Package backtype.storm.drpc

Examples of backtype.storm.drpc.LinearDRPCTopologyBuilder

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@SuppressWarnings("deprecation")
public class CassandraReachTopology {

    public static void main(String[] args) throws Exception {
        LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("reach");

        Config config = new Config();
        String configKey = "cassandra-config";
        HashMap<String, Object> clientConfig = new HashMap<String, Object>();
        clientConfig.put(StormCassandraConstants.CASSANDRA_HOST, "localhost:9160");
        clientConfig.put(StormCassandraConstants.CASSANDRA_KEYSPACE, Arrays.asList(new String [] {"stormks"}));
        config.put(configKey, clientConfig);

        // DelimitedColumnLookupBolt tweetersBolt =
        // new DelimitedColumnLookupBolt("tweeters_delimited", "rowKey",
        // "tweeted_by", ":", "rowKey", "tweeter", true);
        //
        // DelimitedColumnLookupBolt followersBolt =
        // new DelimitedColumnLookupBolt("followers_delimited", "tweeter",
        // "followers", ":", "rowKey", "follower", true);

        // cf = "tweeters", rowkey = tuple["url"]
        TupleMapper<String, String, String> tweetersTupleMapper = new DefaultTupleMapper("stormks", "tweeters", "url");
        // cf (url -> tweeters) -> emit(url, follower)
        ColumnMapper<String, String, String> tweetersColumnsMapper = new ValuelessColumnsMapper("url", "tweeter", true);
        CassandraLookupBolt<String, String, String> tweetersBolt = new CassandraLookupBolt<String, String, String>(configKey,
                tweetersTupleMapper, tweetersColumnsMapper);

        // cf = "followers", rowkey = tuple["tweeter"]
        TupleMapper<String, String, String> followersTupleMapper = new DefaultTupleMapper("stormks", "followers", "tweeter");
        // cf (tweeter -> followers) ==> emit(url, follower)
        ValuelessColumnsMapper followersColumnsMapper = new ValuelessColumnsMapper("url", "follower", true);
        CassandraLookupBolt<String, String, String> followersBolt = new CassandraLookupBolt<String, String, String>(configKey,
                followersTupleMapper, followersColumnsMapper);

        builder.addBolt(new InitBolt());
        builder.addBolt(tweetersBolt).shuffleGrouping();
        builder.addBolt(followersBolt).shuffleGrouping();
        builder.addBolt(new PartialUniquer()).fieldsGrouping(new Fields("id", "follower"));
        builder.addBolt(new CountAggregator()).fieldsGrouping(new Fields("id"));

        if (args == null || args.length == 0) {
            config.setMaxTaskParallelism(3);
            LocalDRPC drpc = new LocalDRPC();
            LocalCluster cluster = new LocalCluster();
            if ("true".equals(System.getProperty("debug"))) {
                config.setDebug(true);
            }
            cluster.submitTopology("reach-drpc", config, builder.createLocalTopology(drpc));

            String[] urlsToTry = new String[] { "http://github.com/hmsonline", "http://github.com/nathanmarz",
                    "http://github.com/ptgoetz", "http://github.com/boneill" };
            for (String url : urlsToTry) {
                System.out.println("Reach of " + url + ": " + drpc.execute("reach", url));
            }

            cluster.shutdown();
            drpc.shutdown();
        } else {
            config.setNumWorkers(6);
            StormSubmitter.submitTopology(args[0], config, builder.createRemoteTopology());
        }
    }
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      declarer.declare(new Fields("id", "reach"));
    }
  }

  public static LinearDRPCTopologyBuilder construct() {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("reach");
    builder.addBolt(new GetTweeters(), 4);
    builder.addBolt(new GetFollowers(), 12).shuffleGrouping();
    builder.addBolt(new PartialUniquer(), 6).fieldsGrouping(new Fields("id", "follower"));
    builder.addBolt(new CountAggregator(), 3).fieldsGrouping(new Fields("id"));
    return builder;
  }
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    builder.addBolt(new CountAggregator(), 3).fieldsGrouping(new Fields("id"));
    return builder;
  }

  public static void main(String[] args) throws Exception {
    LinearDRPCTopologyBuilder builder = construct();


    Config conf = new Config();

    if (args == null || args.length == 0) {
      conf.setMaxTaskParallelism(3);
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("reach-drpc", conf, builder.createLocalTopology(drpc));

      String[] urlsToTry = new String[]{ "foo.com/blog/1", "engineering.twitter.com/blog/5", "notaurl.com" };
      for (String url : urlsToTry) {
        System.out.println("Reach of " + url + ": " + drpc.execute("reach", url));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(6);
      StormSubmitter.submitTopologyWithProgressBar(args[0], conf, builder.createRemoteTopology());
    }
  }
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    }

  }

  public static void main(String[] args) throws Exception {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("exclamation");
    builder.addBolt(new ExclaimBolt(), 3);

    Config conf = new Config();

    if (args == null || args.length == 0) {
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();

      cluster.submitTopology("drpc-demo", conf, builder.createLocalTopology(drpc));

      for (String word : new String[]{ "hello", "goodbye" }) {
        System.out.println("Result for \"" + word + "\": " + drpc.execute("exclamation", word));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(3);
      StormSubmitter.submitTopologyWithProgressBar(args[0], conf, builder.createRemoteTopology());
    }
  }
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      declarer.declare(new Fields("id", "reach"));
    }
  }

  public static LinearDRPCTopologyBuilder construct() {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("reach");
    builder.addBolt(new GetTweeters(), 4);
    builder.addBolt(new GetFollowers(), 12).shuffleGrouping();
    builder.addBolt(new PartialUniquer(), 6).fieldsGrouping(new Fields("id", "follower"));
    builder.addBolt(new CountAggregator(), 3).fieldsGrouping(new Fields("id"));
    return builder;
  }
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    builder.addBolt(new CountAggregator(), 3).fieldsGrouping(new Fields("id"));
    return builder;
  }

  public static void main(String[] args) throws Exception {
    LinearDRPCTopologyBuilder builder = construct();


    Config conf = new Config();

    if (args == null || args.length == 0) {
      conf.setMaxTaskParallelism(3);
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("reach-drpc", conf, builder.createLocalTopology(drpc));

      String[] urlsToTry = new String[]{ "foo.com/blog/1", "engineering.twitter.com/blog/5", "notaurl.com" };
      for (String url : urlsToTry) {
        System.out.println("Reach of " + url + ": " + drpc.execute("reach", url));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(6);
      StormSubmitter.submitTopology(args[0], conf, builder.createRemoteTopology());
    }
  }
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    }

  }

  public static void main(String[] args) throws Exception {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("exclamation");
    builder.addBolt(new ExclaimBolt(), 3);

    Config conf = new Config();

    if (args == null || args.length == 0) {
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();

      cluster.submitTopology("drpc-demo", conf, builder.createLocalTopology(drpc));

      for (String word : new String[]{ "hello", "goodbye" }) {
        System.out.println("Result for \"" + word + "\": " + drpc.execute("exclamation", word));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(3);
      StormSubmitter.submitTopology(args[0], conf, builder.createRemoteTopology());
    }
  }
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            declarer.declare(new Fields("id", "reach"));
        }
    }
   
    public static LinearDRPCTopologyBuilder construct() {
        LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("reach");
        builder.addBolt(new GetTweeters(), 4);
        builder.addBolt(new GetFollowers(), 12)
                 .shuffleGrouping();
        builder.addBolt(new PartialUniquer(), 6)
                 .fieldsGrouping(new Fields("id", "follower"));
        builder.addBolt(new CountAggregator(), 3)
                 .fieldsGrouping(new Fields("id"));
        return builder;
    }
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                 .fieldsGrouping(new Fields("id"));
        return builder;
    }
   
    public static void main(String[] args) throws Exception {
        LinearDRPCTopologyBuilder builder = construct();
       
       
        Config conf = new Config();
       
        if(args==null || args.length==0) {
            conf.setMaxTaskParallelism(3);
            LocalDRPC drpc = new LocalDRPC();
            LocalCluster cluster = new LocalCluster();
            cluster.submitTopology("reach-drpc", conf, builder.createLocalTopology(drpc));
           
            String[] urlsToTry = new String[] { "foo.com/blog/1", "engineering.twitter.com/blog/5", "notaurl.com"};
            for(String url: urlsToTry) {
                System.out.println("Reach of " + url + ": " + drpc.execute("reach", url));
            }
           
            cluster.shutdown();
            drpc.shutdown();
        } else {
            conf.setNumWorkers(6);
            StormSubmitter.submitTopology(args[0], conf, builder.createRemoteTopology());
        }
    }
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        }
   
    }
   
    public static void main(String[] args) throws Exception {
        LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("exclamation");
        builder.addBolt(new ExclaimBolt(), 3);
       
        Config conf = new Config();
       
        if(args==null || args.length==0) {
            LocalDRPC drpc = new LocalDRPC();
            LocalCluster cluster = new LocalCluster();
           
            cluster.submitTopology("drpc-demo", conf, builder.createLocalTopology(drpc));

            for(String word: new String[] {"hello", "goodbye"}) {
                System.out.println("Result for \"" + word + "\": "
                        + drpc.execute("exclamation", word));
            }
           
            cluster.shutdown();
            drpc.shutdown();
        } else {
            conf.setNumWorkers(3);
            StormSubmitter.submitTopology(args[0], conf, builder.createRemoteTopology());
        }
    }
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Related Classes of backtype.storm.drpc.LinearDRPCTopologyBuilder

  • backtype.storm.coordination.BatchBoltExecutor
  • backtype.storm.coordination.CoordinatedBolt
  • backtype.storm.coordination.CoordinatedBolt.IdStreamSpec
  • backtype.storm.topology.BasicBoltExecutor
  • backtype.storm.topology.BoltDeclarer
  • backtype.storm.topology.IRichBolt
  • backtype.storm.topology.OutputFieldsGetter
  • backtype.storm.topology.TopologyBuilder
  • backtype.storm.tuple.Fields
  • com.alipay.dw.jstorm.example.drpc.ReachTopology
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