[jboss-jira] [JBoss JIRA] Updated: (JBRULES-1403) Control-Flow Statement into "action nodes" (RULEFLOW)

Massimiliano Magistri (JIRA) jira-events at lists.jboss.org
Thu Jan 3 10:48:58 EST 2008 

     [ http://jira.jboss.com/jira/browse/JBRULES-1403?page=all ]

Massimiliano Magistri updated JBRULES-1403:
-------------------------------------------

    JBoss Forum Reference: http://article.gmane.org/gmane.comp.java.drools.user/10233  (was: http://jira.jboss.org/jira/browse/JBRULES-1402)
              Description: 
I tried to add the following (stupid) statement into the action node "textual editor":

if (true) int i=0;

and I got back an exception as follows:

org.mvel.PropertyAccessException: unable to resolve property: if ( true )
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:291)
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:107)
	at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java:185)
	at org.mvel.MVELRuntime.execute(MVELRuntime.java:88)
	at org.mvel.CompiledExpression.getValue(CompiledExpression.java:108)
	at org.mvel.MVEL.executeExpression(MVEL.java:230)
	at org.drools.ruleflow.instance.impl.ActionNodeInstanceImpl.trigger(ActionNodeInstanceImpl.java:93)
	at org.drools.ruleflow.instance.impl.StartNodeInstanceImpl.triggerCompleted(StartNodeInstanceImpl.java:38)
	at org.drools.ruleflow.instance.impl.StartNodeInstanceImpl.trigger(StartNodeInstanceImpl.java:30)
	at org.drools.ruleflow.instance.impl.RuleFlowProcessInstanceImpl.start(RuleFlowProcessInstanceImpl.java:172)
	at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1409)
	at mytest.TestRF.testScritturaContractRF(TestRF.java:95)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	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 junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	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)
Caused by: java.lang.NullPointerException
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:519)
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:257)
	... 29 more

Is it possible to add "flow control" statements into the action ruleflow nodes?

  was:
I tried to add the following (stupid) statement into the action node "textual editor":

if (true) int i=0;

and I got back an exception as follows:

org.mvel.PropertyAccessException: unable to resolve property: if ( true )
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:291)
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:107)
	at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java:185)
	at org.mvel.MVELRuntime.execute(MVELRuntime.java:88)
	at org.mvel.CompiledExpression.getValue(CompiledExpression.java:108)
	at org.mvel.MVEL.executeExpression(MVEL.java:230)
	at org.drools.ruleflow.instance.impl.ActionNodeInstanceImpl.trigger(ActionNodeInstanceImpl.java:93)
	at org.drools.ruleflow.instance.impl.StartNodeInstanceImpl.triggerCompleted(StartNodeInstanceImpl.java:38)
	at org.drools.ruleflow.instance.impl.StartNodeInstanceImpl.trigger(StartNodeInstanceImpl.java:30)
	at org.drools.ruleflow.instance.impl.RuleFlowProcessInstanceImpl.start(RuleFlowProcessInstanceImpl.java:172)
	at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1409)
	at mytest.TestRF.testScritturaContractRF(TestRF.java:95)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	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 junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	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)
Caused by: java.lang.NullPointerException
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:519)
	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:257)
	... 29 more



> Control-Flow Statement into "action nodes" (RULEFLOW)
> -----------------------------------------------------
>
>                 Key: JBRULES-1403
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1403
>             Project: JBoss Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Eclipse IDE
>    Affects Versions: 4.0.3
>         Environment: Eclipse Europa 3.3.1.1
>            Reporter: Massimiliano Magistri
>
> I tried to add the following (stupid) statement into the action node "textual editor":
> if (true) int i=0;
> and I got back an exception as follows:
> org.mvel.PropertyAccessException: unable to resolve property: if ( true )
> 	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:291)
> 	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:107)
> 	at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java:185)
> 	at org.mvel.MVELRuntime.execute(MVELRuntime.java:88)
> 	at org.mvel.CompiledExpression.getValue(CompiledExpression.java:108)
> 	at org.mvel.MVEL.executeExpression(MVEL.java:230)
> 	at org.drools.ruleflow.instance.impl.ActionNodeInstanceImpl.trigger(ActionNodeInstanceImpl.java:93)
> 	at org.drools.ruleflow.instance.impl.StartNodeInstanceImpl.triggerCompleted(StartNodeInstanceImpl.java:38)
> 	at org.drools.ruleflow.instance.impl.StartNodeInstanceImpl.trigger(StartNodeInstanceImpl.java:30)
> 	at org.drools.ruleflow.instance.impl.RuleFlowProcessInstanceImpl.start(RuleFlowProcessInstanceImpl.java:172)
> 	at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1409)
> 	at mytest.TestRF.testScritturaContractRF(TestRF.java:95)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	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 junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	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)
> Caused by: java.lang.NullPointerException
> 	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:519)
> 	at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:257)
> 	... 29 more
> Is it possible to add "flow control" statements into the action ruleflow nodes?

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