agent.java

Java程序设计技巧与开发实例附书源代码。

import java.util.Date;

public class Agent
    extends Thread
{
  private boolean running = false;
  private Business business = null;
  private int ID = -1;
  private int numCustomers = 0;

  public Agent(Business _business, int _ID)
  {
    business = _business;
    ID = _ID;
  }

  public void start()
  {
    running = true;
    super.start();
  }

  public void halt()
  {
    running = false;
  }

  public int getHandled()
  {
    return numCustomers;
  }

  private void releaseCustomer(Customer customer)
  {
    numCustomers++;
    business.checkoutCustomer(numCustomers, customer.getWaitTime(new Date()));
  }

  public void run()
  {
    while (running)
    {
      try
      {
        sleep( (int) (Math.random() * Simulator.MAX_TELLER_BREAK) + 1000);
        Customer customer = business.requestCustomerFor(ID);
        if (customer != null)
        {
          sleep(customer.getDelayTime());
          releaseCustomer(customer);
        }
      }
      catch (InterruptedException ie)
      {
        System.out.println("Teller exception: " + ie);
      }
    }
  }
}