// RMI fixed.  The sort() method is now sorting the copy it receives, and
// then returning the copy by value back to the client.  The client is now
// happy.

import java.rmi.*;
import java.rmi.server.*;

interface RISort extends Remote {
  int[] sort( int[] array ) throws RemoteException;
}

public class RmiSortServerFix extends UnicastRemoteObject implements RISort {
  public RmiSortServerFix() throws RemoteException { }
  public int[] sort( int[] array ) {
    System.out.print( "RmiSortServerFix.sort() - " );
    for (int i=0; i < array.length; i++) System.out.print( array[i] + " " );
    System.out.println();
    for (int g = array.length/2; g > 0; g /= 2)
      for (int i = g; i < array.length; i++)
        for (int j = i-g; j >= 0; j -= g)
          if (array[j] > array[j+g]) {
            int temp = array[j];
            array[j] = array[j+g];
            array[j+g] = temp;
          }
    return array;
  }
  public static void main( String[] args ) {
    try {
      Naming.rebind( "SortServer", new RmiSortServerFix() );
    } catch (java.net.MalformedURLException ex) { ex.printStackTrace();
    } catch (RemoteException ex)                { ex.printStackTrace(); }
    System.out.println( "SortServerFix bound in rmiregistry" );
} }



import java.rmi.*;

public class RmiSortClientFix {
  public static void main( String[] args ) {
    int[] array = new int[15];
    java.util.Random rn = new java.util.Random();

    for (int i=0; i < array.length; i++) array[i] = rn.nextInt(20) + 1;
    for (int i=0; i < array.length; i++) System.out.print( array[i] + " " );
    System.out.println();

    try {
      RISort sorter = (RISort) Naming.lookup( "SortServer" );
      array = sorter.sort( array );
    } catch (NotBoundException ex)              { ex.printStackTrace();
    } catch (java.net.MalformedURLException ex) { ex.printStackTrace();
    } catch (RemoteException ex)                { ex.printStackTrace(); }

    for (int i=0; i < array.length; i++) System.out.print( array[i] + " " );
    System.out.println();
} }

// D:\j2ee\demos> rmiregistry
//
// D:\j2ee\demos> javac RmiSortServerFix.java
// D:\j2ee\demos> rmic -v1.2 RmiSortServerFix
// D:\j2ee\demos> java RmiSortServerFix
// SortServerFix bound in rmiregistry
// RmiSortServerFix.sort() - 6 3 2 18 14 2 20 7 12 4 16 20 17 2 8
// RmiSortServerFix.sort() - 12 17 11 18 13 11 18 1 9 14 19 3 2 7 12
//
// D:\j2ee\demos> javac RmiSortClientFix.java
// D:\j2ee\demos> java RmiSortClientFix
// 6 3 2 18 14 2 20 7 12 4 16 20 17 2 8
// 2 2 2 3 4 6 7 8 12 14 16 17 18 20 20
// D:\j2ee\demos> java RmiSortClientFix
// 12 17 11 18 13 11 18 1 9 14 19 3 2 7 12
// 1 2 3 7 9 11 11 12 12 13 14 17 18 18 19