[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1180) java.lang.ClassCastException: org.drools.reteoo.RightInputAdapterNode

[Edson Tirelli (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1180?page=all ]

Edson Tirelli closed JBRULES-1180.
----------------------------------

    Resolution: Done

Fixed.

> java.lang.ClassCastException: org.drools.reteoo.RightInputAdapterNode
> ---------------------------------------------------------------------
>
>                 Key: JBRULES-1180
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1180
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 4.0.1
>         Environment: JDK 1.5, Mac OS X 10.4
>            Reporter: Markus Reitz
>         Assigned To: Edson Tirelli
>             Fix For: 4.0.2
>
>
> Using the rules
>   package test
>   import java.awt.*;
>   rule "A"
>     when
>       exists(x : Dimension(x_height : height) and
>              y : Dimension(this!=x, height!=x_height))
>            
>     then
>       System.out.println("A");
>   end
>   rule "B"
>     when
>       not(exists(x : Dimension(x_height : height) and
>                  y : Dimension(this!=x, height!=x_height)))
>            
>     then
>       System.out.println("B");
>   end
> as input for the following program (java DroolsTest <name of rule file>)
>   import org.drools.*;
>   import org.drools.compiler.*;
>   import org.drools.rule.Package;
>   import java.io.*;
>   import java.awt.*;
>   public class DroolsTest {
>     private RuleBase        rules;
>     private StatefulSession memory;
>     public DroolsTest(File file) throws Exception {
>       rules =RuleBaseFactory.newRuleBase();
>       memory=rules.newStatefulSession();
>     
>       rules.addPackage(loadPackage(file));
>     }
>     protected Package loadPackage(File file) throws IOException {
>       FileInputStream stream=null;
>     
>       try {
>         stream=new FileInputStream(file);
>     
>         return(loadPackage(stream));
>       }
>       finally {
>         if (stream!=null)
>           stream.close();
>       }
>     }
>     protected Package loadPackage(InputStream stream) throws IOException {
>       try {
>         PackageBuilder builder=new PackageBuilder();
>         builder.addPackageFromDrl(new InputStreamReader(stream));
>         return(builder.getPackage());
>       }
>       catch(Exception ex) {
>         throw new IOException();
>       }
>     }
>   
>     public StatefulSession getSession() {
>       return(memory);
>     }
>   
>     public static void main(String ... args) {
>       try {
>         DroolsTest test=new DroolsTest(new File(args[0]));
>       
>         System.out.println("Inserting ...");
>       
>         test.getSession().insert(new Dimension(1,2));
>         test.getSession().insert(new Dimension(2,3));
>         test.getSession().insert(new Dimension(4,2));
>         System.out.println("Done.");
>       
>         System.out.println("Firing rules ...");
>       
>         test.getSession().fireAllRules();
>       
>         System.out.println("Done.");
>       }
>       catch (Exception ex) {
>         ex.printStackTrace();
>       }
>     }
>   }
> leads to
>   java.lang.ClassCastException: org.drools.reteoo.RightInputAdapterNode
>       at org.drools.reteoo.CompositeTupleSinkAdapter.addTupleSink(CompositeTupleSinkAdapter.java:17)
>       at org.drools.reteoo.TupleSource.addTupleSink(TupleSource.java:79)
>       at org.drools.reteoo.RightInputAdapterNode.attach(RightInputAdapterNode.java:127)
>       at org.drools.reteoo.RightInputAdapterNode.attach(RightInputAdapterNode.java:131)
>       at org.drools.reteoo.builder.BuildUtils.attachNode(BuildUtils.java:132)
>       at org.drools.reteoo.builder.GroupElementBuilder$ExistsBuilder.build(GroupElementBuilder.java:290)
>       at org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:69)
>       at org.drools.reteoo.builder.GroupElementBuilder$NotBuilder.build(GroupElementBuilder.java:207)
>       at org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:69)
>       at org.drools.reteoo.builder.GroupElementBuilder$AndBuilder.build(GroupElementBuilder.java:111)
>       at org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:69)
>       at org.drools.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:136)
>       at org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:109)
>       at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:116)
>       at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:268)
>       at org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:337)
>       at DroolsTest.<init>(Unknown Source)
>       at DroolsTest.main(Unknown Source)

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