TopoWithCassandra.java

package mypackage.topology;

import backtype.storm.Config;
import backtype.storm.LocalCluster;
import backtype.storm.StormSubmitter;
import backtype.storm.topology.TopologyBuilder;
import mypackage.bolts.CasanTest;
import mypackage.bolts.HashtagAndTweetBolt;
import mypackage.bolts.report;
import mypackage.spouts.TwitterSpout;

/**
 * Created by anshushukla on 08/04/15.
 */
public class TopoWithCassandra {
    public static void main (String[] args) throws Exception{
        TopologyBuilder builder = new TopologyBuilder();

        builder.setSpout("spout", new TwitterSpout(), 50);

        builder.setBolt("unshortenBolt", new HashtagAndTweetBolt(), 4)
                .shuffleGrouping("spout");
//    builder.setBolt("dbBolt", new CassandraBolt(), 2)
//             .shuffleGrouping("unshortenBolt");

        builder.setBolt("dbbolt",new CasanTest(),4)
                .shuffleGrouping("unshortenBolt");

        builder.setBolt("report-bolt", new report(), 1).globalGrouping("dbbolt");



        Config conf = new Config();
        conf.setDebug(false);

        //submit it to the cluster, or submit it locally
        if(args!=null && args.length > 0) {
            conf.setNumWorkers(3);

            StormSubmitter.submitTopology(args[0], conf, builder.createTopology());
        } else {
            conf.setMaxTaskParallelism(10);

            LocalCluster cluster = new LocalCluster();
            cluster.submitTopology("unshortening", conf, builder.createTopology());

            //Thread.sleep(10000);

            //cluster.shutdown();
        }
    }

}