December 2018
Beginner
186 pages
4h 10m
English
Content preview from Apache Kafka Quick Start Guide
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Java PlainProducer
As we already know, to build a Kafka Message producer that we use the Java client library, in particular the producer API (in the following chapters, we will see how to use Kafka Streams and KSQL).
The first thing we need is a data source; to make it simple we need to produce our mock data. Each message will be a health message with all of its attributes. The first step is to build a producer to send these messages in JSON format to a topic, as in the example:
{"event":"HEALTH_CHECK","factory":"Port Roelborough","serialNumber":"QT89-TZ50","type":"GEOTHERMAL","status":"SHUTTING_DOWN","lastStartedAt":"2018-09-13T00:36:39.079+0000","temperature":28.0,"ipAddress":"235.180.238.3"}{"event":"HEALTH_CHECK","factory":"Duckburg","serialNumber":"NB49-XL51","type":"NUCLEAR","status":"RUNNING","lastStartedAt":"2018-08-18T05:42:29.648+0000","temperature":49.0,"ipAddress":"42.181.105.188"} ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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