The Boomerang Flow Workflow service provides the CRUD backing the front-end web tier, as well as the APIs for direct consumption, and the executor for the workflow tasks.
Flow service provides APIs for:
- User & Team Management
- Creating / Updating workflows
- Executing workflows as Directed acyclic graph (DAG)
- Java 11
- Spring Boot 2.3
- Maven
This service listen and consumes CloudEvents.
The Java Quartz library is used for running scheduled jobs via mongoDB and underpins the Schedule trigger.
The following links will help provide guidance in development
- http://www.quartz-scheduler.org/documentation/quartz-2.2.2/tutorials/tutorial-lesson-04.html
- http://www.quartz-scheduler.org/documentation/2.4.0-SNAPSHOT/cookbook/UpdateTrigger.html
- https://github.com/StackAbuse/spring-boot-quartz/blob/master/src/main/java/com/stackabuse/service/SchedulerJobService.java
- https://stackabuse.com/guide-to-quartz-with-spring-boot-job-scheduling-and-automation/
Security is enabled / disabled through the flow.authorization.enabled flag in the application.properties
The following classes are conditionally loaded based on this flag
| Class | Condition | | AuthenticationFilter | true | | InterceptorConfig (and by association SecurityInterceptor) | true | | SecurityConfiguration | true | | SecurityDisabledConfiguration | false |