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Chapter 11. Kafka Streams API overview
The Kafka Streams API allows applications to receive data from one or more input streams, execute complex operations like mapping, filtering or joining, and write the results into one or more output streams. It is part of the kafka-streams JAR package that is available in the Red Hat Maven repository.
11.1. Adding the Kafka Streams API as a dependency to your Maven project
This procedure shows you how to add the AMQ Streams Java clients as a dependency to your Maven project.
Prerequisites
-
A Maven project with an existing
pom.xml.
Procedure
Add the Red Hat Maven repository to the
<repositories>section of yourpom.xmlfile.<?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"> <!-- ... --> <repositories> <repository> <id>redhat-maven</id> <url>https://maven.repository.redhat.com/ga/</url> </repository> </repositories> <!-- ... --> </project>Add
kafka-streamsto the<dependencies>section of yourpom.xmlfile.<?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"> <!-- ... --> <dependencies> <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka-streams</artifactId> <version>2.4.0.redhat-00005</version> </dependency> </dependencies> <!-- ... --> </project>- Build your Maven project.
