/// <summary>
/// 获取回退线路
/// </summary>
/// <returns>路线</returns>
protected Transition GetHistoryTransition(Node entry)
{
Transition transition = null;
Dictionary <String, Object> queryArg = new Dictionary <string, object>
{
{ "InstanceID", entry.InstanceID },
{ "Direction", (int)WorkflowOpertaion.Go }
};
WorkflowProcess process = ProcessService
.Query(queryArg).Where(c => c.Destination == entry.ID)
.FirstOrDefault();
if (process != null && entry.NodeType != WorkflowNodeCategory.Start)
{
transition = TransitionService.Query(entry.InstanceID).FirstOrDefault(e => e.NID == process.TransitionID);
}
return(transition);
}