public void similarHistoryTest()
{
Patient p1 = new Patient(1);
Patient p2 = new Patient(2);
Patient p3 = new Patient(3);
DateTime now = DateTime.Now;
p1.AddVisit(new Visit(1, 1, 1, now));
p1.AddVisit(new Visit(2, 1, 2, now));
p1.AddVisit(new Visit(3, 1, 3, now));
p1.AddVisit(new Visit(4, 1, 3, now.AddDays(1)));
p2.AddVisit(new Visit(5, 1, 1, now));
p2.AddVisit(new Visit(6, 1, 2, now));
p3.AddVisit(new Visit(7, 1, 3, now));
p3.AddVisit(new Visit(8, 1, 3, now.AddDays(2)));
bool result = p1.HasSimilarVisits(p2, 0.5f);
Assert.True(result == true);
result = p1.HasSimilarVisits(p3, 0.5f);
Assert.True(result == false);
result = p1.HasSimilarVisits(p3, 0.25f);
Assert.True(result == true);
result = p1.HasSimilarVisits(p2, 0.75f);
Assert.True(result == false);
}
//generate data for iteration 1
public void createIteration1PatientsAndVisits(int numberOfPatients)
{
Random random = new Random();
List<Patient> patients = new List<Patient>();
List<Patient> globallySimilarPatients = new List<Patient>();
List<Patient> globallyNonSimilarPatients = new List<Patient>();
List<PatientMatchNode> patientMatchNodes = new List<PatientMatchNode>();
float globallySimilarPatientsThreshold = 0.1f;
float globallyNonSimilarPatientsThreshold = 0.1f;
int requiredNumberOfGloballySimilarPatients = (int)((globallySimilarPatientsThreshold * numberOfPatients) + 0.5f);
int requiredNumberOfGloballyNonSimilarPatients = (int)((globallyNonSimilarPatientsThreshold * numberOfPatients) + 0.5f);
int currentNumberOfGloballySimilarPatients = 0;
int currentNumberOfGloballyNonSimilarPatients = 0;
DateTime maxRangeStart = new DateTime(2011, 01, 01);
DateTime maxRangeEnd = new DateTime(2011, 12, 31);
DateTime rangeStart = Util.getRandomDate(maxRangeStart, maxRangeEnd.AddMonths(-1));
DateTime rangeEnd = rangeStart.AddDays(15);
int randRationalMin = 1;
int randRationalMax = 5;
DbMethods.getInstance().clearTables();
for (int i = 0; i < numberOfPatients; i++)
{
int patientID = i;
DbMethods.getInstance().InsertPatient();
Patient patient = new Patient(patientID);
PatientMatchNode patientNode = new PatientMatchNode(patient);
int numberOfVisits = random.Next(10, 20);
bool restart = true;
do
{
patient.ClearVisits();
//generate directed visits
for (int j = 0; j < numberOfVisits; j++)
{
Visit v = new Visit(-1, random.Next(1, 100), random.Next(randRationalMin, randRationalMax), Util.getRandomDate(rangeStart, rangeEnd));
if (!patient.HasVisit(v))
{
patient.AddVisit(v);
}
else
{
j--;
}
}
if (requiredNumberOfGloballySimilarPatients > 0)
{
//SIMILAR PATIENTS
foreach (PatientMatchNode n in patientMatchNodes)
{
if (n.Patient.HasSimilarVisits(patient, 0.5f))
{
n.addMatch(patient);
restart = false;
}
}
List<PatientMatchNode> nodesToRemove = new List<PatientMatchNode>();
foreach (PatientMatchNode n in patientMatchNodes)
{
if (n.getMatchesNumber() >= 4)
{
requiredNumberOfGloballySimilarPatients--;
globallySimilarPatients.Add(n.Patient);
nodesToRemove.Add(n);
}
}
foreach (PatientMatchNode n in nodesToRemove)
{
patientMatchNodes.Remove(n);
}
nodesToRemove.Clear();
if(patientMatchNodes.Count < requiredNumberOfGloballySimilarPatients)
{
patientMatchNodes.Add(patientNode);
restart = false;
}
}
else if (requiredNumberOfGloballyNonSimilarPatients > 0)
{
//NON-SIMILAR PATIENTS
rangeStart = maxRangeStart;
rangeEnd = maxRangeEnd;
bool hasSimilar = false;
foreach (Patient p in patients)
{
if (!patient.HasNoSimilarVisits(p))
{
hasSimilar = true;
}
}
if (!hasSimilar)
{
restart = false;
requiredNumberOfGloballyNonSimilarPatients--;
globallyNonSimilarPatients.Add(patient);
}
}
else
{
bool hasSimilar = false;
foreach (Patient p in globallyNonSimilarPatients)
{
if (!patient.HasNoSimilarVisits(p))
{
hasSimilar = true;
}
}
if (!hasSimilar)
{
restart = false;
}
}
}
while(restart);
//adding the visits
foreach (Visit v in patient.Visits)
{
DbMethods.getInstance().InsertVisit(patientID, v.ProfessionalID, v.RationalID, v.Date);
}
patients.Add(patient);
}
}