public override bool Equals(Object o)
{
if (this == o)
{
return(true);
}
if ((o == null) || (this.GetType() != o.GetType()))
{
return(false);
}
UnarySentence ns = (UnarySentence)o;
return(ns.negated.Equals(negated));
}
public virtual Object visitNotSentence(UnarySentence ns, Object arg)
{
Hashtable s =(Hashtable)arg;
return new SetOps().union(s,(Hashtable)ns.getNegated().accept(this,arg));
}
public Object visitNotSentence(UnarySentence fs, Object arg)
{
Object negatedValue = fs.getNegated().accept(this,null);
if (negatedValue != null)
{
return (!((bool) negatedValue));
}
else
{
return null;
}
}