public EdgeResult EvaluateCondition(IMapElement mapElement)
{
bool isEdge = true;
bool isIncluded = false;
bool hasValidCondition = false;
foreach (IEdgeCondOp conditionOperation in ConditionOperations)
{
EdgeResult evalResult = conditionOperation.EvaluateCondition(mapElement);
/// If the operation we were given has a null Condition then we don't want to include this as it will dirty our result.
if (evalResult.IsEdge.HasValue)
{
hasValidCondition = true;
isEdge &= evalResult.IsEdge.Value;
isIncluded |= evalResult.IsIncluded;
/// This is just to squeeze a little more performance. If isEdge is false and isIncluded is true
/// then we can safely assume nothing will further change these values (consider the AND and OR
/// operators being used for each) and so we can end early.
if (!isEdge && isIncluded)
{
break;
}
}
}
if (hasValidCondition)
{
return new EdgeResult() { IsEdge = isEdge, IsIncluded = isIncluded };
}
else
{
return new EdgeResult() { IsEdge = null, IsIncluded = false };
}
}
}