Simple Camunda Example

This is an evolving project that uses Camunda (BPMN Engine) and Spring Boot to showcase a simple workflow automation project with multiple use cases.

Resources

1. Camunda - https://camunda.com/
2. Camunda Modeler - https://camunda.com/download/modeler/
3. Spring Boot - https://spring.io/projects/spring-boot
4. Quick Start Tutorial - https://docs.camunda.org/get-started/quick-start

Usage

Docker

1. Run docker-compose up -d to start the camunda instance.
2. Confirm that camunda has started by going to http://localhost:8080/camunda-welcome/index.html

OR

Spring Boot

1. Run CamundaService application in the camunda-service module.
2. Confirm that camunda has started by going to http://localhost:8080/

Payment Retrieval Flow

Manual

1. Open the sample BPMN file (resources/templates/payment.bpmn) and sample DMN file (resources /templates/approve-payment.dmn) in camunda modeler and deploy them to camunda.
2. Go to Tasklist (http://localhost:8080/camunda/app/tasklist) and log in with the credentials “demo / demo”
3. Click on the Start Process button to start a process instance.
4. Select Payment Retrieval from the list.
5. Add the following variables for the process instance using the generic form.
   1. amount
   2. item
   3. receiver
   4. message
6. Click Start
7. If the amount is less than 1000, a task will be created for user approval in Tasklist.
8. If the amount is more than or equal to 1000, the workflow will complete successfully.

Programmatic

1. Adjust the values in PaymentRetrieval
2. Run Application as SpringBoot application.