using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;





namespace ServerCore;

public class InstantIdGeneratorWith32Bit
{
    private UInt32 m_index = 0;
    public InstantIdGeneratorWith32Bit()
    {
    }

    public UInt32 nextId()
    {
        Interlocked.Increment(ref m_index);

        if(m_index == UInt32.MaxValue)
        {
            throw new OverflowException("UInt32.MaxValue has been reached, at InstantIdGeneratorWith32Bit.nextId() !!!");
        }

        return m_index;
    }

}//InstantIdGeneratorWith32Bit

public class InstantIdGeneratorWith64Bit
{
    private UInt64 m_index = 0;
    public InstantIdGeneratorWith64Bit()
    {
    }

    public UInt64 nextId()
    {
        Interlocked.Increment(ref m_index);

        if (m_index >= UInt64.MaxValue)
        {
            throw new OverflowException("UInt64.MaxValue has been reached, at InstantIdGeneratorWith64Bit.nextId() !!!");
        }

        return m_index;
    }

}//InstantIdGeneratorWith64Bit