[rules-users] CustomSolverPhaseCommand throws The entity ... was never added to this ScoreDirector.

[Michiel Vermandel]

Hi,

I am trying to use a CustomSolverPhaseCommand (SolutionInitializer) to analyze what happens if I start with a given configuration.

I get java.lang.IllegalArgumentException: The entity ({T= Inspect B747-XA2.I#0 [1->3] null null}) was never 
added to this ScoreDirector.

If I keep the constructionHeuristic phase before the SolutionInitializer then it works, but if I remove the constructionHeuristic phase and thus start with my SolutionInitializerthen I get the exception.


I reduced my SolutionInitializer to a minmal but the issue remains.
What am I doing wrong?

This is my SolutionInitializer:


package planner.solution;

import org.drools.planner.core.phase.custom.CustomSolverPhaseCommand;
import org.drools.planner.core.score.Score;
import org.drools.planner.core.score.director.ScoreDirector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import planner.app.InspectionSchedule;
import planner.domain.Task;

public class SolutionInitializer implements CustomSolverPhaseCommand {

    private Logger logger = LoggerFactory.getLogger(this.getClass());

    public void changeWorkingSolution(ScoreDirector scoreDirector) {

        InspectionSchedule schedule = (InspectionSchedule) scoreDirector.getWorkingSolution();
        Task task = schedule.getTasks().get(0);
        scoreDirector.beforeVariableChanged(task, "period");
        task.setPeriod(schedule.getPeriods().get(0));
        scoreDirector.afterVariableChanged(task, "period");

        score = scoreDirector.calculateScore();
        logger.debug("Score after custom: " + score);

    }

}

planning configuration:

<?xml version="1.0" encoding="UTF-8"?>
<solver>
    <environmentMode>DEBUG</environmentMode>

    <!-- Domain model configuration -->
    <solutionClass>be.axi.planner.app.InspectionSchedule</solutionClass>
    <planningEntityClass>be.axi.planner.domain.Task</planningEntityClass>

    <!-- Score configuration -->
    <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/inspectionRules.drl</scoreDrl>
    </scoreDirectorFactory>
    
    <customSolverPhase>
        <customSolverPhaseCommandClass>be.axi.planner.solution.SolutionInitializer</customSolverPhaseCommandClass>
    </customSolverPhase>
     
    <localSearch>
        <termination>
            <terminationCompositionStyle>OR</terminationCompositionStyle>
            <maximumSecondsSpend>3600</maximumSecondsSpend>
            <scoreAttained>0hard/0soft</scoreAttained>
        </termination>
        <unionMoveSelector>
            <changeMoveSelector>
                <valueSelector>
                    <planningVariableName>type</planningVariableName>
                </valueSelector>
            </changeMoveSelector>
            <changeMoveSelector>
                <valueSelector>
                    <planningVariableName>spector</planningVariableName>
                </valueSelector>
            </changeMoveSelector>
            <changeMoveSelector>
                <valueSelector>
                    <planningVariableName>period</planningVariableName>
                </valueSelector>
            </changeMoveSelector>
        </unionMoveSelector>

        <acceptor>
          <planningEntityTabuSize>7</planningEntityTabuSize>
        </acceptor>
        <forager>
            <minimalAcceptedSelection>1000</minimalAcceptedSelection>
        </forager>
    </localSearch>
</solver>


Stack trace:


java.lang.IllegalArgumentException: The entity ({T= Inspect B747-XA2.I#0 [1->3] null null}) was never added to this ScoreDirector.
    at org.drools.planner.core.score.director.drools.DroolsScoreDirector.afterVariableChanged(DroolsScoreDirector.java:125)
    at planner.solution.SolutionInitializer.changeWorkingSolution(SolutionInitializer2.java:24)
    at org.drools.planner.core.phase.custom.DefaultCustomSolverPhase.solve(DefaultCustomSolverPhase.java:58)
    at org.drools.planner.core.solver.DefaultSolver.runSolverPhases(DefaultSolver.java:190)
    at org.drools.planner.core.solver.DefaultSolver.solve(DefaultSolver.java:155)
    at planner.app.InspectionSchedule.solve(InspectionSchedule.java:192)
    at planner.testcore.AbstractPlanningTestClass.solve(AbstractPlanningTestClass.java:288)
    at planner.testcore.AbstractPlanningTestClass.solve(AbstractPlanningTestClass.java:298)
    at planner.testcore.AbstractPlanningTestClass.solve(AbstractPlanningTestClass.java:315)
    at planner.TaskGroupingTest.communitySuccess02(TaskGroupingTest.java:289)
    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 org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

Thanks,

Michiel

 
-----------------
http://www.codessentials.com - Your essential software, for free!
Follow us at http://twitter.com/#!/Codessentials
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20130123/20e77520/attachment-0001.html