QueryLimit.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//

using System;

namespace Deveel.Data.Sql {
    public sealed class QueryLimit {
        public QueryLimit(long total) 
            : this(-1, total) {
        }

        public QueryLimit(long offset, long count) {
            if (count < 1)
                throw new ArgumentException("The limit clause must have at least one element.");
            if (offset < 0)
                offset = 0;

            Offset = offset;
            Count = count;
        }

        public long Offset { get; private set; }

        public long Count { get; private set; }
    }
}