public static NodeTraceItemResponse ConstructData(List <NodeTracer> source)
{
if (source == null || source.Count == 0)
{
return(null);
}
var orderDic = new Dictionary <long, List <NodeTracer> >();
for (int i = 0; i < source.Count; i++)
{
var item = source[i];
if (!orderDic.TryGetValue(item.PreviousEventID, out var targetList))
{
targetList = new List <NodeTracer>();
orderDic.Add(item.PreviousEventID, targetList);
}
targetList.Add(item);
}
var resDic = new Dictionary <long, List <NodeTraceItemResponse> >();
foreach (var item in orderDic)
{
var groupData = item.Value.GroupBy(item => item.EventID).ToList();
if (!resDic.ContainsKey(item.Key))
{
resDic.Add(item.Key, new List <NodeTraceItemResponse>());
}
for (int i = 0; i < groupData.Count; i++)
{
var thisLoop = groupData[i].OrderBy(item => item.TimeStamp).ToList();
var model = new NodeTraceItemResponse();
if (thisLoop.Count > 0)
{
var begin = thisLoop[0];
model.TraceID = begin.TraceID;
model.NodeID = begin.NodeID;
model.Path = begin.Path;
model.EventID = begin.EventID;
model.BeginCustomData = begin.CustomData;
model.BeginTimeStamp = begin.TimeStamp;
model.QueryString = begin.QueryString;
model.PreviousNodeID = string.Empty;
model.Type = begin.Type;
}
if (thisLoop.Count > 1)
{
var end = thisLoop[1];
model.EndCustomData = end.CustomData;
model.EndTimeStamp = end.TimeStamp;
}
resDic[item.Key].Add(model);
}
}
var root = ConstructByData(resDic, null);
return(root);
}
private static NodeTraceItemResponse ConstructByData(
Dictionary <long, List <NodeTraceItemResponse> > data,
NodeTraceItemResponse parent
)
{
if (parent == null)
{
parent = data[0][0];
ConstructByData(data, parent);
return(parent);
}
else if (data.TryGetValue(parent.EventID, out var nextNodes))
{
parent.NextNode.AddRange(nextNodes);
for (int i = 0; i < nextNodes.Count; i++)
{
ConstructByData(data, nextNodes[i]);
}
}
return(null);
}