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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 2010 JBoss Inc
 *
 * 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.pas.persistence;

import java.io.IOException;
import java.util.Collections;
import java.util.Comparator;

import org.apache.commons.lang.builder.CompareToBuilder;
import org.optaplanner.core.api.domain.solution.Solution;
import org.optaplanner.examples.common.persistence.AbstractTxtSolutionExporter;
import org.optaplanner.examples.pas.domain.BedDesignation;
import org.optaplanner.examples.pas.domain.Patient;
import org.optaplanner.examples.pas.domain.PatientAdmissionSchedule;

public class PatientAdmissionScheduleExporter extends AbstractTxtSolutionExporter {

    public static void main(String[] args) {
        new PatientAdmissionScheduleExporter().convertAll();
    }

    public PatientAdmissionScheduleExporter() {
        super(new PatientAdmissionScheduleDao());
    }

    public TxtOutputBuilder createTxtOutputBuilder() {
        return new PatientAdmissionScheduleOutputBuilder();
    }

    public static class PatientAdmissionScheduleOutputBuilder extends TxtOutputBuilder {

        private PatientAdmissionSchedule patientAdmissionSchedule;

        public void setSolution(Solution solution) {
            patientAdmissionSchedule = (PatientAdmissionSchedule) solution;
        }

        public void writeSolution() throws IOException {
            Collections.sort(patientAdmissionSchedule.getBedDesignationList(), new Comparator() {
                public int compare(BedDesignation a, BedDesignation b) {
                    return new CompareToBuilder()
                            .append(a.getAdmissionPart(), b.getAdmissionPart())
                            .append(a.getBed(), b.getBed())
                            .append(a.getId(), b.getId())
                            .toComparison();
                }
            });
            for (Patient patient : patientAdmissionSchedule.getPatientList()) {
                bufferedWriter.write(Long.toString(patient.getId()));
                for (BedDesignation bedDesignation : patientAdmissionSchedule.getBedDesignationList()) {
                    if (bedDesignation.getPatient().equals(patient)) {
                        for (int i = 0; i < bedDesignation.getAdmissionPart().getNightCount(); i++) {
                            bufferedWriter.write(" " + Long.toString(bedDesignation.getBed().getId()));
                        }
                    }
                }
                bufferedWriter.write("\n");
            }
        }
    }

}