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39 lines
692 B
39 lines
692 B
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Web.Core.DB {
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public class Diapasone {
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public readonly long start;
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public readonly long count;
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/// <summary>
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/// Diapasone total value of null means that it has not yet been computed
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/// </summary>
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public long? total {
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get;
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set;
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}
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public Diapasone(long start, long count) {
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this.start = start;
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this.count = count;
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this.total = null;
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}
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public static Diapasone unlimited {
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get {
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return new Diapasone(0, -1);
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}
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}
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public static Diapasone first {
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get {
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return new Diapasone(0, 1);
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}
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}
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}
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}
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