/// <summary>
        /// Fire <see cref="WorkerPickedJob"/>
        /// </summary>
        /// <param name="threadId">affcted Worker Thread ID</param>
        private void OnWorkerIsWaiting( int threadId )
        {
            QuickIOTransferWorkerIsSleepingEventArgs args = null;
            if ( WorkerIsWaiting != null )
            {
                args = new QuickIOTransferWorkerIsSleepingEventArgs( threadId );
                WorkerIsWaiting( this, args );
            }

            if ( args == null )
            {
                args = new QuickIOTransferWorkerIsSleepingEventArgs( threadId );
            }
            Observer.OnWorkerIsWaiting( args );
        }
 /// <summary>
 /// Fire <see cref="WorkerPickedJob"/>
 /// </summary>
 /// <param name="args">Holds further event information</param>
 public virtual void OnWorkerIsWaiting( QuickIOTransferWorkerIsSleepingEventArgs args )
 {
     if ( WorkerIsWaiting != null )
     {
         WorkerIsWaiting( this, args );
     }
 }