>>     at org.drools.factmodel.ClassDefinition.set(ClassDefinition.java:207)
>>>     at
>>> org.drools.integrationtests.MiscTest.testGeneratedBeansWithFunction(MiscTest.java:1072)
>>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>     at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>>>     at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>     at java.lang.reflect.Method.invoke(Method.java:616)
>>>     at junit.framework.TestCase.runTest(TestCase.java:154)
>>>     at junit.framework.TestCase.runBare(TestCase.java:127)
>>>     at junit.framework.TestResult$1.protect(TestResult.java:106)
>>>     at junit.framework.TestResult.runProtected(TestResult.java:124)
>>>     at junit.framework.TestResult.run(TestResult.java:109)
>>>     at junit.framework.TestCase.run(TestCase.java:118)
>>>     at
>>> org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
>>>     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)
>>>
>>>
>>> Test case to reproduce:
>>> test_GeneratedBeansWithFunction.drl:
>>> -------------------------------
>>> package org.drools.generatedbeans;
>>>
>>> function void someFunction(String arg) {
>>>     System.out.println("hello");
>>> }
>>>
>>> declare Cheese
>>>     type: String
>>> end
>>> -------------------------------
>>>
>>> test method:
>>> public void testGeneratedBeansWithFunction() throws Exception {
>>>         final KnowledgeBuilder kbuilder =
>>> KnowledgeBuilderFactory.newKnowledgeBuilder();
>>>         kbuilder.add( ResourceFactory.newInputStreamResource(
>>> getClass().getResourceAsStream( "test_GeneratedBeansWithFunction.drl" ) ),
>>>                       ResourceType.DRL );
>>>         assertFalse( kbuilder.getErrors().toString(),
>>>                      kbuilder.hasErrors() );
>>>
>>>         KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
>>>         kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
>>>
>>>         // Retrieve the generated fact type
>>>         FactType cheeseFact = kbase.getFactType(
>>> "org.drools.generatedbeans",
>>>                                                  "Cheese" );
>>>
>>>         // Create a new Fact instance
>>>         Object cheese = cheeseFact.newInstance();
>>>
>>>         cheeseFact.set( cheese,
>>>                         "type",
>>>                         "stilton" );
>>>     }
>>>
>>> The last line throws the ClassCastException. If we remove the function
>>> from the drl file all works fine.
>>> Best Regards,
>>> Michal
>>>
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>
>>>
>>
>>
>> --
>>  Edson Tirelli
>>  JBoss Drools Core Development
>>  JBoss, a division of Red Hat @ www.jboss.com
>>
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>>
>>
>
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>


-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss, a division of Red Hat @ www.jboss.com
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