/// <summary>
/// Transition to another step
/// </summary>
public void Transition(PipExecutionStep toStep, bool force = false)
{
if (!force && !Step.CanTransitionTo(toStep))
{
Contract.Assert(false, I($"Cannot transition from {Step} to {toStep}"));
}
Step = toStep;
if (toStep == PipExecutionStep.Done)
{
End();
}
}