/**
* Copyright (C) 2010 Peter Karich <jetwick_@_pannous_._info>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.jetwick.rmi;
import de.jetwick.config.Configuration;
import de.jetwick.data.JTweet;
import java.net.InetAddress;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;
import java.util.Collection;
import java.util.concurrent.BlockingQueue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author Peter Karich, peat_hal 'at' users 'dot' sourceforge 'dot' net
*/
public class RMIServer implements CommunicationService {
public static void main(String args[]) throws Exception {
new RMIServer(new Configuration()).createThread().run();
}
private static Logger logger = LoggerFactory.getLogger(RMIServer.class);
private BlockingQueue<JTweet> tweetQueue;
private Configuration config;
public RMIServer(Configuration config) {
this.config = config;
}
public Thread createThread() {
return new Thread("rmi-server") {
@Override
public void run() {
try {
// get the address of this host.
String host = (InetAddress.getLocalHost()).toString();
logger.info("address=" + host + " port=" + config.getRMIPort());
CommunicationService stub = (CommunicationService) UnicastRemoteObject.
exportObject(RMIServer.this, config.getRMIPort());
Registry registry = LocateRegistry.createRegistry(config.getRMIPort());
registry.rebind(config.getRMIService(), stub);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
};
}
int counter = 1;
@Override
public void send(JTweet tws) {
if (tweetQueue == null) {
logger.error("Queue not online");
return;
}
// prevent us from OOMs
if (tweetQueue.size() > 10000) {
if (counter++ % 100 == 0) {
logger.warn("Skipped " + counter + " tweets - queue is full: " + tweetQueue.size());
counter = 1;
}
return;
}
tweetQueue.add(tws);
// logger.info("queued " + tws.getFeedSource());
}
@Override
public void send(Collection<JTweet> tweets) throws RemoteException {
if (tweets.isEmpty())
return;
if (tweetQueue == null) {
logger.error("Queue not online");
return;
}
// prevent us from OOMs
if (tweetQueue.size() > 10000) {
logger.warn("Skipped " + tweets.size() + " tweets - queue is full: " + tweetQueue.size());
return;
}
tweetQueue.addAll(tweets);
logger.info("queued " + tweets.size() + " tweets. First name " + tweets.iterator().next().getFeedSource());
}
public void setQueue(BlockingQueue<JTweet> tweets) {
this.tweetQueue = tweets;
}
}