Package com.alipay.dw.jstorm.example.sequence

Source Code of com.alipay.dw.jstorm.example.sequence.SequenceTopology

package com.alipay.dw.jstorm.example.sequence;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import org.yaml.snakeyaml.Yaml;

import backtype.storm.Config;
import backtype.storm.LocalCluster;
import backtype.storm.StormSubmitter;
import backtype.storm.generated.AlreadyAliveException;
import backtype.storm.generated.InvalidTopologyException;
import backtype.storm.generated.TopologyAssignException;
import backtype.storm.topology.BoltDeclarer;
import backtype.storm.topology.TopologyBuilder;
import backtype.storm.tuple.Fields;

import com.alibaba.jstorm.utils.JStormUtils;
import com.alipay.dw.jstorm.example.sequence.bean.Pair;
import com.alipay.dw.jstorm.example.sequence.bean.TradeCustomer;
import com.alipay.dw.jstorm.example.sequence.bolt.MergeRecord;
import com.alipay.dw.jstorm.example.sequence.bolt.PairCount;
import com.alipay.dw.jstorm.example.sequence.bolt.SplitRecord;
import com.alipay.dw.jstorm.example.sequence.bolt.TotalCount;
import com.alipay.dw.jstorm.example.sequence.spout.SequenceSpout;

public class SequenceTopology {

  private final static String TOPOLOGY_SPOUT_PARALLELISM_HINT = "spout.parallel";
  private final static String TOPOLOGY_BOLT_PARALLELISM_HINT = "bolt.parallel";

  public static void SetBuilder(TopologyBuilder builder, Map conf) {

    int spout_Parallelism_hint = JStormUtils.parseInt(
        conf.get(TOPOLOGY_SPOUT_PARALLELISM_HINT), 1);
    int bolt_Parallelism_hint = JStormUtils.parseInt(
        conf.get(TOPOLOGY_BOLT_PARALLELISM_HINT), 2);

    builder.setSpout(SequenceTopologyDef.SEQUENCE_SPOUT_NAME,
        new SequenceSpout(), spout_Parallelism_hint);

    boolean isEnableSplit = JStormUtils.parseBoolean(
        conf.get("enable.split"), false);

    if (isEnableSplit == false) {
      BoltDeclarer boltDeclarer = builder.setBolt(
          SequenceTopologyDef.TOTAL_BOLT_NAME, new TotalCount(),
          bolt_Parallelism_hint);

      // localFirstGrouping is only for jstorm
      // boltDeclarer.localFirstGrouping(SequenceTopologyDef.SEQUENCE_SPOUT_NAME);
      boltDeclarer
          .localOrShuffleGrouping(SequenceTopologyDef.SEQUENCE_SPOUT_NAME);
    } else {

      builder.setBolt(SequenceTopologyDef.SPLIT_BOLT_NAME,
          new SplitRecord(), bolt_Parallelism_hint)
          .localOrShuffleGrouping(
              SequenceTopologyDef.SEQUENCE_SPOUT_NAME);

      builder.setBolt(SequenceTopologyDef.TRADE_BOLT_NAME,
          new PairCount(), bolt_Parallelism_hint).shuffleGrouping(
          SequenceTopologyDef.SPLIT_BOLT_NAME,
          SequenceTopologyDef.TRADE_STREAM_ID);
      builder.setBolt(SequenceTopologyDef.CUSTOMER_BOLT_NAME,
          new PairCount(), bolt_Parallelism_hint).shuffleGrouping(
          SequenceTopologyDef.SPLIT_BOLT_NAME,
          SequenceTopologyDef.CUSTOMER_STREAM_ID);

      builder.setBolt(SequenceTopologyDef.MERGE_BOLT_NAME,
          new MergeRecord(), bolt_Parallelism_hint)
          .fieldsGrouping(SequenceTopologyDef.TRADE_BOLT_NAME,
              new Fields("ID"))
          .fieldsGrouping(SequenceTopologyDef.CUSTOMER_BOLT_NAME,
              new Fields("ID"));

      builder.setBolt(SequenceTopologyDef.TOTAL_BOLT_NAME,
          new TotalCount(), bolt_Parallelism_hint).noneGrouping(
          SequenceTopologyDef.MERGE_BOLT_NAME);
    }

    boolean kryoEnable = JStormUtils.parseBoolean(conf.get("kryo.enable"),
        false);
    if (kryoEnable == true) {
      System.out.println("Use Kryo ");
      boolean useJavaSer = JStormUtils.parseBoolean(
          conf.get("fall.back.on.java.serialization"), true);

      Config.setFallBackOnJavaSerialization(conf, useJavaSer);

      Config.registerSerialization(conf, TradeCustomer.class);
      Config.registerSerialization(conf, Pair.class);
    }

    // conf.put(Config.TOPOLOGY_DEBUG, false);
    // conf.put(ConfigExtension.TOPOLOGY_DEBUG_RECV_TUPLE, false);
    // conf.put(Config.STORM_LOCAL_MODE_ZMQ, false);

    int ackerNum = JStormUtils.parseInt(
        conf.get(Config.TOPOLOGY_ACKER_EXECUTORS), 1);
    Config.setNumAckers(conf, ackerNum);
    // conf.put(Config.TOPOLOGY_MAX_TASK_PARALLELISM, 6);
    // conf.put(Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS, 20);
    // conf.put(Config.TOPOLOGY_MAX_SPOUT_PENDING, 1);

    int workerNum = JStormUtils.parseInt(conf.get(Config.TOPOLOGY_WORKERS),
        20);
    conf.put(Config.TOPOLOGY_WORKERS, workerNum);

  }

  public static void SetLocalTopology() throws Exception {
    TopologyBuilder builder = new TopologyBuilder();

    conf.put(TOPOLOGY_BOLT_PARALLELISM_HINT, Integer.valueOf(1));

    SetBuilder(builder, conf);

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

    Thread.sleep(60000);

    cluster.shutdown();
  }

  public static void SetRemoteTopology() throws AlreadyAliveException,
      InvalidTopologyException, TopologyAssignException {

    String streamName = (String) conf.get(Config.TOPOLOGY_NAME);
    if (streamName == null) {
      streamName = "SequenceTest";
    }

    TopologyBuilder builder = new TopologyBuilder();

    SetBuilder(builder, conf);

    conf.put(Config.STORM_CLUSTER_MODE, "distributed");

    StormSubmitter.submitTopology(streamName, conf,
        builder.createTopology());

  }

  public static void SetDPRCTopology() throws AlreadyAliveException,
      InvalidTopologyException, TopologyAssignException {
    // LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder(
    // "exclamation");
    //
    // builder.addBolt(new TotalCount(), 3);
    //
    // Config conf = new Config();
    //
    // conf.setNumWorkers(3);
    // StormSubmitter.submitTopology("rpc", conf,
    // builder.createRemoteTopology());
    System.out
        .println("Please refer to com.alipay.dw.jstorm.example.drpc.ReachTopology");
  }

  private static Map conf = new HashMap<Object, Object>();

  private static void LoadProperty(String prop) {
    Properties properties = new Properties();

    try {
      InputStream stream = new FileInputStream(prop);
      properties.load(stream);
    } catch (FileNotFoundException e) {
      System.out.println("No such file " + prop);
    } catch (Exception e1) {
      e1.printStackTrace();

      return;
    }

    conf.putAll(properties);
  }

  private static void LoadYaml(String confPath) {

    Yaml yaml = new Yaml();

    try {
      InputStream stream = new FileInputStream(confPath);

      conf = (Map) yaml.load(stream);
      if (conf == null || conf.isEmpty() == true) {
        throw new RuntimeException("Failed to read config file");
      }

    } catch (FileNotFoundException e) {
      System.out.println("No such file " + confPath);
      throw new RuntimeException("No config file");
    } catch (Exception e1) {
      e1.printStackTrace();
      throw new RuntimeException("Failed to read config file");
    }

    return;
  }

  private static void LoadConf(String arg) {
    if (arg.endsWith("yaml")) {
      LoadYaml(arg);
    } else {
      LoadProperty(arg);
    }
  }

  public static boolean local_mode(Map conf) {
    String mode = (String) conf.get(Config.STORM_CLUSTER_MODE);
    if (mode != null) {
      if (mode.equals("local")) {
        return true;
      }
    }

    return false;

  }

  public static void main(String[] args) throws Exception {
    if (args.length == 0) {
      System.err.println("Please input configuration file");
      System.exit(-1);
    }

    LoadConf(args[0]);

    if (local_mode(conf)) {
      SetLocalTopology();
    } else {
      SetRemoteTopology();
    }

  }

}
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