// TODO con quale timestamp si calcola?
public void ComputeProximityCorrelation()
{
DateTime fromDate = new DateTime();
DateTime toDate = new DateTime();
if (fromNode is FuzzyNodeCluster)
{
FuzzyNodeCluster fcn = (FuzzyNodeCluster)fromNode;
DateTime max = new DateTime();
foreach (FuzzyNode fn in fcn.GetNodesInCluster())
{
if (Convert.ToDateTime(fn.GetAttributes()["time:timestamp"][0]) > max)
{
max = Convert.ToDateTime(fn.GetAttributes()["time:timestamp"][0]);
}
}
fromDate = max;
}
else
{
fromDate = Convert.ToDateTime(fromNode.GetAttributes()["time:timestamp"][0]);
}
if (toNode is FuzzyNodeCluster)
{
FuzzyNodeCluster fcn = (FuzzyNodeCluster)toNode;
DateTime min = new DateTime();
foreach (FuzzyNode fn in fcn.GetNodesInCluster())
{
if (Convert.ToDateTime(fn.GetAttributes()["time:timestamp"][0]) < min)
{
min = Convert.ToDateTime(fn.GetAttributes()["time:timestamp"][0]);
}
}
fromDate = min;
}
else
{
toDate = Convert.ToDateTime(toNode.GetAttributes()["time:timestamp"][0]);
}
if ((fromDate != null) && (toDate != null))
{
long timeFrom = fromDate.Ticks;
long timeTo = toDate.Ticks;
if (timeFrom != timeTo)
{
proximityCorrelation = (1 / (timeFrom - timeTo));
}
else
{
proximityCorrelation = 1;
}
}
else
{
proximityCorrelation = 0;
}
}
public FuzzyEdge(FuzzyNode from, FuzzyNode to)
{
this.fromNode = from;
this.toNode = to;
this.durationsList = new List <double>();
ComputeEndpointCorrelation();
if (fromNode.GetAttributes().Keys.Contains <string>("time:timestamp") && toNode.GetAttributes().Keys.Contains <string>("time:timestamp"))
{
ComputeProximityCorrelation();
}
if (fromNode.GetAttributes().Keys.Contains <string>("org:resource") && toNode.GetAttributes().Keys.Contains <string>("org:resource"))
{
ComputeOriginatorCorrelation();
}
}