/// <summary>
/// Start Next Activity
/// </summary>
/// <param name="last">last activity</param>
/// <param name="activities">all activities</param>
/// <returns>true if there is a next activity</returns>
private bool StartNext(MWFActivity last, MWFActivity[] activities)
{
log.Config("Last=" + last);
// transitions from the last processed node
MWFNodeNext[] transitions = GetWorkflow().GetNodeNexts(last.GetAD_WF_Node_ID(), last.GetAD_Client_ID());
if (transitions == null || transitions.Length == 0)
{
log.Config("none");
return(false); // done
}
// We need to wait for last activity
if (MWFNode.JOINELEMENT_AND.Equals(last.GetNode().GetJoinElement()))
{
// get previous nodes
// check if all have closed activities
// return false for all but the last
}
// eliminate from active processed
//last.SetProcessed(true);
last.Set_ValueNoCheck("Processed", true);
last.Save();
// Start next activity
String split = last.GetNode().GetSplitElement();
for (int i = 0; i < transitions.Length; i++)
{
// Is this a valid transition?
if (!transitions[i].IsValidFor(last))
{
continue;
}
// Start new Activity
MWFActivity activity = new MWFActivity(this, transitions[i].GetAD_WF_Next_ID());
// set Last Activity ID property in current WF Activity
activity.SetLastActivity(last.GetAD_WF_Activity_ID());
// new Thread(activity).Start();
//thred = new Thread(new ThreadStart(activity.Run));
//thred.CurrentCulture = Utility.Env.GetLanguage(Utility.Env.GetContext()).GetCulture(Utility.Env.GetLoginLanguage(Utility.Env.GetContext()).GetAD_Language());
//thred.CurrentUICulture = Utility.Env.GetLanguage(Utility.Env.GetContext()).GetCulture(Utility.Env.GetLoginLanguage(Utility.Env.GetContext()).GetAD_Language());
activity.Run();
// thred.Start();
// only the first valid if XOR
if (MWFNode.SPLITELEMENT_XOR.Equals(split))
{
return(true);
}
} // for all transitions
return(true);
}
/// <summary>
/// Check Status of Activities.
/// - update Process if required
/// - start new activity
/// </summary>
public void CheckActivities()
{
log.Info(ToString());
if (_state.IsClosed())
{
return;
}
//
MWFActivity[] activities = GetActivities(true, true); // requery active
String closedState = null;
bool suspended = false;
bool running = false;
for (int i = 0; i < activities.Length; i++)
{
MWFActivity activity = activities[i];
activity.SetAD_Window_ID(GetAD_Window_ID());
StateEngine activityState = activity.GetState();
// Completed - Start Next
if (activityState.IsCompleted() || activityState.IsBackground())
{
if (StartNext(activity, activities))
{
continue;
}
}
//
String activityWFState = activity.GetWFState();
if (activityState.IsClosed() || activityState.IsBackground())
{
// eliminate from active processed
//activity.SetProcessed(true);
activity.Set_ValueNoCheck("Processed", true);
//activities
activity.Save();
//
if (closedState == null)
{
closedState = activityWFState;
}
else if (!closedState.Equals(activityState))
{
// Overwrite if terminated
if (WFSTATE_Terminated.Equals(activityState))
{
closedState = activityWFState;
}
// Overwrite if activity aborted and no other terminated
else if (WFSTATE_Aborted.Equals(activityState) && !WFSTATE_Terminated.Equals(closedState))
{
closedState = activityWFState;
}
}
}
else // not closed
{
closedState = null; // all need to be closed
if (activityState.IsSuspended())
{
suspended = true;
}
if (activityState.IsRunning())
{
running = true;
}
}
} // for all activities
if (activities.Length == 0)
{
SetTextMsg("No Active Processed found");
closedState = WFSTATE_Terminated;
}
if (closedState != null)
{
if (closedState == StateEngine.STATE_BACKGROUND)
{
_state.SetState(StateEngine.STATE_BACKGROUND);
}
SetWFState(closedState);
GetPO();
if (_po != null)
{
_po.Unlock(Get_TrxName());
}
}
else if (suspended)
{
SetWFState(WFSTATE_Suspended);
}
else if (running)
{
SetWFState(WFSTATE_Running);
}
}