Package org.drools.planner.core

Examples of org.drools.planner.core.Solver

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    public void benchmark(XStream xStream) { // TODO refactor out xstream
        benchmarkingStarted();
        // LinkedHashMap because order of unsolvedSolutionFile should be respected in output
        Map<File, SolverStatistic> unsolvedSolutionFileToStatisticMap = new LinkedHashMap<File, SolverStatistic>();
        for (SolverBenchmark solverBenchmark : solverBenchmarkList) {
            Solver solver = solverBenchmark.getLocalSearchSolverConfig().buildSolver();
            for (SolverBenchmarkResult result : solverBenchmark.getSolverBenchmarkResultList()) {
                File unsolvedSolutionFile = result.getUnsolvedSolutionFile();
                Solution unsolvedSolution = readUnsolvedSolution(xStream, unsolvedSolutionFile);
                solver.setStartingSolution(unsolvedSolution);
                if (solverStatisticType != SolverStatisticType.NONE) {
                    SolverStatistic statistic = unsolvedSolutionFileToStatisticMap.get(unsolvedSolutionFile);
                    if (statistic == null) {
                        statistic = solverStatisticType.create();
                        unsolvedSolutionFileToStatisticMap.put(unsolvedSolutionFile, statistic);
                    }
                    statistic.addListener(solver, solverBenchmark.getName());
                }
                solver.solve();
                result.setTimeMillisSpend(solver.getTimeMillisSpend());
                Solution solvedSolution = solver.getBestSolution();
                result.setScore(solvedSolution.getScore());
                if (solverStatisticType != SolverStatisticType.NONE) {
                    SolverStatistic statistic = unsolvedSolutionFileToStatisticMap.get(unsolvedSolutionFile);
                    statistic.removeListener(solver, solverBenchmark.getName());
                }
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    public void benchmark(XStream xStream) { // TODO refactor out xstream
        benchmarkingStarted();
        // LinkedHashMap because order of unsolvedSolutionFile should be respected in output
        Map<File, SolverStatistic> unsolvedSolutionFileToStatisticMap = new LinkedHashMap<File, SolverStatistic>();
        for (SolverBenchmark solverBenchmark : solverBenchmarkList) {
            Solver solver = solverBenchmark.getLocalSearchSolverConfig().buildSolver();
            for (SolverBenchmarkResult result : solverBenchmark.getSolverBenchmarkResultList()) {
                File unsolvedSolutionFile = result.getUnsolvedSolutionFile();
                Solution unsolvedSolution = readUnsolvedSolution(xStream, unsolvedSolutionFile);
                solver.setStartingSolution(unsolvedSolution);
                if (solverStatisticType != SolverStatisticType.NONE) {
                    SolverStatistic statistic = unsolvedSolutionFileToStatisticMap.get(unsolvedSolutionFile);
                    if (statistic == null) {
                        statistic = solverStatisticType.create();
                        unsolvedSolutionFileToStatisticMap.put(unsolvedSolutionFile, statistic);
                    }
                    statistic.addListener(solver, solverBenchmark.getName());
                }
                solver.solve();
                result.setTimeMillisSpend(solver.getTimeMillisSpend());
                Solution solvedSolution = solver.getBestSolution();
                result.setScore(solvedSolution.getScore());
                if (solverStatisticType != SolverStatisticType.NONE) {
                    SolverStatistic statistic = unsolvedSolutionFileToStatisticMap.get(unsolvedSolutionFile);
                    statistic.removeListener(solver, solverBenchmark.getName());
                }
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        return solverFactory;
    }

    private Solver solve(XmlSolverFactory solverFactory, File unsolvedDataFile) {
        Solution planningProblem = solutionDao.readSolution(unsolvedDataFile);
        Solver solver = solverFactory.buildSolver();
        solver.setPlanningProblem(planningProblem);
        solver.solve();
        return solver;
    }
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        runSpeedTest(unsolvedDataFile, scoreAttainedString, EnvironmentMode.PRODUCTION);
    }

    protected void runSpeedTest(File unsolvedDataFile, String scoreAttainedString, EnvironmentMode environmentMode) {
        XmlSolverFactory solverFactory = buildSolverFactory(scoreAttainedString, environmentMode);
        Solver solver = solve(solverFactory, unsolvedDataFile);
        assertBestSolution(solver, scoreAttainedString);
    }
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        runSpeedTest(unsolvedDataFile, scoreAttainedString, EnvironmentMode.PRODUCTION);
    }

    protected void runSpeedTest(File unsolvedDataFile, String scoreAttainedString, EnvironmentMode environmentMode) {
        XmlSolverConfigurer configurer = buildConfigurer(scoreAttainedString, environmentMode);
        Solver solver = solve(configurer, unsolvedDataFile);
        assertBestSolution(solver, scoreAttainedString);
    }
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    }

    private Solver solve(XmlSolverConfigurer configurer, File unsolvedDataFile) {
        SolutionDao solutionDao = createSolutionDao();
        Solution startingSolution = solutionDao.readSolution(unsolvedDataFile);
        Solver solver = configurer.buildSolver();
        solver.setStartingSolution(startingSolution);
        solver.solve();
        return solver;
    }
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        runSpeedTest(unsolvedDataFile, scoreAttainedString, EnvironmentMode.PRODUCTION);
    }

    protected void runSpeedTest(File unsolvedDataFile, String scoreAttainedString, EnvironmentMode environmentMode) {
        XmlSolverConfigurer configurer = buildConfigurer(scoreAttainedString, environmentMode);
        Solver solver = solve(configurer, unsolvedDataFile);
        assertBestSolution(solver, scoreAttainedString);
    }
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    }

    private Solver solve(XmlSolverConfigurer configurer, File unsolvedDataFile) {
        SolutionDao solutionDao = createSolutionDao();
        Solution planningProblem = solutionDao.readSolution(unsolvedDataFile);
        Solver solver = configurer.buildSolver();
        solver.setPlanningProblem(planningProblem);
        solver.solve();
        return solver;
    }
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    public void benchmark() {
        for (PlannerBenchmarkResult result : plannerBenchmarkResultList) {
            SolverBenchmark solverBenchmark = result.getSolverBenchmark();
            // Intentionally create a fresh solver for every result to reset Random, tabu lists, ...
            Solver solver = solverBenchmark.getSolverConfig().buildSolver();
            for (ProblemStatistic statistic : problemStatisticList) {
                statistic.addListener(solver, solverBenchmark.getName());
            }

            solver.setPlanningProblem(readPlanningProblem());
            solver.solve();
            Solution outputSolution = solver.getBestSolution();

            result.setTimeMillisSpend(solver.getTimeMillisSpend());
            DefaultSolverScope solverScope = ((DefaultSolver) solver).getSolverScope();
            result.setCalculateCount(solverScope.getCalculateCount());
            result.setScore(outputSolution.getScore());
            SolutionDescriptor solutionDescriptor = ((DefaultSolver) solver).getSolutionDescriptor();
            result.setPlanningEntityCount(solutionDescriptor.getPlanningEntityCount(outputSolution));
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            TerminationConfig originalTerminationConfig = solverBenchmark.getSolverConfig().getTerminationConfig();
            TerminationConfig tmpTerminationConfig = originalTerminationConfig.clone();
            tmpTerminationConfig.shortenMaximumTimeMillisSpendTotal(timeLeft);
            solverBenchmark.getSolverConfig().setTerminationConfig(tmpTerminationConfig);

            Solver solver = solverBenchmark.getSolverConfig().buildSolver();
            solver.setPlanningProblem(readPlanningProblem());
            solver.solve();

            solverBenchmark.getSolverConfig().setTerminationConfig(originalTerminationConfig);
            long timeSpend = System.currentTimeMillis() - startingTimeMillis;
            timeLeft = warmUpTimeMillisSpend - timeSpend;
            if (timeLeft <= 0L) {
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Related Classes of org.drools.planner.core.Solver

  • org.drools.planner.benchmark.core.ProblemBenchmark
  • org.drools.planner.benchmark.core.SingleBenchmark
  • org.drools.planner.benchmark.SolverBenchmarkSuite
  • org.drools.planner.examples.cloudbalancing.app.CloudBalancingHelloWorld
  • org.drools.planner.examples.common.app.SolverPerformanceTest
  • org.drools.planner.examples.nqueens.app.NQueensHelloWorld
  • org.drools.planner.webexamples.vehiclerouting.VrpWebAction
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