Package org.optaplanner.examples.tsp.domain

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

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            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();
                tspPanel.doMove(visit, toStandstill);
                tspPanel.getWorkflowFrame().resetScreen();
            }
        }
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    public SimpleLongScore calculateScore(TravelingSalesmanTour tour) {
        List<Visit> visitList = tour.getVisitList();
        Set<Visit> tailVisitSet = new HashSet<Visit>(visitList);
        long score = 0L;
        for (Visit visit : visitList) {
            Standstill previousStandstill = visit.getPreviousStandstill();
            if (previousStandstill != null) {
                score -= visit.getDistanceFromPreviousStandstill();
                if (previousStandstill instanceof Visit) {
                    tailVisitSet.remove(previousStandstill);
                }
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        public void writeSolution() throws IOException {
            bufferedWriter.write("NAME : " + tour.getName() + "\n");
            bufferedWriter.write("TYPE : TOUR\n");
            bufferedWriter.write("DIMENSION : " + tour.getLocationList().size() + "\n");
            bufferedWriter.write("TOUR_SECTION\n");
            Standstill standstill = tour.getDomicile();
            while (standstill != null) {
                bufferedWriter.write(standstill.getLocation().getId() + "\n");
                standstill = findNextVisit(standstill);
            }
            bufferedWriter.write("EOF\n");
        }
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    public void afterEntityRemoved(Object entity) {
        // Do nothing
    }

    private void insert(Visit visit) {
        Standstill previousStandstill = visit.getPreviousStandstill();
        if (previousStandstill != null) {
            score -= visit.getDistanceFromPreviousStandstill();
            // HACK: This counts too much, but the insert/retracts balance each other out
            score += previousStandstill.getDistanceTo(domicile);
            score -= visit.getDistanceTo(domicile);
        }
    }
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            score -= visit.getDistanceTo(domicile);
        }
    }

    private void retract(Visit visit) {
        Standstill previousStandstill = visit.getPreviousStandstill();
        if (previousStandstill != null) {
            score += visit.getDistanceFromPreviousStandstill();
            // HACK: This counts too much, but the insert/retracts balance each other out
            score -= previousStandstill.getDistanceTo(domicile);
            score += visit.getDistanceTo(domicile);
        }
    }
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Related Classes of org.optaplanner.examples.tsp.domain.Standstill

  • org.optaplanner.examples.tsp.persistence.TspExporter$TspOutputBuilder
  • org.optaplanner.examples.tsp.solver.score.TspEasyScoreCalculator
  • org.optaplanner.examples.tsp.solver.score.TspIncrementalScoreCalculator
  • org.optaplanner.examples.tsp.swingui.TspListPanel$VisitAction
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