Mastering Apache Storm

Trident hello world topology

This section explains how we can write a Trident hello world topology. Perform the following steps to create Trident hello world topology:

1. Create a Maven project by using com.stormadvance as the groupId and storm_trident as the artifactId.
2. Add the following dependencies and repositories to the pom.xml file:

         <dependencies> 
         <dependency> 
               <groupId>junit</groupId> 
               <artifactId>junit</artifactId> 
               <version>3.8.1</version> 
               <scope>test</scope> 
         </dependency> 
         <dependency> 
               <groupId>org.apache.storm</groupId> 
               <artifactId>storm-core</artifactId> 
               <version>1.0.2</version> 
               <scope>provided</scope> 
         </dependency> 
   </dependencies> 

3. Create a TridentUtility class in a com.stormadvance.storm_trident package. This class contains the ...