NewExecutor ...

ActivateTaskCommand ...

ActivityBranchStatus ...

ActivityContext ...

ActivityIterationStatus ...

BranchCompletedEvent ...

BranchContext ...

BranchStartedEvent ...

CompleteBranchCommand is triggered when an branch is complete, and this command will been replicated from leader to followers.

CompleteExecutionCommand is triggered when an execution is completed, and this command will been replicated from leader to followers.

CompleteIterationCommand is triggered when an iteration is complete, and this command will been replicated from leader to followers.

CompleteStateCommand is triggered when an State is complete, and this command will been replicated from leader to followers.

CompleteTaskCommand is triggered when an Task is complete, and this command will been replicated from leader to followers.

CreateTaskCommand is triggered when an `TaskState`、 `WaitState` or other task is ready to fired.

ExecutionCompletedEvent ...

ExecutionContext ...

ExecutionStartedEvent is result of `StartExecutionCommand`, and MUST followed it.

Executor ...

IterationCompletedEvent ...

IterationContext ...

IterationStartedEvent ...

StartBranchCommand is triggered when an ParallelState is started, and this command will been replicated from leader to followers.

StartExecutionCommand is triggered when an workflow is ready for execution, and this command will been replicated from leader to followers.

StartIterationCommand is triggered when an MapState is started, and this command will been replicated from leader to followers.

StartStateCommand is triggered when an State is ready for execution, and this command will been replicated from leader to followers.

StateCompletedEvent ...

StateStartedEvent ...

TaskActivatedEvent ...

TaskCompletedEvent ...

TaskContext ...

TaskCreatedEvent ...

Timestamp is the represent of `hybrid logical clock`.