/**
 * DataControl.java
 *
 * @author Pat Troy
 */

import java.io.*;  		// IO class stuff
import java.util.*;

import java.util.Map;           // Superclass of TreeMap
import java.util.TreeMap;       // A container that supports lookup of values
                                // using keys
import java.util.Iterator;      // Used to traverse the TreeMap

import java.rmi.*;

public interface DataControl extends Remote
{

 public void readBidders (String filename)
	throws RemoteException;

 public void writeBidders (String filename)
	throws RemoteException;   

 public void readItems (String filename)
	throws RemoteException;

 public void writeItems (String filename)
	throws RemoteException;

 public Item makeBid (int bnum, String inum, int bamount, boolean noCheck)
	throws RemoteException;

 public boolean validateItemNumber (String inum)
	throws RemoteException;

 public boolean validateBidderNumber (int bnum)
	throws RemoteException;

 public Vector<Item> getItemsForBidder (int bidderNum)
	throws RemoteException;

 public Vector<Bidder> findBidderNumber (String s)
	throws RemoteException;

 public Bidder getBidderRecord (int bnum)
	throws RemoteException;
    
 public boolean updateBidderRecord (Bidder newBidder)
	throws RemoteException;
    
 public int getNextCashierNum ()
	throws RemoteException;
}