The move Method
This method moves a transaction in the queue. The parameter steps specifies the number of transactions to bypass. The parameter isUp should specify true to move the transaction toward the top of the queue or false to move toward the bottom of the queue.
After the transaction is moved, the transaction's priority is adjusted as follows:
• If the transaction was moved up, its priority is set to the priority of the transaction behind it.
• If the transaction was moved down, its priority is set to the priority of the transaction ahead of it.