Package org.optaplanner.core.config.solver

Examples of org.optaplanner.core.config.solver.SolverConfig

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        ConstructionHeuristicType[] types = ConstructionHeuristicType.values();
        List<SolverBenchmarkConfig> solverBenchmarkConfigList = new ArrayList<SolverBenchmarkConfig>(types.length);
        for (ConstructionHeuristicType type : types) {
            SolverBenchmarkConfig solverBenchmarkConfig = new SolverBenchmarkConfig();
            solverBenchmarkConfig.setName(type.name());
            SolverConfig solverConfig = new SolverConfig();
            ConstructionHeuristicPhaseConfig phaseConfig = new ConstructionHeuristicPhaseConfig();
            phaseConfig.setConstructionHeuristicType(type);
            solverConfig.setPhaseConfigList(Collections.<PhaseConfig>singletonList(phaseConfig));
            solverBenchmarkConfig.setSolverConfig(solverConfig);
            solverBenchmarkConfigList.add(solverBenchmarkConfig);
        }
        return solverBenchmarkConfigList;
    }
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        this.constructionHeuristicType = constructionHeuristicType;
    }

    protected SolverFactory buildSolverFactory() {
        SolverFactory solverFactory = SolverFactory.createFromXmlResource(createSolverConfigResource());
        SolverConfig solverConfig = solverFactory.getSolverConfig();
        solverConfig.setTerminationConfig(new TerminationConfig());
        ConstructionHeuristicPhaseConfig constructionHeuristicPhaseConfig = new ConstructionHeuristicPhaseConfig();
        constructionHeuristicPhaseConfig.setConstructionHeuristicType(constructionHeuristicType);
        solverConfig.setPhaseConfigList(Arrays.<PhaseConfig>asList(constructionHeuristicPhaseConfig));
        return solverFactory;
    }
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        planningProblem = buildAndSolve(solverFactory, EnvironmentMode.NON_INTRUSIVE_FULL_ASSERT, planningProblem, 3L);
    }

    protected Solution buildAndSolve(SolverFactory solverFactory, EnvironmentMode environmentMode,
            Solution planningProblem, long maximumMinutesSpent) {
        SolverConfig solverConfig = solverFactory.getSolverConfig();
        solverConfig.getTerminationConfig().setMinutesSpentLimit(maximumMinutesSpent);
        solverConfig.setEnvironmentMode(environmentMode);
        Class<? extends EasyScoreCalculator> easyScoreCalculatorClass = overwritingEasyScoreCalculatorClass();
        if (easyScoreCalculatorClass != null && environmentMode.isAsserted()) {
            ScoreDirectorFactoryConfig assertionScoreDirectorFactoryConfig = new ScoreDirectorFactoryConfig();
            assertionScoreDirectorFactoryConfig.setEasyScoreCalculatorClass(easyScoreCalculatorClass);
            solverConfig.getScoreDirectorFactoryConfig().setAssertionScoreDirectorFactory(
                    assertionScoreDirectorFactoryConfig);
        }
        Solver solver = solverFactory.buildSolver();
        solver.solve(planningProblem);
        Solution bestSolution = solver.getBestSolution();
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        this.exhaustiveSearchType = exhaustiveSearchType;
    }

    protected SolverFactory buildSolverFactory() {
        SolverFactory solverFactory = SolverFactory.createFromXmlResource(createSolverConfigResource());
        SolverConfig solverConfig = solverFactory.getSolverConfig();
        solverConfig.setTerminationConfig(new TerminationConfig());
        ExhaustiveSearchPhaseConfig exhaustiveSearchPhaseConfig = new ExhaustiveSearchPhaseConfig();
        exhaustiveSearchPhaseConfig.setExhaustiveSearchType(exhaustiveSearchType);
        solverConfig.setPhaseConfigList(Arrays.<PhaseConfig>asList(exhaustiveSearchPhaseConfig));
        return solverFactory;
    }
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     * <p/>
     * Not recommended! It is recommended to use {@link #createSolverByXml()} instead.
     * @return never null
     */
    protected Solver createSolverByApi() {
        SolverConfig solverConfig = new SolverConfig();

        solverConfig.setSolutionClass(NQueens.class);
        solverConfig.setEntityClassList(Collections.<Class<?>>singletonList(Queen.class));

        ScoreDirectorFactoryConfig scoreDirectorFactoryConfig = new ScoreDirectorFactoryConfig();
        scoreDirectorFactoryConfig.setScoreDefinitionType(ScoreDefinitionType.SIMPLE);
        scoreDirectorFactoryConfig.setScoreDrlList(
                Arrays.asList("org/optaplanner/examples/nqueens/solver/nQueensScoreRules.drl"));
        solverConfig.setScoreDirectorFactoryConfig(scoreDirectorFactoryConfig);

        TerminationConfig terminationConfig = new TerminationConfig();
        terminationConfig.setBestScoreLimit("0");
        solverConfig.setTerminationConfig(terminationConfig);
        List<PhaseConfig> phaseConfigList = new ArrayList<PhaseConfig>();

        ConstructionHeuristicPhaseConfig constructionHeuristicPhaseConfig = new ConstructionHeuristicPhaseConfig();
        constructionHeuristicPhaseConfig.setConstructionHeuristicType(
                ConstructionHeuristicType.FIRST_FIT_DECREASING);
        phaseConfigList.add(constructionHeuristicPhaseConfig);

        LocalSearchPhaseConfig localSearchPhaseConfig = new LocalSearchPhaseConfig();
        ChangeMoveSelectorConfig changeMoveSelectorConfig = new ChangeMoveSelectorConfig();
        changeMoveSelectorConfig.setSelectionOrder(SelectionOrder.ORIGINAL);
        localSearchPhaseConfig.setMoveSelectorConfig(changeMoveSelectorConfig);
        AcceptorConfig acceptorConfig = new AcceptorConfig();
        acceptorConfig.setEntityTabuSize(5);
        localSearchPhaseConfig.setAcceptorConfig(acceptorConfig);
        phaseConfigList.add(localSearchPhaseConfig);

        solverConfig.setPhaseConfigList(phaseConfigList);
        return solverConfig.buildSolver();
    }
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Related Classes of org.optaplanner.core.config.solver.SolverConfig

  • org.optaplanner.benchmark.config.blueprint.SolverBenchmarkBluePrintConfig
  • org.optaplanner.core.config.heuristic.policy.HeuristicConfigPolicy
  • org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig
  • org.optaplanner.core.config.solver.random.RandomType
  • org.optaplanner.core.config.solver.termination.TerminationConfig
  • org.optaplanner.core.impl.domain.entity.descriptor.EntityDescriptor
  • org.optaplanner.core.impl.domain.policy.DescriptorPolicy
  • org.optaplanner.core.impl.domain.solution.descriptor.SolutionDescriptor
  • org.optaplanner.core.impl.phase.Phase
  • org.optaplanner.core.impl.score.director.InnerScoreDirectorFactory
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