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storm编程模型

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罗祥
2019-04-15 16:03:12 +08:00
parent 84e5ba54ec
commit 2ddc8b8669
12 changed files with 383 additions and 9 deletions
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4
code/Storm/storm-word-count/logs/workers-artifacts/LocalWordCountTopology-1-1555310515/1027/worker.yaml Normal file
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worker-id: 7b8e6dbf-1e3e-4368-8f0c-1a4936042ca7
logs.users: []
logs.groups: []
topology.submitter.user: ciic

4
code/Storm/storm-word-count/logs/workers-artifacts/LocalWordCountTopology-1-1555311430/1027/worker.yaml Normal file
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worker-id: 931219fd-8b9a-4333-9fda-5d1df11a258c
logs.users: []
logs.groups: []
topology.submitter.user: ciic

4
code/Storm/storm-word-count/logs/workers-artifacts/LocalWordCountTopology-1-1555311784/1024/worker.yaml Normal file
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worker-id: 9cdf2e0f-b135-41c6-b3fd-1502afddf212
logs.users: []
logs.groups: []
topology.submitter.user: ciic

4
code/Storm/storm-word-count/logs/workers-artifacts/LocalWordCountTopology-1-1555313003/1027/worker.yaml Normal file
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worker-id: 9837751b-8320-4651-b325-3c64898b976d
logs.users: []
logs.groups: []
topology.submitter.user: ciic

32
code/Storm/storm-word-count/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.heibaiying</groupId>
<artifactId>storm-word-count</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.apache.storm</groupId>
<artifactId>storm-core</artifactId>
<version>1.2.2</version>
</dependency>
</dependencies>
</project>

26
code/Storm/storm-word-count/src/main/java/com/heibaiying/wordcount/WordCountApp.java Normal file
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package com.heibaiying.wordcount;
import com.heibaiying.wordcount.component.CountBolt;
import com.heibaiying.wordcount.component.DataSourceSpout;
import com.heibaiying.wordcount.component.SplitBolt;
import org.apache.storm.Config;
import org.apache.storm.LocalCluster;
import org.apache.storm.topology.TopologyBuilder;
public class WordCountApp{
public static void main(String[] args) {
TopologyBuilder builder = new TopologyBuilder();
builder.setSpout("DataSourceSpout", new DataSourceSpout());
// 指明将 DataSourceSpout 的数据发送到 SplitBolt 中处理
builder.setBolt("SplitBolt", new SplitBolt()).shuffleGrouping("DataSourceSpout");
// 指明将 SplitBolt 的数据发送到 CountBolt 中 处理
builder.setBolt("CountBolt", new CountBolt()).shuffleGrouping("SplitBolt");
// 创建本地集群用于测试 这种模式不需要本机安装storm,直接运行该Main方法即可
LocalCluster cluster = new LocalCluster();
cluster.submitTopology("LocalWordCountTopology",
new Config(), builder.createTopology());
}
}

40
code/Storm/storm-word-count/src/main/java/com/heibaiying/wordcount/component/CountBolt.java Normal file
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package com.heibaiying.wordcount.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.Tuple;
import java.util.HashMap;
import java.util.Map;
public class CountBolt extends BaseRichBolt {
private Map<String, Integer> counts = new HashMap<>();
@Override
public void prepare(Map stormConf, TopologyContext context, OutputCollector 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
System.out.print("当前实时统计结果:");
counts.forEach((key, value) -> System.out.print(key + ":" + value + "; "));
System.out.println();
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
}

49
code/Storm/storm-word-count/src/main/java/com/heibaiying/wordcount/component/DataSourceSpout.java Normal file
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package com.heibaiying.wordcount.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.*;
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(1000);
}
@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(), "\t", 0, endIndex);
}
}

35
code/Storm/storm-word-count/src/main/java/com/heibaiying/wordcount/component/SplitBolt.java Normal file
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package com.heibaiying.wordcount.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.Map;
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("\t");
for (String word : words) {
collector.emit(new Values(word));
}
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
declarer.declare(new Fields("word"));
}
}