satishsrinivasan

0xfb15c080b33946dbaac8d11aec2d18369aeb52bc

satishsrinivasan

def toInt(s: String) = {
 try {
  Some(Integer.parseInt(s))
 } catch {
   case e: Exception => None
 }
}

def square(i: Int) = i * i

satishsrinivasan

int host = ...
int port = ...
String oldHost = TargettableRmiClientSocketFactory.getHost();
String oldPort = TargettableRmiClientSocketFactory.getPort();

try {
    TargettableRmiClientSocketFactory.setHost(host);
    TargettableRmiClientSocketFactory.setPort(port);
    // do RMI operation here
}   finally {

satishsrinivasan

public class TargettableRmiClientSocketFactory implements RMIClientSocketFactory, Serializable
{
    private static final ThreadLocal<String> IP_ADDRESS = new ThreadLocal<String>();
    private static final ThreadLocal<Integer> PORT = new ThreadLocal<Integer>();    

    private RMIClientSocketFactory delegate; // initialised in constructor to something sensible    

    public static String getHost() { return IP_ADDRESS.get(); }    
    public static Integer getPort() { return PORT.get(); }    
    public static void setHost(String host) { IP_ADDRESS.set(host); }