public void SingleStepWithDrawTest()
{
IUser user = (IUser)OguObjectSettings.GetConfig().Objects["approver2"].Object;
string procResourceId = GetStartWorkflowResourceID(user);
WfProcessCollection processes;
for (int i = 0; i < 2; i++)
{
processes = WfRuntime.GetProcessByResourceID(procResourceId);
MoveToExecutor(processes[0]);
}
processes = WfRuntime.GetProcessByResourceID(procResourceId);
IWfProcess process = processes[0];
Assert.AreEqual(2, process.ElapsedActivities.Count);
WfWithdrawExecutor exec = new WfWithdrawExecutor(process.CurrentActivity, process.CurrentActivity);
exec.Execute();
processes = WfRuntime.GetProcessByResourceID(procResourceId);
MoveToExecutor(processes[0]);
processes = WfRuntime.GetProcessByResourceID(procResourceId);
WfActivityCollection coll = processes[0].ElapsedActivities;
Assert.AreEqual(coll[coll.Count - 1].Descriptor.ToTransitions[0].ToActivity.Key, processes[0].CurrentActivity.Descriptor.Key);
//撤回的单步是指业务上的一步，如在上一步动态添加的两个点，则当前就会撤回到动态添加两个点的活动
}
protected override void OnModifyWorkflow(WfExecutorDataContext dataContext)
{
int targetActivityIndex = FindTargetActivityIndex(this.OriginalActivity);
(targetActivityIndex >= 0).FalseThrow<WfRuntimeException>("活动(ID={0}, Key={1})不能撤回", this.OriginalActivity.ID, this.OriginalActivity.Descriptor.Key);
WfActivityCollection clonedElapsedActivities = new WfActivityCollection();
IWfProcess process = this.OriginalActivity.Process;
clonedElapsedActivities.CopyFrom(process.ElapsedActivities);
dataContext["OriginalActivityID"] = process.CurrentActivity.ID;
//将流程实例活动点的状态设置为未运行
this.OriginalActivity.Process.Withdraw(clonedElapsedActivities[targetActivityIndex], this.CancelAllBranchProcesses);
//删除掉动态添加的点
for (int i = targetActivityIndex; i < clonedElapsedActivities.Count; i++)
{
IWfActivity act = clonedElapsedActivities[i];
process.Activities.FindAll(a => a.CreatorInstanceID == act.ID).ForEach(a => a.Delete());
}
if (this.CancelProcess)
process.CancelProcess(this.CancelAllBranchProcesses);
}
/// <summary>
///
/// </summary>
/// <param name="info"></param>
/// <param name="context"></param>
protected WfProcess(SerializationInfo info, StreamingContext context)
{
this._ID = info.GetString("ID");
this._ResourceID = info.GetString("ResourceID");
this._Activities = (WfActivityCollection)info.GetValue("Activities", typeof(WfActivityCollection));
this._Context = (WfProcessContext)info.GetValue("Context", typeof(WfProcessContext));
this._Status = (WfProcessStatus)info.GetValue("Status", typeof(WfProcessStatus));
this._StartTime = info.GetDateTime("StartTime");
this._EndTime = info.GetDateTime("EndTime");
this._Creator = (IUser)info.GetValue("Creator", typeof(IUser));
this._OwnerDepartment = (IOrganization)info.GetValue("OwnerDepartment", typeof(IOrganization));
this._EntryInfo = (WfBranchProcessInfo)info.GetValue("EntryInfo", typeof(WfBranchProcessInfo));
this._LoadingType = (DataLoadingType)info.GetValue("LoadingType", typeof(DataLoadingType));
WfProcessContextCache.Instance[this._ID] = this;
}
private WfProcessCollection GetDeletedProcesses(WfActivityCollection deletedActivities)
{
WfProcessCollection deletedProcesses = new WfProcessCollection();
foreach (IWfActivity activity in deletedActivities)
{
if (activity is IWfAnchorActivity)
{
foreach (IWfOperation operation in ((IWfAnchorActivity)activity).Operations)
{
foreach (WfBranchProcessInfo branchProcessInfo in operation.Branches)
{
deletedProcesses.Add(branchProcessInfo.Process);
WfProcessCollection deletedSubProcesses =
GetDeletedProcesses(branchProcessInfo.Process.Activities);
foreach (IWfProcess subProcess in deletedSubProcesses)
deletedProcesses.Add(subProcess);
}
}
}
}
return deletedProcesses;
}
private WfActivityCollection DoWithdraw(IWfActivity destinationActivity)
{
WfActivityCollection deletedActivities = new WfActivityCollection();
while (string.Compare(this.CurrentActivity.ID, destinationActivity.ID, true) != 0)
{
deletedActivities.Add(this.LastActivity);
Activities.Remove(this.LastActivity);
}
return deletedActivities;
}
