UniqueGroupNameGenerator.java

package com.epam.wilma.service.configuration.stub.helper.common;
/*==========================================================================
 Copyright 2013-2017 EPAM Systems

 This file is part of Wilma.

 Wilma 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.

 Wilma 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.

 You should have received a copy of the GNU General Public License
 along with Wilma.  If not, see <http://www.gnu.org/licenses/>.
 ===========================================================================*/

import java.util.concurrent.atomic.AtomicLong;

/**
 * Class that ensure unique generation of a long value.
 *
 * @author Tamas_Kohegyi
 */

public final class UniqueGroupNameGenerator {
    private static AtomicLong id = new AtomicLong();

    private UniqueGroupNameGenerator() {
        //nothing to do
    }

    public static long getNextGeneratedId() {
        return id.getAndIncrement();
    }

    public static String getUniqueGroupName() {
        return new HostName().getHostName() + Thread.currentThread().toString() + "_" + getNextGeneratedId();

    }
}