public static INetElementBarriers GetNetElementBarriers(esriElementType type)
{
INetElementBarriersGEN sgen = null;
IList junBarriers = null;
int num2;
if (type == esriElementType.esriETJunction)
{
if (m_JunBarriers.Count == 0)
{
return(null);
}
junBarriers = m_JunBarriers;
}
else if (type == esriElementType.esriETEdge)
{
if (m_EdgeBarriers.Count == 0)
{
return(null);
}
junBarriers = m_EdgeBarriers;
}
if (junBarriers == null)
{
return(null);
}
sgen = new NetElementBarriersClass
{
ElementType = type,
Network = m_pAnalystGN.Network
};
IList list2 = new ArrayList();
IList list3 = new ArrayList();
IList list4 = null;
for (num2 = 0; num2 < junBarriers.Count; num2++)
{
NetFlagWrap wrap = junBarriers[num2] as NetFlagWrap;
int userClassID = wrap.NetFlag.UserClassID;
int index = list2.IndexOf(userClassID);
if (index == -1)
{
list2.Add(userClassID);
list4 = new ArrayList();
list4.Add(wrap.NetFlag.UserID);
list3.Add(list4);
}
else
{
list4 = list3[index] as IList;
list4.Add(wrap.NetFlag.UserID);
}
}
for (num2 = 0; num2 < list2.Count; num2++)
{
list4 = list3[num2] as IList;
int[] array = new int[list4.Count];
list4.CopyTo(array, 0);
sgen.SetBarriers((int)list2[num2], ref array);
}
return(sgen as INetElementBarriers);
}
public static List <int> StreamTrace(IGeometricNetwork geometricNetwork, StartFlagEdge edge, List <int> disabledFeatureClassIds, StopperJunctions stoppers, bool isUpStream, int maxFeatureCount, ServerLogger logger)
{
esriFlowMethod direction = isUpStream ? esriFlowMethod.esriFMUpstream : esriFlowMethod.esriFMDownstream;
if (null == geometricNetwork || null == edge || maxFeatureCount <= 0)
{
return(null);
}
ITraceFlowSolverGEN traceFlowSolver = new TraceFlowSolverClass() as ITraceFlowSolverGEN;
INetSolver netSolver = traceFlowSolver as INetSolver;
netSolver.SourceNetwork = geometricNetwork.Network;
INetFlag netFlag = new EdgeFlagClass();
netFlag.UserClassID = edge.FeatureClassID;
netFlag.UserID = edge.FeatureID;
//no idea when to assign -1, when to do 0
netFlag.UserSubID = -1;
traceFlowSolver.PutEdgeOrigins(new IEdgeFlag[1] {
netFlag as IEdgeFlag
});
if (null != disabledFeatureClassIds)
{
foreach (int il in disabledFeatureClassIds)
{
if (il > 0)
{
netSolver.DisableElementClass(il);
}
}
}
if (null != stoppers && null != stoppers.Stoppers && stoppers.Stoppers.Length > 0)
{
INetElementBarriersGEN netBarriersGEN = null;
netBarriersGEN = new NetElementBarriersClass() as INetElementBarriersGEN;
netBarriersGEN.ElementType = esriElementType.esriETJunction;
netBarriersGEN.Network = geometricNetwork.Network;
netBarriersGEN.SetBarriers(stoppers.FeatureClassID, stoppers.Stoppers);
netSolver.set_ElementBarriers(esriElementType.esriETJunction, netBarriersGEN as INetElementBarriers);
}
IEnumNetEID junctionEIDs = null;
IEnumNetEID edgeEIDs = null;
traceFlowSolver.TraceIndeterminateFlow = false;
try
{
traceFlowSolver.FindFlowElements(direction, esriFlowElements.esriFEEdges, out junctionEIDs, out edgeEIDs);
if (null != edgeEIDs)
{
if (edgeEIDs.Count <= maxFeatureCount)
{
IEIDHelper eidHelper = new EIDHelperClass();
eidHelper.GeometricNetwork = geometricNetwork;
eidHelper.ReturnGeometries = false;
eidHelper.ReturnFeatures = true;
//eidHelper.AddField("FType");
IEnumEIDInfo eidInfos = eidHelper.CreateEnumEIDInfo(edgeEIDs);
eidInfos.Reset();
IEIDInfo eidInfo = null;
List <int> ftrs = new List <int>();
//IFeature cadFtr = null;
//int ftype;
while ((eidInfo = eidInfos.Next()) != null)
{
ftrs.Add(eidInfo.Feature.OID);
/*cadFtr = eidInfo.Feature;
* if (null != cadFtr.get_Value(edgeTypeId) && int.TryParse(cadFtr.get_Value(edgeTypeId).ToString(), out ftype))
* {
* if(460 == ftype || 558 == ftype)
* ftrs.Add(cadFtr);
* }*/
}
return(ftrs);
}
}
}
catch (Exception e)
{
if (null != logger)
{
logger.LogMessage(ServerLogger.msgType.error, typeof(AOUtilities).Name + "." + System.Reflection.MethodBase.GetCurrentMethod().Name, ErrorCode, e.Message);
}
}
finally
{
ReleaseCOMObj(traceFlowSolver);
}
return(null);
}