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Apache Kafka 1.0 Cookbook

You're reading from   Apache Kafka 1.0 Cookbook Over 100 practical recipes on using distributed enterprise messaging to handle real-time data

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781787286849
Length 250 pages
Edition 1st Edition
Languages
Tools
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Authors (2):
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Raúl Estrada Raúl Estrada
Author Profile Icon Raúl Estrada
Raúl Estrada
Alexey Zinoviev Alexey Zinoviev
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Alexey Zinoviev
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Toc

Table of Contents (11) Chapters Close

Preface 1. Configuring Kafka FREE CHAPTER 2. Kafka Clusters 3. Message Validation 4. Message Enrichment 5. The Confluent Platform 6. Kafka Streams 7. Managing Kafka 8. Operating Kafka 9. Monitoring and Security 10. Third-Party Tool Integration

Running the currency price enricher


In the previous recipe, the final version of the Enricher class was coded. Now, in this recipe, everything is compiled and executed.

Getting ready

The execution of the previous recipes in this chapter is needed.

How to do it...

The ProcessingApp class coordinates the Reader and Writer classes. It contains the main method to execute them. Create a new file called src/main/java/doubloon/ProcessingApp.java and fill it with the following code:

 
package doubloon; 
 
import java.io.IOException; 
 
public class ProcessingApp { 
 
  public static void main(String[] args) throws IOException{ 
    String servers = args[0]; 
    String groupId = args[1]; 
    String sourceTopic = args[2]; 
    String goodTopic = args[3]; 
    String badTopic = args[4]; 
     
    Reader reader = new Reader(servers, groupId, sourceTopic);       
    Enricher enricher = new Enricher(servers, goodTopic, badTopic); 
   
    reader.run(enricher); 
   
  } 
} 
 

How it works...

The ProcessingApp...

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