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package examples.jndi;
import java.rmi.RemoteException;
import javax.rmi.PortableRemoteObject;
/**
* The implementation of a remote object which generates primary keys
*/
public class PrimaryKeyGeneratorImpl
extends PortableRemoteObject
implements PrimaryKeyGenerator {
private static long i = System.currentTimeMillis();
public PrimaryKeyGeneratorImpl() throws Exception, RemoteException {
/*
* Since we extend PortableRemoteObject, the super
* class will export our remote object here.
*/
super();
}
/**
* Generates a unique primary key
*/
public synchronized long generate() throws RemoteException {
return i++;
}
}
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