protected StepTaskEntityBase(ISequenceStep step, SlaveContext context, int sequenceIndex)
{
this.Context = context;
this.StepData = step;
this.Result = StepResult.NotAvailable;
this.SequenceIndex = sequenceIndex;
this.Actuator = ActuatorBase.GetActuator(step, context, sequenceIndex);
this.Coroutine = null;
// 只有在断言失败和调用异常都配置为终止执行时，该步骤才会被判断为失败后终止
if (null != StepData && StepData.HasSubSteps)
{
this.SubStepRoot = ModuleUtils.CreateSubStepModelChain(StepData.SubSteps, Context, sequenceIndex);
}
BreakIfFailed = (null == StepData) || (StepData.AssertFailedAction == FailedAction.Terminate &&
StepData.InvokeErrorAction == FailedAction.Terminate);
}