namespace Deltares.Standard.Specifications
{
    public class NotEqualSpecification<TCandidate, TValue> : ValueBoundSpecification<TCandidate, TValue>
    {
        public NotEqualSpecification(string attributeName, TValue attributeValue)
            : base(attributeName, attributeValue)
        {
        }

        /// <summary>
        /// Determines whether the candidate satisfies the specification.
        /// </summary>
        /// <param name="candidate">The candidate to test.</param>
        /// <returns>
        ///   <c>true</c> if the candidate satisfies the specification otherwise, <c>false</c>.
        /// </returns>
        public override bool IsSatisfiedBy(TCandidate candidate)
        {
            TValue actual = this.GetCandidateTValue(candidate);
            return !(actual.Equals(this.AttributeValue));
        }
    }
}