private void EvaluateNextRecursiveItem(sysBpmsElement element, List <sysBpmsTask> list)
{
switch ((sysBpmsElement.e_TypeLU)element.TypeLU)
{
case sysBpmsElement.e_TypeLU.Event:
this.GetRecursiveBeginElements(element.ID, element.ProcessID, list);
break;
case sysBpmsElement.e_TypeLU.Gateway:
this.GetRecursiveBeginElements(element.ID, element.ProcessID, list);
break;
case sysBpmsElement.e_TypeLU.Task:
sysBpmsTask task = this.Context.sysBpmsTasks.AsNoTracking().FirstOrDefault(c => c.ProcessID == element.ProcessID && c.ElementID == element.ID);
switch ((sysBpmsTask.e_TypeLU)task.TypeLU)
{
case sysBpmsTask.e_TypeLU.ServiceTask:
this.GetRecursiveBeginElements(task.ElementID, element.ProcessID, list);
break;
case sysBpmsTask.e_TypeLU.UserTask:
list.Add(task);
break;
}
break;
}
}
private void GetRecursiveBeginElements(string elementID, Guid processId, List <sysBpmsTask> list)
{
foreach (sysBpmsSequenceFlow item in this.Context.sysBpmsSequenceFlows.Where(c => c.SourceElementID == elementID).AsNoTracking().ToList())
{
sysBpmsElement element = this.Context.sysBpmsElements.AsNoTracking().FirstOrDefault(c => c.ProcessID == processId && c.ID == item.TargetElementID);
this.EvaluateNextRecursiveItem(element, list);
}
}
public void Delete(string elementId, Guid processId)
{
sysBpmsElement Element = this.Context.sysBpmsElements.FirstOrDefault(d => d.ID == elementId && d.ProcessID == processId);
if (Element != null)
{
this.Context.sysBpmsElements.Remove(Element);
}
}
public ResultOperation Add(sysBpmsElement Element)
{
ResultOperation resultOperation = new ResultOperation();
if (resultOperation.IsSuccess)
{
this.UnitOfWork.Repository <IElementRepository>().Add(Element);
this.UnitOfWork.Save();
}
return(resultOperation);
}
public ResultOperation Update(sysBpmsElement element)
{
ResultOperation resultOperation = new ResultOperation();
if (resultOperation.IsSuccess)
{
element.Name = element.Name.ToStringObj().Trim();
this.UnitOfWork.Repository <IElementRepository>().Update(element);
this.UnitOfWork.Save();
}
return(resultOperation);
}
public void Update(sysBpmsElement element)
{
//To fix 'Attaching an entity failed' error.
var local = this.Context.Set <sysBpmsElement>().Local.FirstOrDefault(f => f.ID == element.ID);
if (local != null)
{
this.Context.Entry(local).State = EntityState.Detached;
local = null;
}
this.Context.Entry(element.Clone()).State = EntityState.Modified;
}
/// <summary>
/// used for finding all tasks from an inclusive gateway element to start event.
/// </summary>
/// <param name="element">first time it is inclusive gateway</param>
private void GetRecursiveTraceToStart(sysBpmsElement element, List <string> listTaskID,
List <string> listEvaluatedID, List <sysBpmsElement> listElement,
List <sysBpmsSequenceFlow> listSequenceFlow, List <string> listTracedItems)
{
if (listEvaluatedID.Contains(element.ID))
{
return;
}
if (element.TypeLU == (int)sysBpmsElement.e_TypeLU.Event)
{
sysBpmsEvent sysBpmsEvent = new EventService().GetInfo(element.ID, element.ProcessID);
if (sysBpmsEvent.TypeLU != (int)sysBpmsEvent.e_TypeLU.IntermediateThrow || sysBpmsEvent.TypeLU != (int)sysBpmsEvent.e_TypeLU.IntermediateCatch)
{
return;
}
}
if (element.TypeLU == (int)sysBpmsElement.e_TypeLU.Task)
{
if (!listTaskID.Contains(element.ID))
{
listTaskID.Add(element.ID);
}
}
if (element.TypeLU == (int)sysBpmsElement.e_TypeLU.Event ||
element.TypeLU == (int)sysBpmsElement.e_TypeLU.Gateway)
{
listTracedItems.Add(element.ID);
}
foreach (sysBpmsSequenceFlow item in listSequenceFlow.Where(c => c.SourceElementID != element.ID && c.TargetElementID == element.ID))
{
if (!listTracedItems.Any(c => c == item.SourceElementID))
{
this.GetRecursiveTraceToStart(listElement.FirstOrDefault(c => c.ID == item.SourceElementID), listTaskID, listEvaluatedID, listElement, listSequenceFlow, listTracedItems);
}
}
}
public void Add(sysBpmsElement element)
{
this.Context.sysBpmsElements.Add(element);
}