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  * JBoss, Home of Professional Open Source
  * Copyright 2005, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site:
 package org.jboss.remoting.samples.callback.statistics;
Sample client that demonstrates CallbackPoller tuning statistics.

Ron Sigal
Tom Elrod
 public class CallbackClient
    // Default locator values
    private static String transport = "socket";
    private static String host = "localhost";
    private static int port = 5400;

Registers callback listener and asks CallbackPoller to print statistics.
    public void getPolledCallbacks(String locatorURIthrows Throwable
       ..println("Calling remoting server with locator uri of: " + locatorURI);
       InvokerLocator locator = new InvokerLocator(locatorURI);
       Client client = new Client(locator);
       // Registter callback handler and tell CallbackPoller to report statistics.
       CallbackHandler callbackHandler = new CallbackHandler();
       HashMap metadata = new HashMap();
       // Wait for callbacks to received, processed, and acknowledged.
       // remove callback handler from server

Can pass transport and port to be used as parameters.
    public static void main(String[] args)
       if(args != null && args.length == 2)
           = args[0];
           = Integer.parseInt(args[1]);
       String locatorURI =  + "://" +  + ":" + ;
       CallbackClient callbackClient = new CallbackClient();
       catch(Throwable e)

Our implementation of the InvokerCallbackHandler. Simply prints out the callback object's message upon receiving it.
    public class CallbackHandler implements InvokerCallbackHandler
      public void handleCallback(Callback callbackthrows HandleCallbackException
         // Slow down callback handling so callbacks build up in CallbackPoller.
         catch (InterruptedException e) {}
         ..println("Received push callback.");
         ..println("Received callback value of: " + callback.getCallbackObject());
         ..println("Received callback server invoker of: " + callback.getServerLocator());
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