public SimilarityResult Analyze(ICodeSimilarityMetricCalculator selMetric, ProgrammingProblem problem)
{
DateTime current = DateTime.Now;
SimilarityResult result = new SimilarityResult(problem, selMetric);
for (int i = 0; i < problem.NumSol; i++)
{
for (int j = 0; j < problem.NumSol; j++)
{
if (i != j)
{
StudentSolution sol1 = result.getSimilarityObject(i, j).Solution1;
StudentSolution sol2 = result.getSimilarityObject(i, j).Solution2;
double measure = selMetric.CalculateSimilarityMeasure(sol1, sol2);
result.setSimilarity(i, j, measure);
result.setSimilarity(j, i, measure);
}
else
{
result.setSimilarity(i, i, 1.0); // neæemo ga usporeðivati sa samim sobom
}
}
}
System.Windows.Forms.MessageBox.Show("Runtime: " + DateTime.Now.Subtract(current).ToString());
return(result);
}
public void LoadProblemFromDatabase(string pathName)
{
OleDbConnection dbConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + pathName);
dbConnection.Open();
OleDbCommand dbCommand = dbConnection.CreateCommand();
dbCommand.CommandText = "select * from Pitanje";
OleDbDataReader dbReader = dbCommand.ExecuteReader();
while (dbReader.Read())
{
int idPitanja = (int)dbReader.GetValue(1);
int idPredmeta = (int)dbReader.GetValue(2);
ProgrammingProblem newProblem = new ProgrammingProblem();
newProblem.ProblemID = Convert.ToString(idPredmeta) + " - " + Convert.ToString(idPitanja);
OleDbCommand solCommand = dbConnection.CreateCommand();
solCommand.CommandText = "select * from StudentskoRjesenje WHERE IDPitanja = " + Convert.ToString(idPitanja) + " AND IDPredmeta = " + Convert.ToString(idPredmeta);
OleDbDataReader solReader = solCommand.ExecuteReader();
while (solReader.Read())
{
newProblem.addStudentSolution(solReader.GetValue(7).ToString(), solReader.GetValue(1).ToString());
}
_listLoadedProblems.Add(newProblem);
}
// uèitavamo sve fajlove
/*DirectoryInfo di = new DirectoryInfo(pathName);
* FileInfo[] rgFiles = di.GetFiles("*.txt");
*
* foreach (FileInfo fi in rgFiles)
* {
* newProblem.addStudentSolution(fi);
* }
*
* _listLoadedProblems.Add(newProblem);*/
dbConnection.Close();
}
public void LoadProblemFromDirectory(string pathName, string problemID)
{
ProgrammingProblem newProblem = new ProgrammingProblem();
newProblem.ProblemID = problemID;
// uèitavamo sve fajlove
DirectoryInfo di = new DirectoryInfo(pathName);
FileInfo[] rgFiles = di.GetFiles("*.txt");
foreach (FileInfo fi in rgFiles)
{
newProblem.addStudentSolution(fi);
}
_listLoadedProblems.Add(newProblem);
}
public SimilarityResult(ProgrammingProblem inProblem, ICodeSimilarityMetricCalculator inMetric)
{
_usedMetric = inMetric;
int numSol = inProblem.ListSolutions.Count;
_matSolutionsSimilarity = new SolutionsSimilarity[numSol, numSol];
for (int i = 0; i < numSol; i++)
{
for (int j = 0; j < numSol; j++)
{
_matSolutionsSimilarity[i, j] = new SolutionsSimilarity();
_matSolutionsSimilarity[i, j].Solution1 = inProblem.ListSolutions[i];
_matSolutionsSimilarity[i, j].Solution2 = inProblem.ListSolutions[j];
_matSolutionsSimilarity[i, j].SimilarityMeasure = 0.0;
}
}
}
public SimilarityResult BatchAnalyze(ICodeSimilarityMetricCalculator selMetric, ProgrammingProblem problem)
{
DateTime current = DateTime.Now;
SimilarityResult result = new SimilarityResult(problem, selMetric);
StudentSolution[] solutions = new StudentSolution[problem.NumSol];
for (int i = 0; i < problem.NumSol; i++)
{
solutions[i] = result.getSimilarityObject(i, i).Solution1;
}
double [,] tmp = new double[problem.NumSol, problem.NumSol];
tmp = selMetric.BatchSimilarityMeasure(solutions);
for (int i = 0; i < problem.NumSol; i++)
{
for (int j = 0; j < problem.NumSol; j++)
{
if (i != j)
{
double measure = tmp[i, j];
result.setSimilarity(i, j, measure);
result.setSimilarity(j, i, measure);
}
else
{
result.setSimilarity(i, i, 1.0); // neæemo ga usporeðivati sa samim sobom
}
}
}
System.Windows.Forms.MessageBox.Show("Runtime: " + DateTime.Now.Subtract(current).ToString());
return(result);
}
