Package org.drools.planner.core.localsearch

Examples of org.drools.planner.core.localsearch.LocalSearchStepScope

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    public void testPickMoveRandomly() {
        // Setup
        Forager forager = new AcceptedForager(PickEarlyType.NEVER, 1);
        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        forager.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = createStepScope(localSearchSolverPhaseScope);
        forager.beforeDeciding(localSearchStepScope);
        // Pre conditions
        MoveScope a = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-20), 0.0);
        MoveScope b = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), 0.1);
        MoveScope c = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1), 0.0);
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            public double nextDouble() {
                return 0.2;
            }
        });
        solverScope.setBestScore(DefaultSimpleScore.valueOf(-10));
        LocalSearchStepScope lastLocalSearchStepScope = new LocalSearchStepScope(localSearchSolverPhaseScope);
        lastLocalSearchStepScope.setScore(DefaultSimpleScore.valueOf(-100));
        localSearchSolverPhaseScope.setLastCompletedLocalSearchStepScope(lastLocalSearchStepScope);
        return localSearchSolverPhaseScope;
    }
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        localSearchSolverPhaseScope.setLastCompletedLocalSearchStepScope(lastLocalSearchStepScope);
        return localSearchSolverPhaseScope;
    }

    private LocalSearchStepScope createStepScope(LocalSearchSolverPhaseScope localSearchSolverPhaseScope) {
        LocalSearchStepScope localSearchStepScope = new LocalSearchStepScope(localSearchSolverPhaseScope);
        localSearchStepScope.setDeciderScoreComparator(new NaturalScoreComparator());
        return localSearchStepScope;
    }
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        deciderScoreComparatorFactory.setSuccessiveNoHardChangeRepetitionMultiplicand(5.0);
        deciderScoreComparatorFactory.setHardWeightSurvivalRatio(0.9);

        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        deciderScoreComparatorFactory.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = localSearchSolverPhaseScope.getLastCompletedLocalSearchStepScope();
        // Under hardScoreActivationThreshold 1
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertTrue(deciderScoreComparatorFactory.createDeciderScoreComparator() instanceof NaturalScoreComparator);
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-11, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Under hardScoreActivationThreshold 2
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertTrue(deciderScoreComparatorFactory.createDeciderScoreComparator() instanceof NaturalScoreComparator);
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        localSearchSolverPhaseScope.setBestSolutionStepIndex(localSearchStepScope.getStepIndex());
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Above hardScoreActivationThreshold 0
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertTrue(deciderScoreComparatorFactory.createDeciderScoreComparator() instanceof NaturalScoreComparator);
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Above hardScoreActivationThreshold 1
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertEquals(1000, ((FlatteningHardAndSoftScoreComparator)
                deciderScoreComparatorFactory.createDeciderScoreComparator()).getHardWeight());
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Above hardScoreActivationThreshold 2
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertEquals(900, ((FlatteningHardAndSoftScoreComparator)
                deciderScoreComparatorFactory.createDeciderScoreComparator()).getHardWeight());
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Above hardScoreActivationThreshold 3
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertEquals(810, ((FlatteningHardAndSoftScoreComparator)
                deciderScoreComparatorFactory.createDeciderScoreComparator()).getHardWeight());
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Above hardScoreActivationThreshold 4
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertTrue(deciderScoreComparatorFactory.createDeciderScoreComparator() instanceof NaturalScoreComparator);
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
        // Above hardScoreActivationThreshold 5
        localSearchStepScope = nextStepScope(localSearchStepScope);
        deciderScoreComparatorFactory.beforeDeciding(localSearchStepScope);
        assertEquals(1000, ((FlatteningHardAndSoftScoreComparator)
                deciderScoreComparatorFactory.createDeciderScoreComparator()).getHardWeight());
        deciderScoreComparatorFactory.stepDecided(localSearchStepScope);
        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
    }
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        localSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-10, -200));
        deciderScoreComparatorFactory.stepTaken(localSearchStepScope);
    }

    private LocalSearchStepScope nextStepScope(LocalSearchStepScope lastLocalSearchStepScope) {
        LocalSearchStepScope localSearchStepScope = new LocalSearchStepScope(lastLocalSearchStepScope.getLocalSearchSolverPhaseScope());
        lastLocalSearchStepScope.getLocalSearchSolverPhaseScope().setLastCompletedLocalSearchStepScope(lastLocalSearchStepScope);
        localSearchStepScope.setStepIndex(lastLocalSearchStepScope.getStepIndex() + 1);
        return localSearchStepScope;
    }
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        DefaultSolutionDirector solutionDirector = new DefaultSolutionDirector();
        solutionDirector.setScoreDefinition(new HardAndSoftScoreDefinition());
        solverScope.setSolutionDirector(solutionDirector);
        solverScope.setBestScore(DefaultHardAndSoftScore.valueOf(-11, -200));
        localSearchSolverPhaseScope.setBestSolutionStepIndex(1000);
        LocalSearchStepScope lastLocalSearchStepScope = new LocalSearchStepScope(localSearchSolverPhaseScope);
        lastLocalSearchStepScope.setStepIndex(1000);
        lastLocalSearchStepScope.setScore(DefaultHardAndSoftScore.valueOf(-11, -200));
        localSearchSolverPhaseScope.setLastCompletedLocalSearchStepScope(lastLocalSearchStepScope);
        return localSearchSolverPhaseScope;
    }
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    public void testCalculateAcceptChance() {
        // Setup
        Acceptor acceptor = new GreatDelugeAcceptor(1.20, 0.01);
        LocalSearchSolverPhaseScope localSearchSolverPhaseScope = createLocalSearchSolverPhaseScope();
        acceptor.phaseStarted(localSearchSolverPhaseScope);
        LocalSearchStepScope localSearchStepScope = new LocalSearchStepScope(localSearchSolverPhaseScope);
        localSearchStepScope.setStepIndex(0);
        acceptor.beforeDeciding(localSearchStepScope);
        // Pre conditions
        MoveScope a1 = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-2000));
        MoveScope a2 = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1300));
        MoveScope a3 = createMoveScope(localSearchStepScope, DefaultSimpleScore.valueOf(-1200));
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            public double nextDouble() {
                return 0.2;
            }
        });
        solverScope.setBestScore(DefaultSimpleScore.valueOf(-1000));
        LocalSearchStepScope lastLocalSearchStepScope = new LocalSearchStepScope(localSearchSolverPhaseScope);
        lastLocalSearchStepScope.setScore(DefaultSimpleScore.valueOf(-1000));
        localSearchSolverPhaseScope.setLastCompletedLocalSearchStepScope(lastLocalSearchStepScope);
        return localSearchSolverPhaseScope;
    }
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Related Classes of org.drools.planner.core.localsearch.LocalSearchStepScope

  • org.drools.planner.core.bruteforce.DefaultBruteForceSolver
  • org.drools.planner.core.localsearch.decider.acceptor.greatdeluge.GreatDelugeAcceptorTest
  • org.drools.planner.core.localsearch.decider.acceptor.tabu.PlanningEntityTabuAcceptorTest
  • org.drools.planner.core.localsearch.decider.deciderscorecomparator.ShiftingHardPenaltyDeciderScoreComparatorFactoryTest
  • org.drools.planner.core.localsearch.decider.forager.AcceptedForagerTest
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