protected override Maybe <DesignSmell> DetectCore(IType t)
{
var Few = 3;
var amwAverage = 2;
var wmcAverage = 14;
var nomAverage = 7;
var bur = BaseClassUsageRatio.Value(t);
var bovr = BaseClassOverridingRatio.Value(t);
var nprotm = NumberOfProtectedMembers.Value(t);
var wmc = WeightedMethodCount.Value(t);
var nom = t.NbMethods;
var amw = AverageMethodWeight.Value(t);
var childClassIgnoresBequest = nprotm > Few && bur < CommonFractionThreshold.OneThird ||
bovr < CommonFractionThreshold.OneThird;
var childClassIsNotTooSmallAndSimple = (amw > amwAverage || wmc > wmcAverage) && nom > nomAverage;
if (nprotm > 0 && childClassIgnoresBequest && childClassIsNotTooSmallAndSimple)
{
return(Maybe <DesignSmell> .From(
new DesignSmell
{
Name = "Refused Parent Bequest",
Severity = CalculateSeverity(bur, bovr),
SourceFile = t.SourceFile(),
Source = t
}));
}
return(Maybe <DesignSmell> .None);
}
public Maybe <DesignSmell> Detect(IType t)
{
var wmcVeryHigh = 47;
var atfd = AccessToForeignDataForType.Value(t);
var wmc = WeightedMethodCount.Value(t);
var tcc = TotalClassCohesion.Value(t);
if (atfd > Few && wmc >= wmcVeryHigh && tcc < CommonFractionThreshold.OneThird)
{
return(Maybe <DesignSmell> .From(new DesignSmell
{
Name = "God Class", Severity = CalculateSeverity(atfd), SourceFile = t.SourceFile(), Source = t
}));
}
return(Maybe <DesignSmell> .None);
}
public Maybe <DesignSmell> Detect(IType t)
{
var woc = WeightOfAClass.Value(t);
var wmc = WeightedMethodCount.Value(t);
IList <IMember> publicAttributes = t.PublicAttributes().ToList();
var nopa = publicAttributes.Count;
IList <IMember> accessors = t.Accessors().ToList();
var noam = accessors.Count;
if (woc < CommonFractionThreshold.OneThird &&
(nopa + noam > Few && wmc < 31 ||
nopa + noam > 8 && wmc < 47))
{
return(Maybe <DesignSmell> .From(
new DesignSmell
{
Name = "Data Class", Severity = CalculateSeverity(publicAttributes, accessors, t), SourceFile = t.SourceFile(), Source = t
}));
}
return(Maybe <DesignSmell> .None);
}
