qnreck / temporal-demo

Getting Started

Temporal

• Start Temporal cluster using Docker: cd temporal-docker then docker-compose up.
• Default Temporal Engine Server will be run at the address localhost:7233.
• Go to http://localhost:8088/ to monitor the Temporal Workflows and histories.

App Structure + Services

• ExampleWorkflow, ExampleWorkflowImpl: the Workflow definition and its logical implementation.
• TemporalWorkflowProcess: the Workflow Process, will be used to run all the logic of ExampleWorkflow.
• TemporalWorkerOne, TemporalWorkerTwo: 2 Workers of ExampleWorkflow, will be used to run a specific action, defined by ExampleWorkflowImpl.
• TemporaldemoApplication: the SpringBoot Web Application that will be used as the Controller for the Workflow. We can Start, trigger Signal, do Query on the workflow

Run the TemporaldemoApplication

All actions can be done by a GET request to the following URL:

• GET http://localhost:8080/testing/start: Start the Workflow
• GET http://localhost:8080/testing/trigger: Trigger the Signal to workflow for inputting 13 Greeting's name to the running workflow
• GET http://localhost:8080/testing/get: Send a Query to workflow and get back the current Greetings name inside the Workflow.
• GET http://localhost:8080/testing/bye: Trigger the Signal to end the waiting, then Complete the Workflow.

Monitoring

• Each Services will have their own Console to display all the logging when running.
• Temporal can be monitor by the application http://localhost:8088/.

That's all..!!