org.drools.planner.examples.parentalbenefit.domain.Month.java Source code

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Here is the source code for org.drools.planner.examples.parentalbenefit.domain.Month.java

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/*
 * Copyright (c) 2011 Mattias Nilsson Grip <mattias at mhome.se>
 * 
 * This file is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * GNU General Public License is available at <http ://www.gnu.org/licenses/>.
 */

package org.drools.planner.examples.parentalbenefit.domain;

import org.apache.commons.lang.builder.CompareToBuilder;
import org.drools.planner.examples.common.domain.AbstractPersistable;

import com.thoughtworks.xstream.annotations.XStreamAlias;

@XStreamAlias("Month")
@SuppressWarnings("serial")
public class Month extends AbstractPersistable implements Comparable<Month> {

    private int monthIndex;

    public int getMonthIndex() {
        return monthIndex;
    }

    public void setMonthIndex(int monthIndex) {
        this.monthIndex = monthIndex;
    }

    public int getYear() {
        return monthIndex / 100;
    }

    public int getMonthOfYear() {
        return monthIndex % 100;
    }

    public String getMonthString() {
        switch (getMonthOfYear()) {
        case 1:
            return "JAN";
        case 2:
            return "FEB";
        case 3:
            return "MAR";
        case 4:
            return "APR";
        case 5:
            return "MAY";
        case 6:
            return "JUN";
        case 7:
            return "JUL";
        case 8:
            return "AUG";
        case 9:
            return "SEP";
        case 10:
            return "OCT";
        case 11:
            return "NOV";
        case 12:
            return "DEC";
        }
        throw new RuntimeException("Shall never happen...");
    }

    public int getNumberOfDays() {
        switch (getMonthOfYear()) {
        case 1:
            return 31;
        case 2:
            return 28;
        case 3:
            return 31;
        case 4:
            return 30;
        case 5:
            return 31;
        case 6:
            return 30;
        case 7:
            return 31;
        case 8:
            return 31;
        case 9:
            return 30;
        case 10:
            return 31;
        case 11:
            return 30;
        case 12:
            return 31;
        }
        throw new RuntimeException("Shall never happen...");
    }

    public int compareTo(Month other) {
        return new CompareToBuilder().append(monthIndex, other.monthIndex).toComparison();
    }

    @Override
    public String toString() {
        return monthIndex + "(" + getNumberOfDays() + " days)";
    }

}