UniqueIDGenerator.java

  1. /*
  2.  * Copyright (c) 2002-2022, City of Paris
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  *  1. Redistributions of source code must retain the above copyright notice
  10.  *     and the following disclaimer.
  11.  *
  12.  *  2. Redistributions in binary form must reproduce the above copyright notice
  13.  *     and the following disclaimer in the documentation and/or other materials
  14.  *     provided with the distribution.
  15.  *
  16.  *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
  17.  *     contributors may be used to endorse or promote products derived from
  18.  *     this software without specific prior written permission.
  19.  *
  20.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21.  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23.  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
  24.  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25.  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26.  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27.  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28.  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29.  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30.  * POSSIBILITY OF SUCH DAMAGE.
  31.  *
  32.  * License 1.0
  33.  */
  34. package fr.paris.lutece.util;

  35. /**
  36.  * This class provide unique Id
  37.  *
  38.  */
  39. public final class UniqueIDGenerator
  40. {
  41.     private static long _nId = 1L;

  42.     /** Private constructor */
  43.     private UniqueIDGenerator( )
  44.     {
  45.     }

  46.     /**
  47.      * Return a new unique Id as long
  48.      *
  49.      * @return new unique Id
  50.      */
  51.     public static long getNewIdAsLong( )
  52.     {
  53.         return _nId++;
  54.     }

  55.     /**
  56.      * Return a new unique Id as string
  57.      *
  58.      * @return new unique Id
  59.      */
  60.     public static String getNewId( )
  61.     {
  62.         return String.valueOf( _nId++ ) + "-";
  63.     }
  64. }