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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2014, Telestax Inc and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 *
 */
package org.restcomm.connect.commons.util;

import org.restcomm.connect.commons.annotations.concurrency.ThreadSafe;

/**
 * @author [email protected] (Thomas Quintana)
 */
@ThreadSafe
public final class TimeUtils {
    public static final long SECOND_IN_MILLIS = 1000;
    public static final long MINUTE_IN_MILLIS = SECOND_IN_MILLIS * 60;
    public static final long HOURS_IN_MILLIES = MINUTE_IN_MILLIS * 60;

    private TimeUtils() {
        super();
    }

    public static int millisToMinutes(final long milliseconds) {
        final long minute = 60 * 1000;
        final long remainder = milliseconds % minute;
        if (remainder != 0) {
            final long delta = minute - remainder;
            return (int) ((milliseconds + delta) / minute);
        } else {
            return (int) (milliseconds / minute);
        }
    }
}