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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.

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/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.optaplanner.examples.coachshuttlegathering.persistence;

import java.io.IOException;

import org.optaplanner.examples.coachshuttlegathering.app.CoachShuttleGatheringApp;
import org.optaplanner.examples.coachshuttlegathering.domain.Bus;
import org.optaplanner.examples.coachshuttlegathering.domain.BusHub;
import org.optaplanner.examples.coachshuttlegathering.domain.BusStop;
import org.optaplanner.examples.coachshuttlegathering.domain.Coach;
import org.optaplanner.examples.coachshuttlegathering.domain.CoachShuttleGatheringSolution;
import org.optaplanner.examples.coachshuttlegathering.domain.StopOrHub;
import org.optaplanner.examples.common.persistence.AbstractTxtSolutionExporter;
import org.optaplanner.examples.common.persistence.SolutionConverter;

public class CoachShuttleGatheringExporter extends AbstractTxtSolutionExporter {

    public static final String OUTPUT_FILE_SUFFIX = "csv";

    public static void main(String[] args) {
        SolutionConverter converter = SolutionConverter.createExportConverter(
                CoachShuttleGatheringApp.DATA_DIR_NAME, CoachShuttleGatheringSolution.class,
                new CoachShuttleGatheringExporter());
        converter.convertAll();
    }

    @Override
    public String getOutputFileSuffix() {
        return OUTPUT_FILE_SUFFIX;
    }

    @Override
    public TxtOutputBuilder createTxtOutputBuilder() {
        return new CoachShuttleGatheringOutputBuilder();
    }

    public static class CoachShuttleGatheringOutputBuilder extends TxtOutputBuilder {

        @Override
        public void writeSolution() throws IOException {
            bufferedWriter.append("VEHICLE_ID;TOUR_POSITION;LOCATION_ID;LOCATION_TYPE\n");
            for (Bus bus : solution.getBusList()) {
                int i = 1;
                for (BusStop stop = bus.getNextStop(); stop != null; stop = stop.getNextStop()) {
                    bufferedWriter.append(bus.getName()).append(";")
                            .append(Integer.toString(i)).append(";")
                            .append(stop.getName()).append(";")
                            .append("BUSSTOP").append("\n");
                    i++;
                }
                if (i > 1 || bus instanceof Coach) {
                    StopOrHub destination = bus.getDestination();
                    bufferedWriter.append(bus.getName()).append(";")
                            .append(Integer.toString(i)).append(";")
                            .append(destination.getName()).append(";")
                            .append(destination instanceof BusHub ? "HUB" : "BUSSTOP").append("\n").append("\n");
                }
            }
        }

    }

}