/// <summary>
/// Accepts a conjunctive-normal-form expression relevance evaluation visitor.
/// </summary>
/// <param name="visitor">CNF expression visitor.</param>
public Tuple <bool, bool> Accept(IElementCNFRelevanceEvaluationVisitor visitor)
{
bool positiveCondition = false;
bool negativeCondition = true;
foreach (var conjunct in this)
{
var result = conjunct.Accept(visitor);
positiveCondition |= result.Item1;
negativeCondition &= result.Item2;
if (!negativeCondition)
{
break;
}
}
return(Tuple.Create(positiveCondition, negativeCondition));
}
/// <summary>
/// Accepts a conjunctive-normal-form expression relevance evaluation visitor.
/// </summary>
/// <param name="visitor">CNF expression visitor.</param>
public override Tuple <bool, bool> Accept(IElementCNFRelevanceEvaluationVisitor visitor)
{
return(visitor.Visit(this));
}
/// <summary> /// Accepts a conjunctive-normal-form expression relevance evaluation visitor. /// </summary> /// <param name="visitor">CNF expression visitor.</param> public abstract Tuple <bool, bool> Accept(IElementCNFRelevanceEvaluationVisitor visitor);
