Add a Source
About This Task
As described in the HDF Overview, Stream Builder offers you four types of builder components: sources, processors, sinks, and custom components. You can start building your application by adding a source.
Prerequisites
You have configured Schema Registry and integrated with SAM.
Steps
Drag a source builder component onto the canvas.
The following illustration shows a Kafka tile component created by dragging the Kafka icon to the workspace:
Double-click the tile to begin configuring Kafka.
After you specify a Kafka topic name, SAM communicates with Schema Registry and displays the schema:
Add the additional components you want to use to develop your stream app.
Result
When you have added and correctly configured your stream app components, the component tile displays a green dot on the left. You cannot connect a source to different proecssors or sinks until it is correctly configured.
More Information