Interface for the Specification pattern.

ISpecification.cs

namespace Foundation.Specifications
{
    /// <summary>
    /// Interface for a specification.
    /// </summary>
    /// <typeparam name="T">The type specified.</typeparam>
    /// <seealso href="http://www.lostechies.com/blogs/chrismissal/archive/2009/09/10/using-the-specification-pattern-for-querying.aspx" />
    public interface ISpecification<T>
    {
        /// <summary>
        /// Determines whether the specification is satisfied by the specified candidate.
        /// </summary>
        /// <param name="candidate">The candidate.</param>
        /// <returns>
        /// 	<c>true</c> if the specification is satisfied by the specified candidate; otherwise, <c>false</c>.
        /// </returns>
        bool IsSatisfiedBy(T candidate);
    }
}