Package org.optaplanner.examples.vehiclerouting.domain

Examples of org.optaplanner.examples.vehiclerouting.domain.VehicleRoutingSolution

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        //Avoid image caching
        resp.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
        resp.setHeader("Pragma", "no-cache");
        resp.setHeader("Expires", "0");
        HttpSession session = req.getSession();
        VehicleRoutingSolution shownSolution = (VehicleRoutingSolution) session.getAttribute(VrpSessionAttributeName.SHOWN_SOLUTION);
        Dimension size = new Dimension(800, 600);
        BufferedImage image;
        if (shownSolution == null) {
            schedulePainter.createCanvas(size.width, size.height);
        } else {
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                "org/optaplanner/examples/vehiclerouting/solver/vehicleRoutingSolverConfig.xml");
        Solver solver = solverFactory.buildSolver();
        session.setAttribute(VrpSessionAttributeName.SOLVER, solver);

        URL unsolvedSolutionURL = getClass().getResource("/org/optaplanner/webexamples/vehiclerouting/A-n33-k6.vrp");
        VehicleRoutingSolution unsolvedSolution = (VehicleRoutingSolution) new VehicleRoutingImporter(true)
                .readSolution(unsolvedSolutionURL);
        session.setAttribute(VrpSessionAttributeName.SHOWN_SOLUTION, unsolvedSolution);
    }
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        session.setAttribute(VrpSessionAttributeName.SHOWN_SOLUTION, unsolvedSolution);
    }

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

        solver.addEventListener(new SolverEventListener<VehicleRoutingSolution>() {
            public void bestSolutionChanged(BestSolutionChangedEvent<VehicleRoutingSolution> event) {
                VehicleRoutingSolution bestSolution = event.getNewBestSolution();
                session.setAttribute(VrpSessionAttributeName.SHOWN_SOLUTION, bestSolution);
            }
        });
        solvingExecutor.submit(new Runnable() {
            public void run() {
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        private List<Depot> depotList;

        public Solution readSolution() throws IOException {
            String firstLine = readStringValue();
            if (firstLine.matches("\\s*NAME\\s*:.*")) {
                solution = new VehicleRoutingSolution();
                solution.setId(0L);
                solution.setName(removePrefixSuffixFromLine(firstLine, "\\s*NAME\\s*:", ""));
                readVrpWebFormat();
            } else if (splitBySpacesOrTabs(firstLine).length == 3) {
                solution = new VehicleRoutingSolution();
                solution.setId(0L);
                solution.setName(FilenameUtils.getBaseName(inputFile.getName()));
                String[] tokens = splitBySpacesOrTabs(firstLine, 3);
                customerListSize = Integer.parseInt(tokens[0]);
                vehicleListSize = Integer.parseInt(tokens[1]);
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        solutionPainter = new VehicleRoutingSolutionPainter();
        addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                // TODO Not thread-safe during solving
                VehicleRoutingSolution solution = VehicleRoutingWorldPanel.this.vehicleRoutingPanel.getVehicleRoutingSolution();
                if (solution != null) {
                    resetPanel(solution);
                }
            }
        });
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    public VehicleRoutingSolution getVehicleRoutingSolution() {
        return (VehicleRoutingSolution) solutionBusiness.getSolution();
    }

    public void resetPanel(Solution solutionObject) {
        VehicleRoutingSolution solution = (VehicleRoutingSolution) solutionObject;
        vehicleRoutingWorldPanel.resetPanel(solution);
        resetNextLocationId();
    }
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            files[i] = file;
        }
        for (File varFile : files) {
            logger.info("  Results for {}:", varFile.getName());
            // Intentionally create a new instance instead of reusing the older one.
            VehicleRoutingSolution variablesSolution = (VehicleRoutingSolution) vehicleRoutingDao.readSolution(varFile);
            for (File inputFile : files) {
                HardSoftScore score;
                if (inputFile == varFile) {
                    score = variablesSolution.getScore();
                } else {
                    VehicleRoutingSolution inputSolution = (VehicleRoutingSolution) vehicleRoutingDao.readSolution(inputFile);
                    applyVariables(inputSolution, variablesSolution);
                    score = inputSolution.getScore();
                }
                logger.info("    {} (according to {})", score.getSoftScore(), inputFile.getName());
            }
        }
    }
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        nextLocationId = highestLocationId + 1L;
    }

    @Override
    public void updatePanel(Solution solutionObject) {
        VehicleRoutingSolution solution = (VehicleRoutingSolution) solutionObject;
        vehicleRoutingWorldPanel.updatePanel(solution);
    }
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        newLocation.setLongitude(longitude);
        newLocation.setLatitude(latitude);
        logger.info("Scheduling insertion of newLocation ({}).", newLocation);
        doProblemFactChange(new ProblemFactChange() {
            public void doChange(ScoreDirector scoreDirector) {
                VehicleRoutingSolution solution = (VehicleRoutingSolution) scoreDirector.getWorkingSolution();
                scoreDirector.beforeProblemFactAdded(newLocation);
                solution.getLocationList().add(newLocation);
                scoreDirector.afterProblemFactAdded(newLocation);
                Customer newCustomer = createCustomer(solution, newLocation);
                scoreDirector.beforeEntityAdded(newCustomer);
                solution.getCustomerList().add(newCustomer);
                scoreDirector.afterEntityAdded(newCustomer);
            }
        });
    }
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Related Classes of org.optaplanner.examples.vehiclerouting.domain.VehicleRoutingSolution

  • org.optaplanner.examples.vehiclerouting.persistence.util.VehicleRoutingDistanceTypeComparison
  • org.optaplanner.examples.vehiclerouting.persistence.VehicleRoutingImporter$VehicleRoutingInputBuilder
  • org.optaplanner.examples.vehiclerouting.swingui.VehicleRoutingPanel
  • org.optaplanner.examples.vehiclerouting.swingui.VehicleRoutingWorldPanel
  • org.optaplanner.webexamples.vehiclerouting.VrpShowScheduleServlet
  • org.optaplanner.webexamples.vehiclerouting.VrpWebAction
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