storm写入hbase

测试的时候要在 windows 上修改 hosts文件添加主机 URL ：hostname

单机版hbase利用自带的zk的时候需要在 ${hbase_home}/bin/hbase-site.xml

添加

<property>
            <name>hbase.zookeeper.quorum</name>
            <value>192.168.X.X</value>
    </property>

程序框架图
java
    com
        heibaiying
                        component
                                        CountBolt.java
                                        DataSourceSpout.java
                                        SplitBolt
                        WordCountToHBase.java

CountBolt

package com.heibaiying.component;

import org.apache.storm.task.OutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseRichBolt;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Tuple;
import org.apache.storm.tuple.Values;

import java.util.HashMap;
import java.util.Map;

/**
 * 进行词频统计
 */
public class CountBolt extends BaseRichBolt {

    private Map<String, Integer> counts = new HashMap<>();

    private OutputCollector collector;


    @Override
    public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
        this.collector=collector;
    }

    @Override
    public void execute(Tuple input) {
        String word = input.getStringByField("word");
        Integer count = counts.get(word);
        if (count == null) {
            count = 0;
        }
        count++;
        counts.put(word, count);
        // 输出
        collector.emit(new Values(word, String.valueOf(count)));

    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
        declarer.declare(new Fields("word", "count"));
    }
}

DataSourceSpout

package com.heibaiying.component;

import org.apache.storm.shade.org.apache.commons.lang.StringUtils;
import org.apache.storm.spout.SpoutOutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseRichSpout;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Values;
import org.apache.storm.utils.Utils;

import java.util.*;


/**
 * 产生词频样本的数据源
 */
public class DataSourceSpout extends BaseRichSpout {

    private List<String> list = Arrays.asList("Spark", "Hadoop", "HBase", "Storm", "Flink", "Hive");

    private SpoutOutputCollector spoutOutputCollector;

    @Override
    public void open(Map map, TopologyContext topologyContext, SpoutOutputCollector spoutOutputCollector) {
        this.spoutOutputCollector = spoutOutputCollector;
    }

    @Override
    public void nextTuple() {
        // 模拟产生数据
        String lineData = productData();
        spoutOutputCollector.emit(new Values(lineData));
        Utils.sleep(10000);
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
        outputFieldsDeclarer.declare(new Fields("line"));
    }


    /**
     * 模拟数据
     */
    private String productData() {
        Collections.shuffle(list);
        Random random = new Random();
        int endIndex = random.nextInt(list.size()) % (list.size()) + 1;
        return StringUtils.join(list.toArray(), "	", 0, endIndex);
    }

}

SplitBolt

package com.heibaiying.component;

import org.apache.storm.task.OutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseRichBolt;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Tuple;

import java.util.Map;

import static org.apache.storm.utils.Utils.tuple;

/**
 * 将每行数据按照指定分隔符进行拆分
 */
public class SplitBolt extends BaseRichBolt {

    private OutputCollector collector;

    @Override
    public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
        this.collector = collector;
    }

    @Override
    public void execute(Tuple input) {
        String line = input.getStringByField("line");
        String[] words = line.split("	");
        for (String word : words) {
            collector.emit(tuple(word, 1));
        }
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
        declarer.declare(new Fields("word", "count"));
    }
}

WordCountToHbaseApp

package com.heibaiying;

import com.heibaiying.component.CountBolt;
import com.heibaiying.component.DataSourceSpout;
import com.heibaiying.component.SplitBolt;
import org.apache.storm.Config;
import org.apache.storm.LocalCluster;
import org.apache.storm.StormSubmitter;
import org.apache.storm.generated.AlreadyAliveException;
import org.apache.storm.generated.AuthorizationException;
import org.apache.storm.generated.InvalidTopologyException;
import org.apache.storm.hbase.bolt.HBaseBolt;
import org.apache.storm.hbase.bolt.mapper.SimpleHBaseMapper;
import org.apache.storm.topology.TopologyBuilder;
import org.apache.storm.tuple.Fields;

import java.util.HashMap;
import java.util.Map;

/**
 * 进行词频统计 并将统计结果存储到HBase中
 */
public class WordCountToHBaseApp {

    private static final String DATA_SOURCE_SPOUT = "dataSourceSpout";
    private static final String SPLIT_BOLT = "splitBolt";
    private static final String COUNT_BOLT = "countBolt";
    private static final String HBASE_BOLT = "hbaseBolt";

    public static void main(String[] args) {

        // storm的配置
        Config config = new Config();

        // HBase的配置
        Map<String, Object> hbConf = new HashMap<>();
        hbConf.put("hbase.rootdir", "hdfs://192.168.0.108:8020/hbase");
        hbConf.put("hbase.zookeeper.quorum", "192.168.0.108:2181");
        hbConf.put("zookeeper.znode.parent", "/hbase");

        // 将HBase的配置传入Storm的配置中
        config.put("hbase.conf", hbConf);

        // 定义流数据与HBase中数据的映射
        SimpleHBaseMapper mapper = new SimpleHBaseMapper()
                .withRowKeyField("word")
                .withColumnFields(new Fields("word","count"))
                .withColumnFamily("info");

        /*
         * 给HBaseBolt传入表名、数据映射关系、和HBase的配置信息
         * 表需要预先创建: create 'WordCount','info'
         */
        HBaseBolt hbase = new HBaseBolt("WordCount", mapper)
                .withConfigKey("hbase.conf");

        // 构建Topology
        TopologyBuilder builder = new TopologyBuilder();
        builder.setSpout(DATA_SOURCE_SPOUT, new DataSourceSpout(),1);
        // split
        builder.setBolt(SPLIT_BOLT, new SplitBolt(), 1).shuffleGrouping(DATA_SOURCE_SPOUT);
        // count
        builder.setBolt(COUNT_BOLT, new CountBolt(),1).shuffleGrouping(SPLIT_BOLT);
        // save to HBase
        builder.setBolt(HBASE_BOLT, hbase, 1).shuffleGrouping(COUNT_BOLT);


        // 如果外部传参cluster则代表线上环境启动,否则代表本地启动
        if (args.length > 0 && args[0].equals("cluster")) {
            try {
                StormSubmitter.submitTopology("ClusterWordCountToRedisApp", config, builder.createTopology());
            } catch (AlreadyAliveException | InvalidTopologyException | AuthorizationException e) {
                e.printStackTrace();
            }
        } else {
            LocalCluster cluster = new LocalCluster();
            cluster.submitTopology("LocalWordCountToRedisApp",
                    config, builder.createTopology());
        }
    }
}

RUSH B