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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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package org.optaplanner.examples.meetingscheduling.domain;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.Locale;

import org.optaplanner.examples.common.domain.AbstractPersistable;
import org.optaplanner.examples.common.swingui.components.Labeled;

public class Day extends AbstractPersistable
        implements Comparable, Labeled {

    private int dayOfYear;

    public Day() {
    }

    public Day(long id, int dayOfYear) {
        super(id);
        this.dayOfYear = dayOfYear;
    }

    private static final DateTimeFormatter DAY_FORMATTER = DateTimeFormatter.ofPattern("E", Locale.ENGLISH);

    public int getDayOfYear() {
        return dayOfYear;
    }

    public void setDayOfYear(int dayOfYear) {
        this.dayOfYear = dayOfYear;
    }

    public String getDateString() {
        return DAY_FORMATTER.format(toDate());
    }

    public LocalDate toDate() {
        return LocalDate.ofYearDay(LocalDate.now().getYear(), dayOfYear);
    }

    @Override
    public String getLabel() {
        return getDateString();
    }

    @Override
    public String toString() {
        return getDateString();
    }

    @Override
    public boolean equals(Object other) {
        if (this == other)
            return true;
        if (other == null || getClass() != other.getClass())
            return false;

        Day day = (Day) other;

        return dayOfYear == day.dayOfYear;
    }

    @Override
    public int hashCode() {
        return dayOfYear;
    }

    @Override
    public int compareTo(Day o) {
        return Integer.compare(this.dayOfYear, o.dayOfYear);
    }
}