public FetchItemServiceResponse<Graph<UserDto>> CreateEgoNetwork(Graph<UserDto> graph, int egoNetworkCenterId)
{
FetchItemServiceResponse<Graph<UserDto>> response = new FetchItemServiceResponse<Graph<UserDto>>();
try
{
if (graph.EgoEdges.Count > 0)
{
foreach (Edge<UserDto> egoEdge in graph.EgoEdges)
{
graph.Edges.RemoveWhere(x => x.Node1.Id == egoEdge.Node1.Id && x.Node2.Id == egoEdge.Node2.Id);
}
}
EgoNetwork egoNetwork = new EgoNetwork();
HashSet<HashSet<Node<UserDto>>> subGraphs = egoNetwork.FindConectedSubgraphs(graph);
Node<UserDto> egoNetworkCenter = graph.GetNodeById(egoNetworkCenterId);
if (egoNetworkCenter == null)
{
throw new Exception("Ego center node was not found.");
}
HashSet<Node<UserDto>> nodesWithMAximalDegreeInSubgraphsAximalDegreeInSubgraph = egoNetwork.GetNodesWithMaximalDegreeInSubgraphs(subGraphs, egoNetworkCenter);
foreach (Node<UserDto> node in nodesWithMAximalDegreeInSubgraphsAximalDegreeInSubgraph)
{
Edge<UserDto> newEdge = new Edge<UserDto>()
{
Node1 = egoNetworkCenter,
Node2 = node
};
graph.AddEdge(newEdge);
graph.EgoEdges.Add(newEdge);
}
graph.SetDegrees();
double eiIndex = egoNetwork.GetEIIndex(graph, egoNetworkCenter);
double effectiveSizeOfEgo = egoNetwork.GetEffectiveSizeOfEgo(graph, egoNetworkCenter);
int connectedCommunities = egoNetwork.GetNumberOfConnectedCommunities(graph, egoNetworkCenter);
graph.Nodes.First(x => x.Id == egoNetworkCenter.Id).EIIndex = eiIndex;
graph.Nodes.First(x => x.Id == egoNetworkCenterId).EffectiveSize = effectiveSizeOfEgo;
graph.Nodes.First(x => x.Id == egoNetworkCenterId).CommunitiesConnected = connectedCommunities;
response.Succeeded = true;
response.Item = graph;
}
catch (Exception e)
{
response.Succeeded = false;
throw new Exception(e.Message);
}
return response;
}
// Command line argument: C:\Users\dilet\Desktop\TwitterDB
static void Main(string[] args)
{
Console.WriteLine("Ego-Network Analysis Start (" + DateTime.Now.ToString() + ")\n");
// Commandline Arguments
string dirPath = args[0] + Path.DirectorySeparatorChar;
// DB(.sqlite) List
string[] dbCollection = Directory.GetFiles(dirPath, "*.sqlite");
// Outfile Setting
string outFilePath = args[0] + Path.DirectorySeparatorChar + "EgoNetwork_Analysis.txt";
if (File.Exists(outFilePath))
{
File.Delete(outFilePath);
}
// <Ego, dbPath> Sorted by Ego ID(Ascending)
SortedDictionary <long, string> egoList = new SortedDictionary <long, string>();
foreach (string dbPath in dbCollection)
{
long egoID = long.Parse(Path.GetFileNameWithoutExtension(dbPath));
egoList.Add(egoID, dbPath);
}
// Ego-Network Analysis
foreach (KeyValuePair <long, string> kvp in egoList)
{
long egoID = kvp.Key;
string dbPath = kvp.Value;
SQLiteAdapter dbAdapter = new SQLiteAdapter(dbPath);
Console.WriteLine(egoID + " Started");
// Configure Ego-Network
EgoNetwork egoNetwork = new EgoNetwork(egoID);
// Construct Ego-Network Information
egoNetwork.setNetworkInformation(dbAdapter);
// Anaylize Ego-Network
egoNetwork.startNetworkAnalysis(dbAdapter, outFilePath);
dbAdapter.closeDB();
}
}
// Command line argument: C:\Users\dilet\Desktop\TwitterDB
static void Main(string[] args)
{
Console.WriteLine("Ego-Network Analysis Start (" + DateTime.Now.ToString() + ")\n");
// Commandline Arguments
string dirPath = args[0] + Path.DirectorySeparatorChar;
// DB(.sqlite) List
string[] dbCollection = Directory.GetFiles(dirPath, "*.sqlite");
// Outfile Setting
string outFilePath = args[0] + Path.DirectorySeparatorChar + "EgoNetwork_Analysis.txt";
if (File.Exists(outFilePath))
File.Delete(outFilePath);
// <Ego, dbPath> Sorted by Ego ID(Ascending)
SortedDictionary<long, string> egoList = new SortedDictionary<long, string>();
foreach(string dbPath in dbCollection)
{
long egoID = long.Parse(Path.GetFileNameWithoutExtension(dbPath));
egoList.Add(egoID, dbPath);
}
// Ego-Network Analysis
foreach(KeyValuePair<long, string> kvp in egoList)
{
long egoID = kvp.Key;
string dbPath = kvp.Value;
SQLiteAdapter dbAdapter = new SQLiteAdapter(dbPath);
Console.WriteLine(egoID + " Started");
// Configure Ego-Network
EgoNetwork egoNetwork = new EgoNetwork(egoID);
// Construct Ego-Network Information
egoNetwork.setNetworkInformation(dbAdapter);
// Anaylize Ego-Network
egoNetwork.startNetworkAnalysis(dbAdapter, outFilePath);
dbAdapter.closeDB();
}
}
