Mastering Microservices with Java - Third Edition

Task definitions (blueprint of tasks)

Processes or workflows are defined using workflow definitions in Netflix Conductor. Workflow definitions contain in-built tasks known as system tasks and/or user-defined tasks. A user-defined task can be defined using TaskDef. These are a blueprint of the actual task.

We need to define the TaskDef instance first before we use them in workflow blueprints. As shown in the following snippet, a task blueprint is created with the name Constants.TASK_HTTP (task_http). You can set retry and timeout properties; otherwise, it will take default properties. Similarly, you can set the optional inputKeys and outputKeys properties, which define which keys this task would use as input and output:

private TaskDef createTaskHttp() ...