/// <summary>
/// calculates the maximum similarity of the provided source against
/// all sources for the given asignment in the reference database
/// </summary>
/// <param name="student"></param>
/// <param name="assignment"></param>
/// <param name="source"></param>
public void Start(string student, string assignment, string source)
{
cLogger.DebugFormat("starting with threshold {0}", Threshold);
TokenFactory factory = new MutexTokenFactory();
var tokens = factory.GetTokenWrapperListFromSource(source);
//LexerHelper.CreateLexerFromSource(source).GetTokenWrappers().ToList();
cLogger.Debug("tokenized source... loading Data Repository");
var repo = Repository.GetRepository();
comparisonModel = new ComparisonModel(tokens, repo.LoadByAssignment(assignment), factory);
comparisonModel.Calculate();
var sourceEntityData = new SourceEntityData(student, assignment, tokens.ToStringEnumerable(), source);
repo.Store(sourceEntityData, MaximumSimilarity < Threshold);
}
/// <summary>
/// stores the data
/// </summary>
/// <param name="data"></param>
/// <param name="keepForTests"></param>
public void Store(SourceEntityData data, bool keepForTests)
{
var command = new SQLiteCommand(keepForTests ? referenceConnection : archiveConnection)
{
CommandText = SQL_INSERT_SET,
CommandType = CommandType.Text,
Parameters =
{
new SQLiteParameter("@student", data.StudentIdentifier),
new SQLiteParameter("@assignment", data.AssignmentIdentifier),
new SQLiteParameter("@sourcecode", data.RawSource),
new SQLiteParameter("@tokens", SerializeTokens(data.Tokens))
}
};
cLogger.DebugFormat("storing '{0}' by '{1}'", data.AssignmentIdentifier, data.StudentIdentifier);
cLogger.DebugFormat("tokens stored: {0}", SerializeTokens(data.Tokens));
command.ExecuteNonQuery();
}
/// <summary>
/// stores the data
/// </summary>
/// <param name="data"></param>
/// <param name="keepForTests"></param>
public void Store(SourceEntityData data, bool keepForTests)
{
var command = new SQLiteCommand(keepForTests ? referenceConnection : archiveConnection)
{
CommandText = SQL_INSERT_SET,
CommandType = CommandType.Text,
Parameters =
{
new SQLiteParameter("@student", data.StudentIdentifier),
new SQLiteParameter("@assignment", data.AssignmentIdentifier),
new SQLiteParameter("@sourcecode", data.RawSource),
new SQLiteParameter("@tokens", SerializeTokens(data.Tokens))
}
};
cLogger.DebugFormat("storing '{0}' by '{1}'", data.AssignmentIdentifier, data.StudentIdentifier);
cLogger.DebugFormat("tokens stored: {0}", SerializeTokens(data.Tokens));
command.ExecuteNonQuery();
}
