
package ccRMI;

import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;

public class CC extends UnicastRemoteObject implements InterfacciaCC {


	private static final long serialVersionUID = 1L;

	private long cc = 0L;

	protected CC() throws RemoteException {
		super();
	}

	public synchronized long prelievo(long quanto) throws RemoteException {
		if(quanto <= cc) {
			cc -= quanto;
			return (cc);
		} else 
			return -cc;
	}

	public synchronized long saldo() throws RemoteException {
		return cc;
	}

	public synchronized long versa(long quanto) throws RemoteException {
		cc += quanto;
		return cc;
	}

}