Package org.optaplanner.examples.tsp.domain

Examples of org.optaplanner.examples.tsp.domain.TravelingSalesmanTour

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        generateVrp(new File(tspImporter.getInputDir(), "usa115475.tsp"), 50000, 500, 1000);
        generateVrp(new File(tspImporter.getInputDir(), "usa115475.tsp"), 100000, 500, 2000);
    }

    public void generateVrp(File tspInputFile, int locationListSize, int vehicleListSize, int capacity) {
        TravelingSalesmanTour tour = (TravelingSalesmanTour) tspImporter.readSolution(tspInputFile);
        String name = tspInputFile.getName().replaceAll("\\d+\\.tsp", "")
                + "-n" + locationListSize + "-k" + vehicleListSize;
        File vrpOutputFile = new File(vehicleRoutingDao.getDataDir(), "import/capacitated/" + name + ".vrp");
        if (!vrpOutputFile.getParentFile().exists()) {
            throw new IllegalArgumentException("The vrpOutputFile parent directory (" + vrpOutputFile.getParentFile()
                    + ") does not exist.");
        }
        BufferedWriter vrpWriter = null;
        try {
            vrpWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(vrpOutputFile), "UTF-8"));
            vrpWriter.write("NAME: " + name + "\n");
            vrpWriter.write("COMMENT: Generated from " + tspInputFile.getName() + "\n");
            vrpWriter.write("TYPE: CVRP\n");
            vrpWriter.write("DIMENSION: " + locationListSize + "\n");
            vrpWriter.write("EDGE_WEIGHT_TYPE: EUC_2D\n");
            vrpWriter.write("CAPACITY: " + capacity + "\n");
            vrpWriter.write("NODE_COORD_SECTION\n");
            List<Location> locationList = tour.getLocationList();
            double selectionDecrement = (double) locationListSize / (double) locationList.size();
            double selection = (double) locationListSize;
            int index = 1;
            for (Location location : locationList) {
                double newSelection = selection - selectionDecrement;
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    public TravelingSalesmanTour getTravelingSalesmanTour() {
        return (TravelingSalesmanTour) solutionBusiness.getSolution();
    }

    public void resetPanel(Solution solution) {
        TravelingSalesmanTour travelingSalesmanTour = (TravelingSalesmanTour) solution;
        tspWorldPanel.resetPanel(travelingSalesmanTour);
        tspListPanel.resetPanel(travelingSalesmanTour);
        resetNextLocationId();
    }
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        nextLocationId = highestLocationId + 1L;
    }

    @Override
    public void updatePanel(Solution solution) {
        TravelingSalesmanTour travelingSalesmanTour = (TravelingSalesmanTour) solution;
        tspWorldPanel.updatePanel(travelingSalesmanTour);
        tspListPanel.updatePanel(travelingSalesmanTour);
    }
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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) {
                TravelingSalesmanTour solution = (TravelingSalesmanTour) scoreDirector.getWorkingSolution();
                scoreDirector.beforeProblemFactAdded(newLocation);
                solution.getLocationList().add(newLocation);
                scoreDirector.afterProblemFactAdded(newLocation);
                Visit newVisit = new Visit();
                newVisit.setId(newLocation.getId());
                newVisit.setLocation(newLocation);
                scoreDirector.beforeEntityAdded(newVisit);
                solution.getVisitList().add(newVisit);
                scoreDirector.afterEntityAdded(newVisit);
            }
        });
    }
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            super(visit.getLocation().toString());
            this.visit = visit;
        }

        public void actionPerformed(ActionEvent e) {
            TravelingSalesmanTour travelingSalesmanTour = tspPanel.getTravelingSalesmanTour();
            JComboBox previousStandstillListField = new JComboBox();
            for (Standstill previousStandstill : travelingSalesmanTour.getVisitList()) {
                previousStandstillListField.addItem(previousStandstill);
            }
            previousStandstillListField.addItem(travelingSalesmanTour.getDomicile());
            previousStandstillListField.setSelectedItem(visit.getPreviousStandstill());
            int result = JOptionPane.showConfirmDialog(TspListPanel.this.getRootPane(), previousStandstillListField,
                    "Visit " + visit.getLocation() + " after", JOptionPane.OK_CANCEL_OPTION);
            if (result == JOptionPane.OK_OPTION) {
                Standstill toStandstill = (Standstill) previousStandstillListField.getSelectedItem();
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        private TravelingSalesmanTour travelingSalesmanTour;

        private int locationListSize;

        public Solution readSolution() throws IOException {
            travelingSalesmanTour = new TravelingSalesmanTour();
            travelingSalesmanTour.setId(0L);
            String firstLine = readStringValue();
            if (firstLine.matches("\\s*NAME\\s*:.*")) {
                travelingSalesmanTour.setName(removePrefixSuffixFromLine(firstLine, "\\s*NAME\\s*:", ""));
                readTspLibFormat();
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        this.tspPanel = tspPanel;
        addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                // TODO Not thread-safe during solving
                TravelingSalesmanTour travelingSalesmanTour = TspWorldPanel.this.tspPanel.getTravelingSalesmanTour();
                if (travelingSalesmanTour != null) {
                    resetPanel(travelingSalesmanTour);
                }
            }
        });
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Related Classes of org.optaplanner.examples.tsp.domain.TravelingSalesmanTour

  • org.optaplanner.examples.tsp.persistence.TspImporter$TspInputBuilder
  • org.optaplanner.examples.tsp.swingui.TspListPanel$VisitAction
  • org.optaplanner.examples.tsp.swingui.TspPanel
  • org.optaplanner.examples.tsp.swingui.TspWorldPanel
  • org.optaplanner.examples.vehiclerouting.persistence.util.VehicleRoutingTspBasedGenerator
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