//searches the ACV tree and triggers the ACVFound event when it reaches the size limit of the tree
private void traverseACVTree(ACVTreeNode node, List<Visit> visits, List<Visit> currentACV, int index, int size, int maxSize, Visit isIncluded)
{
int count = 0;
if(node.Visit != null)
currentACV.Add(node.Visit);
if (size == maxSize)
{
this.ACVFound(this, new ACVFoundArgs(new ACV(currentACV)));
return;
}
for (int i = index; i < visits.Count; i++)
{
if (node.Visit == null && isIncluded != null && count < 1)
{
if(isIncluded.equals(visits[i]))
{
node.addChild(new ACVTreeNode(visits[i], node));
count++;
break;
}
}
else
{
node.addChild(new ACVTreeNode(visits[i], node));
}
}
foreach (ACVTreeNode n in node.Children)
{
traverseACVTree(n, visits, new List<Visit>(currentACV), ++index, size + 1, maxSize, isIncluded);
}
}
public bool IsSafe(List<Patient> patients, int acvSize, Visit mustInclude)
{
bool safe = true;
this._safetyPatientsBuffer = new List<Patient>();
Stopwatch sw = new Stopwatch();
this.FindACVs(acvSize,
(Patient sender, ACVFoundArgs args) =>
{
sw.Start();
ACV acv = args.ACV;
int matchCount = 0;
if(safe){
foreach (Patient p in patients)
{
if (p.MatchesACV(acv) && p.ID != this.ID)
{
matchCount++;
this._safetyPatientsBuffer.Add(p);
if (matchCount >= this._safeNessThreshold)
{
break;
}
}
}
}
if(matchCount < this._safeNessThreshold)
{
safe = false;
}
sw.Stop();
},
mustInclude
);
if (safe)
{
this._safe = true;
}
else
{
this._safe = false;
}
return safe;
}
public bool IsStillSafe(List<Patient> patients, int acvSize, Visit newVisit)
{
if (!this._safetyAssessed)
return this.IsSafe(patients, acvSize, null);
if(this._safe == true)
return this.IsSafe(patients, acvSize, newVisit);
return false;
}
//check if the patient currently has a visit
public bool HasVisit(Visit visit)
{
foreach (Visit v in this._visits)
{
if (v.ID == visit.ID)
{
return true;
}
}
return false;
}
//public hook to search the tree
/*public void FindACVs(int maxSize)
{
if (this.Visits.Count > 0)
{
ACVTreeNode root = new ACVTreeNode(null, null);
List<Visit> currentACV = new List<Visit>();
this.traverseACVTree(root, this.Visits, currentACV, 0, 0, maxSize, null);
}
}*/
//public hook to search the tree and register a callback
public void FindACVs(int maxSize, ACVFoundEventHandler callback, Visit mustInclude)
{
this.Visits = DbMethods.getInstance().getPatientVisits(this.ID);
this.ACVFound = callback;
if (this.Visits.Count > 0)
{
ACVTreeNode root = new ACVTreeNode(null, null);
List<Visit> currentACV = new List<Visit>();
this.traverseACVTree(root, this.Visits, currentACV, 0, 0, maxSize, mustInclude);
}
}
//adds a visit to the patient
public void AddVisit(Visit visit)
{
if (this.HasVisit(visit))
{
throw new Exception("This patient already has this visit");
}
this._visits.Add(visit);
visit.Patient = this;
}
//checkes if this visit is equal to a specified visit
public bool equals(Visit v)
{
if (!(v.Date.Date == this._date.Date))
{
return false;
}
if (!(v.RationalID == this._rationalID))
{
return false;
}
return true;
}
public ACVTreeNode(Visit visit, ACVTreeNode parent)
{
this._children = new List<ACVTreeNode>();
this._parent = parent;
this._visit = visit;
}