private string GetComparedText()
{
if (Compared is DBNull)
{
return("(null)");
}
if (Compared is string && ((string)Compared).Length == 0)
{
return("(empty)");
}
return(Compared.ToString());
}
public static bool HasBeenCompared(object obj, object to)
{
Assert.AreNotSame(obj, to);
// only carry on to compare facets if first time
if (Compared.ContainsKey(obj))
{
Assert.AreSame(Compared[obj], to);
return(true);
}
Compared[obj] = to;
return(false);
}
public static bool HasBeenCompared(ISpecification spec, object to)
{
Assert.AreNotSame(spec, to);
// only carry on to compare facets if first time
if (Compared.ContainsKey(spec))
{
Assert.AreSame(Compared[spec], to);
return(true);
}
Compared[spec] = to;
return(false);
}
public override bool Validate()
{
int value = Compared.GetValue();
foreach (int flag in flags)
value = value & ~flag;
if (value > 0)
{
List<int> unsupported_flags = new List<int>();
string bits = Convert.ToString(value, 2);
for (int i = 0; i < bits.Length; ++i)
{
if (bits[i] == '1')
{
unsupported_flags.Add((int)Math.Pow(2, (bits.Length - i - 1)));
}
}
Description = Compared.Name + " contains unsupported flags: " + String.Join(", ", unsupported_flags);
return false;
}
return true;
}
public override bool Validate()
{
switch (compareType)
{
case CompareType.EQUALS:
return Compared.GetValue() == CompareTo.GetValue();
case CompareType.NOT_EQUALS:
return Compared.GetValue() != CompareTo.GetValue();
case CompareType.LOWER_THAN:
return Compared.GetValue() < CompareTo.GetValue();
case CompareType.GREATER_THAN:
return Compared.GetValue() > CompareTo.GetValue();
case CompareType.LOWER_OR_EQUALS:
return Compared.GetValue() <= CompareTo.GetValue();
case CompareType.GREATER_OR_EQUALS:
return Compared.GetValue() >= CompareTo.GetValue();
case CompareType.BETWEEN:
return Compared.GetValue() >= CompareTo.GetValue() && Compared.GetValue() <= max;
}
return false;
}
public void ResetRules()
{
rankComaparison = TTRule.Compare;
afterCompareCallback = null;
}
/// <summary>
/// Compare items[<paramref name="indA"/>] > item[<paramref name="indB"/>]
/// </summary>
protected bool Compare(int indA, int indB)
{
Compared?.Invoke(indA, indB);
ComprasionsCount++;
return(collection[indA] > collection[indB]);
}
public bool IsSmaller(int pos1, int pos2)
{
Compared?.Invoke(pos1, pos2);
return(Get(pos1) < Get(pos2));
}
public bool IsBigger(int pos1, int pos2)
{
Compared?.Invoke(pos1, pos2);
return(Get(pos1) > Get(pos2));
}
public bool IsEqual(int pos1, int pos2)
{
Compared?.Invoke(pos1, pos2);
return(Get(pos1) == Get(pos2));
}