TimeGrain.java

/*
 * 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.meetingscheduling.domain;

import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.optaplanner.examples.common.domain.AbstractPersistable;
import org.optaplanner.examples.common.swingui.components.Labeled;

@XStreamAlias("MsTimeGrain")
public class TimeGrain extends AbstractPersistable implements Labeled {

    /**
     * Time granularity is 15 minutes (which is often recommended when dealing with humans for practical purposes).
     */
    public static final int GRAIN_LENGTH_IN_MINUTES = 15;

    private int grainIndex; // unique

    private Day day;
    private int startingMinuteOfDay;

    public int getGrainIndex() {
        return grainIndex;
    }

    public void setGrainIndex(int grainIndex) {
        this.grainIndex = grainIndex;
    }

    public Day getDay() {
        return day;
    }

    public void setDay(Day day) {
        this.day = day;
    }

    public int getStartingMinuteOfDay() {
        return startingMinuteOfDay;
    }

    public void setStartingMinuteOfDay(int startingMinuteOfDay) {
        this.startingMinuteOfDay = startingMinuteOfDay;
    }

    public String getTimeString() {
        int hourOfDay = startingMinuteOfDay / 60;
        int minuteOfHour = startingMinuteOfDay % 60;
        return (hourOfDay < 10 ? "0" : "") + hourOfDay
                + ":" + (minuteOfHour < 10 ? "0" : "") + minuteOfHour;
    }

    public String getDateTimeString() {
        return day.getDateString() + " " + getTimeString();
    }

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

    @Override
    public String toString() {
        return grainIndex + "(" + getDateTimeString() + ")";
    }

}