Orchestrator for Red Hat Developer Hub

id: greeting
version: '1.0'
specVersion: '1.0'
name: Greeting workflow
description: YAML based greeting workflow
annotations:
  - "workflow-type/infrastructure"

# Workflows use schemas, in JSON Schema format, to validate inputs
dataInputSchema:
  # Schemas are stored relative to the workflow source. Find all files at:
  # github.com/rhdhorchestrator/serverless-workflows/blob/main/workflows/greeting/
  schema: schemas/greeting.sw.input-schema.json
  failOnValidationErrors: true

# Reusable logic can be defined using functions
functions:
  - name: greetFunction
    # Can be "rest", "rpc", "expression", or "custom"
    type: custom
    # If type is "rest" this would be a URL, but we're using a
    # custom "sysout" functionality provided by SonataFlow
    operation: sysout

  - name: successResult
    # Here we evaluate an expression
    type: expression
    # Expressions are following JSONata spec (https://jsonata.org/)
    operation: '{ "result": { "message": "Greeting workflow completed successfully", "outputs":[ { "key":"Selected language", "value": .language }, { "key":"Greeting message", "value": .greeting } ] } }'
start:
  stateName: ChooseOnLanguage
states:
  - dataConditions:
      # The language variable is part of the workflow inputs
      # defined in the input schema
      - condition: .language  == "English"
        transition:
          nextState: GreetInEnglish
      - condition: .language  == "Spanish"
        transition:
          nextState: GreetInSpanish
    defaultCondition:
      transition:
        nextState: GreetInEnglish
    name: ChooseOnLanguage
    type: switch
  - data:
      greeting: Hello from YAML Workflow
    name: GreetInEnglish
    transition:
      nextState: GreetPerson
    type: inject
  - data:
      greeting: Saludos desde YAML Workflow
    name: GreetInSpanish
    transition:
      nextState: GreetPerson
    type: inject
  - actionMode: sequential
    actions:
      - actionDataFilter:
          useResults: true
        functionRef:
          arguments:
            message: .greeting
          invoke: sync
          refName: greetFunction
        name: greetAction
      - actionDataFilter:
          useResults: true
        functionRef:
          invoke: sync
          refName: successResult
        name: setOutput
    end:
      terminate: true
    name: GreetPerson
    type: operation