/// <summary>
///
/// </summary>
/// <returns></returns>
public static DBBookFirst getInstance()
{
if (instance == null)
{
instance = new DBBookFirst();
}
return(instance);
}
static void Main(string[] args)
{
DBBookFirst dbfirst = new DBBookFirst();
DBBookSecond dbsecond = new DBBookSecond();
Pipe1 pipe1 = new Pipe1();
pipe1.LeftSource = dbfirst;
pipe1.RightSource = dbsecond;
(new Thread(dbfirst.Run)).Start();
(new Thread(dbsecond.Run)).Start();
(new Thread(pipe1.Run)).Start();
}