Package org.optaplanner.examples.cloudbalancing.domain

Examples of org.optaplanner.examples.cloudbalancing.domain.CloudBalance

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public class OptaPlannerTest extends CamelTestSupport {

    @Test
    public void testCloudBalance4computers12processes() throws Exception {
        CloudBalancingGenerator generator = new CloudBalancingGenerator(true);
        final CloudBalance planningProblem = generator.createCloudBalance(4, 12);
        assertNull(planningProblem.getScore());
        assertNull(planningProblem.getProcessList().get(0).getComputer());

        CloudBalance bestSolution = (CloudBalance) template.requestBody("direct:in", planningProblem);

        assertEquals(4, bestSolution.getComputerList().size());
        assertEquals(12, bestSolution.getProcessList().size());
        assertNotNull(bestSolution.getScore());
        assertTrue(bestSolution.getScore().isFeasible());
        assertNotNull(bestSolution.getProcessList().get(0).getComputer());
    }
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                "org/optaplanner/examples/cloudbalancing/solver/cloudBalancingSolverConfig.xml");
        Solver solver = solverFactory.buildSolver();
        session.setAttribute(CloudBalancingSessionAttributeName.SOLVER, solver);

        // Load a problem with 40 computers and 120 processes
        CloudBalance unsolvedSolution = new CloudBalancingGenerator(true).createCloudBalance(100, 300);
        session.setAttribute(CloudBalancingSessionAttributeName.SHOWN_SOLUTION, unsolvedSolution);
    }
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        session.setAttribute(CloudBalancingSessionAttributeName.SHOWN_SOLUTION, unsolvedSolution);
    }

    public void solve(final HttpSession session) {
        final Solver solver = (Solver) session.getAttribute(CloudBalancingSessionAttributeName.SOLVER);
        final CloudBalance unsolvedSolution = (CloudBalance) session.getAttribute(CloudBalancingSessionAttributeName.SHOWN_SOLUTION);

        solver.addEventListener(new SolverEventListener<CloudBalance>() {
            public void bestSolutionChanged(BestSolutionChangedEvent<CloudBalance> event) {
                CloudBalance bestSolution = event.getNewBestSolution();
                session.setAttribute(CloudBalancingSessionAttributeName.SHOWN_SOLUTION, bestSolution);
            }
        });
        solvingExecutor.submit(new Runnable() {
            public void run() {
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public class OptaPlannerTest extends CamelTestSupport {

    @Test
    public void testCloudBalance4computers12processes() throws Exception {
        CloudBalancingGenerator generator = new CloudBalancingGenerator(true);
        final CloudBalance planningProblem = generator.createCloudBalance(4, 12);
        assertNull(planningProblem.getScore());
        assertNull(planningProblem.getProcessList().get(0).getComputer());

        CloudBalance bestSolution = (CloudBalance) template.requestBody("direct:in", planningProblem);

        assertEquals(4, bestSolution.getComputerList().size());
        assertEquals(12, bestSolution.getProcessList().size());
        assertNotNull(bestSolution.getScore());
        assertTrue(bestSolution.getScore().isFeasible());
        assertNotNull(bestSolution.getProcessList().get(0).getComputer());
    }
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    private Queue<CloudProcess> notYetAddedProcessQueue = new LinkedList<CloudProcess>();

    @Test(timeout = 600000)
    public void daemon() throws InterruptedException { // In main thread
        Solver solver = buildSolver();
        CloudBalance cloudBalance = buildPlanningProblem();
        SolverThread solverThread = new SolverThread(solver, cloudBalance);
        solverThread.start();
        // Wait for the solver thread to start up
        waitForNextStage();
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        solverFactory.getSolverConfig().setTerminationConfig(terminationConfig);
        return solverFactory.buildSolver();
    }

    private CloudBalance buildPlanningProblem() {
        CloudBalance cloudBalance = new CloudBalancingGenerator().createCloudBalance(4, 12);
        notYetAddedProcessQueue.addAll(cloudBalance.getProcessList());
        cloudBalance.setProcessList(new ArrayList<CloudProcess>(notYetAddedProcessQueue.size()));
        return cloudBalance;
    }
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            this.process = process;
        }

        @Override
        public void doChange(ScoreDirector scoreDirector) { // In solver thread
            CloudBalance cloudBalance = (CloudBalance) scoreDirector.getWorkingSolution();
            scoreDirector.beforeEntityAdded(process);
            cloudBalance.getProcessList().add(process);
            scoreDirector.afterEntityAdded(process);
        }
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    }

    private void writeCloudBalance(int computerListSize, int processListSize) {
        String inputId = determineInputId(computerListSize, processListSize);
        File outputFile = new File(outputDir, inputId + ".xml");
        CloudBalance cloudBalance = createCloudBalance(inputId, computerListSize, processListSize);
        solutionDao.writeSolution(cloudBalance, outputFile);
    }
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                computerListSize, processListSize);
    }

    public CloudBalance createCloudBalance(String inputId, int computerListSize, int processListSize) {
        random = new Random(47);
        CloudBalance cloudBalance = new CloudBalance();
        cloudBalance.setId(0L);
        createComputerList(cloudBalance, computerListSize);
        createProcessList(cloudBalance, processListSize);
        assureComputerCapacityTotalAtLeastProcessRequiredTotal(cloudBalance);
        BigInteger possibleSolutionSize = BigInteger.valueOf(cloudBalance.getComputerList().size()).pow(
                cloudBalance.getProcessList().size());
        logger.info("CloudBalance {} has {} computers and {} processes with a search space of {}.",
                inputId, computerListSize, processListSize,
                AbstractSolutionImporter.getFlooredPossibleSolutionSize(possibleSolutionSize));
        return cloudBalance;
    }
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        SolverFactory solverFactory = SolverFactory.createFromXmlResource(
                "org/optaplanner/examples/cloudbalancing/solver/cloudBalancingSolverConfig.xml");
        Solver solver = solverFactory.buildSolver();

        // Load a problem with 400 computers and 1200 processes
        CloudBalance unsolvedCloudBalance = new CloudBalancingGenerator().createCloudBalance(400, 1200);

        // Solve the problem
        solver.solve(unsolvedCloudBalance);
        CloudBalance solvedCloudBalance = (CloudBalance) solver.getBestSolution();

        // Display the result
        System.out.println("\nSolved cloudBalance with 400 computers and 1200 processes:\n"
                + toDisplayString(solvedCloudBalance));
    }
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Related Classes of org.optaplanner.examples.cloudbalancing.domain.CloudBalance

  • org.apache.camel.component.optaplanner.OptaPlannerTest
  • org.optaplanner.examples.cloudbalancing.app.CloudBalancingDaemonTest
  • org.optaplanner.examples.cloudbalancing.app.CloudBalancingDaemonTest$AddProcessChange
  • org.optaplanner.examples.cloudbalancing.app.CloudBalancingHelloWorld
  • org.optaplanner.examples.cloudbalancing.persistence.CloudBalancingGenerator
  • org.optaplanner.examples.cloudbalancing.swingui.CloudBalancingPanel
  • org.optaplanner.webexamples.cloudbalancing.CloudBalancingWebAction
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