internal IWfActivity InnerMoveTo(WfTransferParamsBase transferParams)
{
ExceptionHelper.FalseThrow <ArgumentNullException>(transferParams != null, "transferParams");
//如果流程没有启动，且一个点都没有，则自动设为运行状态
if (this.Status == WfProcessStatus.NotRunning && this.Activities.Count == 0)
{
this.Status = WfProcessStatus.Running;
}
else
if (this.Status == WfProcessStatus.Completed) //如果流程已经结束，那么流程状态应该变为运行状态
{
this.Status = WfProcessStatus.Running;
}
CheckProcessRunningStatus();
CheckActivityMoveToCondition();
IWfActivity activity = null;
//生成下一个新的活动点
if (transferParams.NextActivityDescriptor is IWfAnchorActivityDescriptor)
{
activity = this.Factory.CreateAnchorActivity(this, (WfBranchesTransferParams)transferParams);
}
else
{
activity = this.Factory.CreateActivity(this, transferParams.NextActivityDescriptor);
}
activity.Operator = transferParams.Operator;
//当前点与新的活动点连接,并设置好相关指针
if (CurrentActivity != null)
{
((WfActivityBase)CurrentActivity).ConnectToNextActivity(activity);
((WfActivityBase)CurrentActivity).Status = WfActivityStatus.Completed;
}
//加入点集合并设置好新的活动点
Activities.Add(activity);
activity.Assignees.CopyFrom(transferParams.Receivers);
///设置的
if (transferParams.FromTransitionDescriptor != null)
{
activity.Context["FromTransitionDescriptor"] = transferParams.FromTransitionDescriptor.Key;
}
DoComplete(activity);
return(activity);
}
/// <summary>
///
/// </summary>
/// <param name="transferParams"></param>
/// <returns></returns>
public IWfActivity MoveTo(WfTransferParamsBase transferParams)
{
lock (this)
{
IWfActivity activity = InnerMoveTo(transferParams);
if (this.CurrentActivity.FromTransition == null)
{
WorkflowSettings.GetConfig().EnqueueWorkItemExecutor.EnqueueMoveToWorkItem(
null, this.CurrentActivity);
}
else
{
WorkflowSettings.GetConfig().EnqueueWorkItemExecutor.EnqueueMoveToWorkItem(
this.CurrentActivity.FromTransition.FromActivity, this.CurrentActivity);
}
return(activity);
}
}
