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);
}
public void Withdraw(IWfActivity destinationActivity)
{
ExceptionHelper.FalseThrow <ArgumentNullException>(destinationActivity != null, "destinationActivity");
lock (this)
{
ExceptionHelper.FalseThrow <WfEngineException>(this.Activities.ContainsKey(destinationActivity.ID),
Resource.InvalidWithdrawActivityID, destinationActivity.ID);
if (this.CurrentActivity != destinationActivity &&
string.Compare(this.CurrentActivity.ID, destinationActivity.ID, true) != 0)
{
WfActivityCollection deletedActivities = DoWithdraw(destinationActivity);
WfProcessCollection deletedProcesses = GetDeletedProcesses(deletedActivities);
((WfActivityBase)destinationActivity).Status = WfActivityStatus.Running;
this.Status = WfProcessStatus.Running;
WorkflowSettings.GetConfig().EnqueueWorkItemExecutor.EnqueueWithdrawWorkItem(
destinationActivity,
deletedActivities,
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);
}
/// <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;
}