コード例 #1
0
        /// <summary>
        /// Makes the predicate.
        /// </summary>
        /// <param name="e1">The e1.</param>
        /// <param name="e2">The e2.</param>
        /// <param name="members">The members.</param>
        /// <param name="negate">if set to <c>true</c> [negate].</param>
        /// <returns></returns>
        protected Expression MakePredicate(Expression e1, Expression e2, IEnumerable <MemberInfo> members, bool negate)
        {
            var pred = members.Select(m => QueryBinder.BindMember(e1, m).Equal(QueryBinder.BindMember(e2, m))).Join(ExpressionType.And);

            if (negate)
            {
                pred = Expression.Not(pred);
            }
            return(pred);
        }