/// <summary>
/// Executes the query.
/// </summary>
/// <returns>
/// string that reprsent the result
/// </returns>
public string Execute()
{
if (fromYear == -1 && toYear == -1)
{
fromYear = GetYear();
toYear = GetYear();
}
Delegate[] arr = queriesList.GetInvocationList();
int queryNum = rand.Next(arr.Length);
SelfExecuterHeuristics h = ((HeuristicsBank.YearHeuristics)arr[queryNum])(user, fromYear, toYear);
return(h.Executer(conn));
}
/// <summary>
/// Executes the query.
/// </summary>
/// <returns>
/// string that reprsent the result
/// </returns>
public string Execute()
{
Genre genre = null;
if (!genreName.Equals(string.Empty))
{
genre = Entities.EntitiesFactory.GetGenreFromGenreName(genreName, conn);
if (genre == null)
{
return("No such genre");
}
}
Delegate[] arr = queriesList.GetInvocationList();
int queryNum = rand.Next(arr.Length);
SelfExecuterHeuristics h = ((HeuristicsBank.GenreHeuristics)arr[queryNum])(user, genre);
return(h.Executer(conn));
}
/// <summary>
/// Executes the query.
/// </summary>
/// <returns>
/// string that reprsent the result
/// </returns>
public string Execute()
{
Place place = null;
if (!placeName.Equals(string.Empty))
{
place = Entities.EntitiesFactory.GetPlaceFromPlaceName(placeName, conn);
if (place == null)
{
return("No such place");
}
}
Delegate[] arr = queriesList.GetInvocationList();
int queryNum = rand.Next(arr.Length);
SelfExecuterHeuristics h = ((HeuristicsBank.PlaceHeuristics)arr[queryNum])(user, place);
return(h.Executer(conn));
}