generate a pseudo unique 9 digit number. It uses the System.DateTime.Now.Ticks as the base for its calculations. - CSharp System

CSharp examples for System:Math Number

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Description

generate a pseudo unique 9 digit number. It uses the System.DateTime.Now.Ticks as the base for its calculations.

Demo Code

/* *******************************************************************************
 * Copyright (c) 2005-2012 Zibler S de RL MI.
 * //ww  w.j av a 2 s .co m
 * This file is part of Zibler.
 * 
 * Zibler 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.
 * 
 * Zibler 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 Zibler.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * *******************************************************************************/
using System.Threading;
using System.Text;
using System.Security.Cryptography;
using System;

public class Main{
        /// <summary>
        /// This method will generate a pseudo unique 
        /// 9 digit number. It uses the System.DateTime.Now.Ticks
        /// as the base for its calculations.
        /// </summary>
        /// <remarks>Note that if this function is called twice very fast, in 
        /// such a way that the Ticks value has not changed, then it will return
        /// the same generated number twice. 
        /// 
        /// This function will provide about 963946 different Ids a day. This number could
        /// be less</remarks>
        /// <returns>Pseudo Unique number</returns>
        public static int GeneratePseudoUniqueNumber ()
        {
            string stringNumber = String.Format ("{0:d9}", (DateTime.Now.Ticks / 10) % 1000000000);
            int result = Convert.ToInt32 (stringNumber);
            return result;
        }
}

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