protected Solver<NQueens> createSolverByApi() {
        SolverFactory<NQueens> solverFactory = SolverFactory.createEmpty();
        SolverConfig solverConfig = solverFactory.getSolverConfig();

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

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

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

        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);
        localSearchPhaseConfig.setAcceptorConfig(new AcceptorConfig().withEntityTabuSize(5));
        phaseConfigList.add(localSearchPhaseConfig);

        solverConfig.setPhaseConfigList(phaseConfigList);
        return solverFactory.buildSolver();
    }
protected Solver<NQueens> createSolverByApi() {
        SolverFactory<NQueens> solverFactory = SolverFactory.createEmpty();
        SolverConfig solverConfig = solverFactory.getSolverConfig();

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

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

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

        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);
        localSearchPhaseConfig.setAcceptorConfig(new AcceptorConfig().withEntityTabuSize(5));
        phaseConfigList.add(localSearchPhaseConfig);

        solverConfig.setPhaseConfigList(phaseConfigList);
        return solverFactory.buildSolver();
    }
protected Solver < NQueens > createSolverByApi ( ) { SolverFactory < NQueens > solverFactory = SolverFactory . createEmpty ( ) ; SolverConfig solverConfig = solverFactory . getSolverConfig ( ) ; solverConfig . setSolutionClass ( NQueens . class ) ; solverConfig . setEntityClassList ( Collections . < Class < ? > > singletonList ( Queen . class ) ) ; ScoreDirectorFactoryConfig scoreDirectorFactoryConfig = new ScoreDirectorFactoryConfig ( ) ; scoreDirectorFactoryConfig . setScoreDrlList ( Arrays . asList ( "org/optaplanner/examples/nqueens/solver/nQueensScoreRules.drl" ) ) ; solverConfig . setScoreDirectorFactoryConfig ( scoreDirectorFactoryConfig ) ; solverConfig . setTerminationConfig ( new TerminationConfig ( ) . withBestScoreLimit ( "0" ) ) ; List < PhaseConfig > phaseConfigList = new ArrayList <> ( ) ; 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 ) ; localSearchPhaseConfig . setAcceptorConfig ( new AcceptorConfig ( ) . withEntityTabuSize ( 5 ) ) ; phaseConfigList . add ( localSearchPhaseConfig ) ; solverConfig . setPhaseConfigList ( phaseConfigList ) ; return solverFactory . buildSolver ( ) ; }
Unused alternative. Abnormal way to create a {@link Solver}.
<p>
Not recommended! It is recommended to use {@link #createSolverByXml()} instead.
@return never null
Unused alternative . Abnormal way to create a {