processing_a_step.md

Process diagram for step processing

This diagram is an attempt to map out the step process to aid performance optimizations. It is not and exhaustive map of all calls in the process.

Sequence Diagram

sequenceDiagram
    participant C As StepsController
    participant A As Activity
    participant S As Step
    participant SE As StepExecution
    participant SBTI As Steps::BackgroundTasks::Inference
    participant SBTR As Steps::BackgroundTasks::Runner
    participant ISE As InferenceEngines::Runner::StepExecution
    C->>A: create_step

    alt background_step
      A->>S: create!
      S-->>A: instance
      A->>+S: run
      S->>S: create_job
      S-)S: perform_job
      S->>S: process
      alt has_operations
        S--)S:remake_me
      else
        S->>SE: plan
        SE-->>S: updates
        S->>S: apply_changes
      end

      alt has step action
        S->>ISE:plan
        ISE->>ISE:generate_plan
        ISE->>ExternalScript:Execute
        ExternalScript-->>ISE:plan

        ISE-->>S:updates
        S->>S: apply_changes
      end



      deactivate S
    else cwm
      A->>SBTI: create!
      SBTI-->>A: instance
      A->>+SBTI: run
      deactivate SBTI
    else runner
      A->>SBTR: create!
      SBTR-->>A: instance
      A->>+SBTR: run
      deactivate SBTR
    end

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