/* CustomerGenerator.java is a thread class generates customers for
 * 					a bank queue simulation
 *
 * Started by: Charles Hoot, for Hands On Java.
 * Date: July, 2000      
 * Finished by:
 *****************************************************************/


import Customer;
import BankLine;

class CustomerGenerator extends Thread
{

	private static final int MAX_TIME = 5000;
	private static final int MIN_TIME = 100;
	
	private BankLine myLine;
	private int count;
	private boolean makeCustomerVerbose;


	/*****************************************************************
	 * CustomerGenerator constructor
	 *
	 * Input: The line associated with the Teller
	 * PostCondition: remembers the line
	 *				number of customers generated is zero
	 *****************************************************************/
	public CustomerGenerator(BankLine line, boolean verbose){
		myLine = line;
		count = 0;
		makeCustomerVerbose = verbose;
	}
	
	
	/*****************************************************************
	 * what to do when the thread is run
	 *
	 *****************************************************************/
	public void run(){
		while(true){
			try {
				Customer aCustomer = 
					new Customer((new Integer(count)).toString(), makeCustomerVerbose);
				count++;
				myLine.addCustomer(aCustomer);
				int nextCustomerIn = MIN_TIME  
								+ (int) Math.round(Math.random() * (MAX_TIME - MIN_TIME));
				sleep(nextCustomerIn);
			} catch( InterruptedException ex) {
				// just continue on
			}
		}
	}
	


} // end of class