private FuzzySubexpression AddPremiseImpl(FuzzyConnectiveType?conjunction, FuzzyValue fuzzyValue)
{
FuzzySubexpression subexpr;
if (this.premise.Count == 0)
{
subexpr = new FuzzySubexpression(FuzzyConnectiveType.None, fuzzyValue);
}
else
{
subexpr = new FuzzySubexpression(conjunction ?? FuzzyConnectiveType.And, fuzzyValue);
}
this.premise.Add(subexpr);
return(subexpr);
}
public FuzzySubexpression AddConclusion(FuzzyValue fuzzyValue)
{
FuzzySubexpression fs;
if (this.conclusion.Count == 0)
{
fs = new FuzzySubexpression(FuzzyConnectiveType.None, fuzzyValue);
}
else
{
fs = new FuzzySubexpression(FuzzyConnectiveType.And, fuzzyValue);
}
this.conclusion.Add(fs);
return(fs);
}
public FuzzySubexpression AddEmptyConclusion()
{
FuzzySubexpression fs;
if (this.conclusion.Count == 0)
{
fs = new FuzzySubexpression(FuzzyConnectiveType.None, null);
}
else
{
fs = new FuzzySubexpression(FuzzyConnectiveType.And, null);
}
this.conclusion.Add(fs);
return(fs);
}
public FuzzyRule Clone()
{
FuzzyRule copy = new FuzzyRule();
foreach (FuzzySubexpression fs in this.premise)
{
FuzzySubexpression fs_copy = fs.Clone();
copy.premise.Add(fs_copy);
}
foreach (FuzzySubexpression fs in this.conclusion)
{
FuzzySubexpression fs_copy = fs.Clone();
copy.conclusion.Add(fs_copy);
}
return(copy);
}
public bool RemoveConclusion(FuzzySubexpression subexpression)
{
if (!this.conclusion.Contains(subexpression))
{
return(false);
}
this.conclusion.Remove(subexpression);
// W pierwszej konkluzji usuń spójnik; nie ma on w takim przypadku sensu.
if (this.conclusion.Count > 0 && this.conclusion[0].ConnectiveType != FuzzyConnectiveType.None)
{
this.conclusion[0].ConnectiveType = FuzzyConnectiveType.None;
}
return(true);
}