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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 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.nurserostering.domain;

import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.List;

import org.optaplanner.examples.common.domain.AbstractPersistable;

import com.thoughtworks.xstream.annotations.XStreamAlias;

@XStreamAlias("ShiftDate")
public class ShiftDate extends AbstractPersistable implements Comparable {

    private static final DateTimeFormatter LABEL_FORMATTER = DateTimeFormatter.ofPattern("E d MMM");

    private int dayIndex; // TODO check if still needed/faster now that we use LocalDate instead of java.util.Date
    private LocalDate date;

    private List shiftList;

    public int getDayIndex() {
        return dayIndex;
    }

    public void setDayIndex(int dayIndex) {
        this.dayIndex = dayIndex;
    }

    public LocalDate getDate() {
        return date;
    }

    public void setDate(LocalDate date) {
        this.date = date;
    }

    public DayOfWeek getDayOfWeek() {
        return date.getDayOfWeek();
    }

    public List getShiftList() {
        return shiftList;
    }

    public void setShiftList(List shiftList) {
        this.shiftList = shiftList;
    }

    public int getWeekendSundayIndex() {
        switch (date.getDayOfWeek()) {
            case MONDAY:
                return dayIndex - 1;
            case TUESDAY:
                return dayIndex - 2;
            case WEDNESDAY:
                return dayIndex - 3;
            case THURSDAY:
                return dayIndex + 3;
            case FRIDAY:
                return dayIndex + 2;
            case SATURDAY:
                return dayIndex + 1;
            case SUNDAY:
                return dayIndex;
            default:
                throw new IllegalArgumentException("The dayOfWeek (" + date.getDayOfWeek() + ") is not valid.");
        }
    }

    public String getLabel() {
        return date.format(LABEL_FORMATTER);
    }

    @Override
    public String toString() {
        return date.format(DateTimeFormatter.ISO_DATE);
    }

    @Override
    public int compareTo(ShiftDate o) {
        return this.getDate().compareTo(o.getDate());
    }
}