void IWorkItemService.Release(WorkItem workItem)
{
if (workItem.Status != WorkItemStatus.Open)
{
throw new InvalidOperationException(string.Format("不能释放处于{0}状态的任务", workItem.Status));
}
workItem.ChangeStatus(WorkItemStatus.New);
_repository.Update(workItem);
//释放任务会释放slot，需要将该节点的NoSlot的任务置为New
if (workItem.GetReferredSetting().IsUsingSlot)
{
_repository.FindWorkItemsByActivityInstance(workItem.Process, workItem.ActivityInstance)
.Where(o => o.Status == WorkItemStatus.NoSlot).ToList()
.ForEach(o =>
{
o.ChangeStatus(WorkItemStatus.New);
_repository.Update(workItem);
});
}
}