Custom rule to get contact visit count

This is custom rule to get current visitor total visit count and check with specific value.

public class VisitorVisitCountRule<T> : OperatorCondition<T> where T : RuleContext
    {
        public int No
        {
            get;
            set;
        }

        protected override bool Execute(T ruleContext)
        {
            int contactVisitIndex = Sitecore.Analytics.Tracker.Current.Contact.VisitCount;

            switch (base.GetOperator())
            {
                case ConditionOperator.Equal:
                    return contactVisitIndex == this.No;
                case ConditionOperator.GreaterThanOrEqual:
                    return contactVisitIndex >= this.No;
                case ConditionOperator.GreaterThan:
                    return contactVisitIndex > this.No;
                case ConditionOperator.LessThanOrEqual:
                    return contactVisitIndex <= this.No;
                case ConditionOperator.LessThan:
                    return contactVisitIndex < this.No;
                case ConditionOperator.NotEqual:
                    return contactVisitIndex != this.No;
                default:
                    return false;
            }
        }

    }