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 WfBranchProcessInfoCollection LoadBranches()
{
WfBranchProcessInfoCollection resultCollection = new WfBranchProcessInfoCollection();
IWorkflowReader persistProcess = WorkflowSettings.GetConfig().Reader;
List <string> branchProcessIDs = persistProcess.GetBranchProcessIDsByOperationID(this.ID);
WfProcessCollection processes = WfRuntime.GetWfProcesses(branchProcessIDs.ToArray());
IWfProcess[] processesArray = new IWfProcess[processes.Count];
int i = 0;
foreach (IWfProcess process in processes)
{
((WfBranchProcessInfo)process.EntryInfo).OwnerOperation = this;
processesArray[i++] = process;
}
//按照子流程的序号排序
Array.Sort <IWfProcess>(processesArray,
delegate(IWfProcess process1, IWfProcess process2)
{
return(Math.Sign(process1.EntryInfo.Sequence - process2.EntryInfo.Sequence));
});
foreach (IWfProcess process in processesArray)
{
resultCollection.Add(process.EntryInfo);
}
return(resultCollection);
}
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 static void FillProcessesFromPersistence(WfProcessCollection processes, List <string> notInCacheIDs)
{
if (notInCacheIDs.Count > 0)
{
IWorkflowReader persistProcess = WorkflowSettings.GetConfig().Reader;
WfProcessCollection tempCollection = persistProcess.LoadProcesses(notInCacheIDs.ToArray());
foreach (IWfProcess tempProcess in tempCollection)
{
processes.Add(tempProcess);
AddProcessToCache(tempProcess.ID, tempProcess);
}
}
}
