/// <summary>
/// Vraca presek u kolekciji koja ce biti istog tipa kao i source parametar
/// </summary>
/// <param name="source">kolekcija sa cijim se imenima poredi</param>
/// <param name="second"></param>
/// <param name="cst"></param>
/// <returns></returns>
public static IValuePairs getCrossSection(this IValuePairs source, IValuePairs second, crossSectionType cst)
{
IValuePairs output = Activator.CreateInstance(source.GetType(), null) as IValuePairs;
//IValuePairs output = source.GetType().getInstance() as IValuePairs;
return(_getCrossSection(output, source, second, cst));
}
/// <summary>
/// Vraca presek koji ce biti dostavljen u odabranom tipu kolekcije
/// </summary>
/// <typeparam name="TVP"></typeparam>
/// <param name="source"></param>
/// <param name="second"></param>
/// <param name="cst"></param>
/// <returns></returns>
public static TVP getCrossSection <TVP>(this IValuePairs source, IValuePairs second, crossSectionType cst)
where TVP : class, IValuePairs, new()
{
TVP output = new TVP();
return(_getCrossSection(output, source, second, cst) as TVP);
}
/// <summary>
/// Dodaje pojene za prosleđene parove
/// </summary>
/// <param name="ivp"></param>
public void Add(IValuePairs ivp)
{
foreach (String k in ivp.Keys)
{
if (!score.ContainsKey(k))
{
score.Add(k, 0);
}
score[k]++;
}
}
/// <summary>
/// Vraca IValuePair sa vrednostima koje je uzeo iz IDictionary dataSource-a -- ne sme da bude ekstenzija jer ce puci XmlSerijalizacija
/// </summary>
/// <typeparam name="TVP"></typeparam>
/// <param name="selectedFields"></param>
/// <param name="dataSource"></param>
/// <returns></returns>
public static TVP getValues <TVP>(this IValuePairs selectedFields, IDictionary dataSource)
where TVP : class, IValuePairs, new()
{
TVP output = new TVP();
foreach (String eMI in selectedFields.Keys)
{
if (dataSource.Contains(eMI as Object))
{
output.Add(eMI, dataSource[eMI as Object]);
}
}
return(output);
}
private static IValuePairs _getCrossSection(IValuePairs output, IValuePairs source, IValuePairs second,
crossSectionType cst)
{
foreach (String eMI in source.Keys)
{
if (second.ContainsKey(eMI))
{
if (second[eMI] == source[eMI])
{
switch (cst)
{
case crossSectionType.differentValues:
break;
case crossSectionType.sameValues:
output.Add(eMI, second[eMI]);
break;
}
}
else
{
switch (cst)
{
case crossSectionType.differentValues:
output.Add(eMI, second[eMI]);
break;
case crossSectionType.sameValues:
break;
}
}
}
}
return(output);
}
///bool ContainsKey(string name);
///
///
/// <summary>
/// Vraca pairs koji predstavljaju rezultat operacije nad skupom
/// </summary>
/// <remarks>
/// Vraca vrednosti is second-a
/// </remarks>
/// <param name="second"></param>
/// <param name="cst"></param>
/// <returns></returns>
public IValuePairs getCrossSection(IValuePairs second, crossSectionType cst)
{
return(IValuePairsExtension.getCrossSection(this, second, cst));
}