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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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* 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: http://www.fsf.org.
*/
package org.jboss.remoting.samples.callback.statistics;
import java.util.HashMap;
import org.jboss.remoting.Client;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.callback.Callback;
import org.jboss.remoting.callback.CallbackPoller;
import org.jboss.remoting.callback.HandleCallbackException;
import org.jboss.remoting.callback.InvokerCallbackHandler;
/**
* Sample client that demonstrates CallbackPoller tuning statistics.
*
* @author <a href="mailto:ron.sigal@jboss.com">Ron Sigal</a>
* @author <a href="mailto:telrod@e2technologies.net">Tom Elrod</a>
*/
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 locatorURI) throws Throwable
{
System.out.println("Calling remoting server with locator uri of: " + locatorURI);
InvokerLocator locator = new InvokerLocator(locatorURI);
Client client = new Client(locator);
client.connect();
// Registter callback handler and tell CallbackPoller to report statistics.
CallbackHandler callbackHandler = new CallbackHandler();
HashMap metadata = new HashMap();
metadata.put(CallbackPoller.REPORT_STATISTICS, "true");
client.addListener(callbackHandler, metadata);
// Wait for callbacks to received, processed, and acknowledged.
Thread.sleep(20000);
// remove callback handler from server
client.removeListener(callbackHandler);
client.disconnect();
}
/**
* Can pass transport and port to be used as parameters.
*/
public static void main(String[] args)
{
if(args != null && args.length == 2)
{
transport = args[0];
port = Integer.parseInt(args[1]);
}
String locatorURI = transport + "://" + host + ":" + port;
CallbackClient callbackClient = new CallbackClient();
try
{
callbackClient.getPolledCallbacks(locatorURI);
}
catch(Throwable e)
{
e.printStackTrace();
}
}
/**
* 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 callback) throws HandleCallbackException
{
// Slow down callback handling so callbacks build up in CallbackPoller.
try
{
Thread.sleep(1000);
}
catch (InterruptedException e) {}
System.out.println("Received push callback.");
System.out.println("Received callback value of: " + callback.getCallbackObject());
System.out.println("Received callback server invoker of: " + callback.getServerLocator());
}
}
}
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