101 lines
3.3 KiB
C#
101 lines
3.3 KiB
C#
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//-----------------------------------------------------------------------
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// <copyright file="ColumnInfo.cs" company="Microsoft Corporation">
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// Copyright (c) Microsoft Corporation.
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// </copyright>
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//-----------------------------------------------------------------------
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namespace Microsoft.Isam.Esent.Interop
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{
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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/// <summary>
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/// Information about one Esent column. This is not an interop
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/// class, but is used by the meta-data helper methods.
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/// </summary>
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public sealed class ColumnInfo
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{
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/// <summary>
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/// The default value of the column.
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/// </summary>
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private readonly ReadOnlyCollection<byte> defaultValue;
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/// <summary>
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/// Initializes a new instance of the ColumnInfo class.
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/// </summary>
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/// <param name="name">Name of the column.</param>
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/// <param name="columnid">ID of the column.</param>
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/// <param name="coltyp">Type of the column.</param>
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/// <param name="cp">Codepage of the column.</param>
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/// <param name="maxLength">Maximum length of the column.</param>
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/// <param name="defaultValue">Column default value.</param>
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/// <param name="grbit">Column option.</param>
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internal ColumnInfo(
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string name,
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JET_COLUMNID columnid,
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JET_coltyp coltyp,
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JET_CP cp,
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int maxLength,
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byte[] defaultValue,
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ColumndefGrbit grbit)
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{
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this.Name = name;
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this.Columnid = columnid;
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this.Coltyp = coltyp;
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this.Cp = cp;
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this.MaxLength = maxLength;
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this.defaultValue = (null == defaultValue) ? null : new ReadOnlyCollection<byte>(defaultValue);
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this.Grbit = grbit;
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}
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/// <summary>
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/// Gets the name of the column.
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/// </summary>
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public string Name { get; private set; }
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/// <summary>
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/// Gets the ID of the column.
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/// </summary>
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public JET_COLUMNID Columnid { get; private set; }
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/// <summary>
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/// Gets the type of the column.
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/// </summary>
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public JET_coltyp Coltyp { get; private set; }
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/// <summary>
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/// Gets the code page of the column.
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/// </summary>
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public JET_CP Cp { get; private set; }
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/// <summary>
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/// Gets the maximum length of the column.
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/// </summary>
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public int MaxLength { get; private set; }
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/// <summary>
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/// Gets the default value of the column.
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/// </summary>
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public IList<byte> DefaultValue
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{
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get { return this.defaultValue; }
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}
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/// <summary>
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/// Gets the column options.
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/// </summary>
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public ColumndefGrbit Grbit { get; private set; }
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/// <summary>
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/// Returns a <see cref="T:System.String"/> that represents the current <see cref="ColumnInfo"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> that represents the current <see cref="ColumnInfo"/>.
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/// </returns>
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public override string ToString()
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{
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return this.Name;
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}
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}
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}
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