bank.java

Java程序设计技巧与开发实例附书源代码。

import java.awt.*;
import java.awt.event.*;

public class Bank
    extends Business
    implements Runnable
{
  private Queue queue = null;

  public Bank()
  {
    super("银行");
    queue = new Queue();
  }

  /**
   * 实现父类的抽象方法，更新显示
   */
  public void updateDisplay()
  {
    labelServed.setText("已服务的顾客数：" + numCustomer);
    if (numCustomer != 0)
    {
      labelWait.setText("平均等待：" + (totalWait / numCustomer));
    }
    for (int i = 0; i < numAgents; i++)
    {
      labelAgent[i].setText("Agent " + i + "：已服务 " + agent[i].getHandled());
    }
    for (int i = numAgents; i < Simulator.NUM_AGENTS; i++)
    {
      labelAgent[i].setText("Agent " + i + "：没有激活");
    }
    labelQueue.setText("正在等待的顾客数：" + queue.getSize());
  }

  /**
   * 实现父类的抽象方法，产生新的银行顾客,并插入队列
   */
  public void generateCustomer()
  {
    queue.insert(new Customer());
  }

  /**
   * 实现父类的抽象方法，通过ID查询顾客
   * @param ID 顾客的ID号
   * @return 返回顾客
   */
  public Customer requestCustomerFor(int ID)
  {
    return queue.requestCustomer();
  }
}