121 lines
4.1 KiB
C#
121 lines
4.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="SqlUserDefinedAggregateAttribute.cs" company="Microsoft Corporation">
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// Copyright (c) Microsoft Corporation. All Rights Reserved.
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// Information Contained Herein is Proprietary and Confidential.
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// </copyright>
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// <owner current="true" primary="true">Microsoft</owner>
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// <owner current="true" primary="true">Microsoft</owner>
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// <owner current="true" primary="true">daltudov</owner>
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// <owner current="true" primary="true">Microsoft</owner>
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// <owner current="true" primary="false">beysims</owner>
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// <owner current="true" primary="false">Microsoft</owner>
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// <owner current="true" primary="false">vadimt</owner>
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// <owner current="false" primary="false">venkar</owner>
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// <owner current="false" primary="false">Microsoft</owner>
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//------------------------------------------------------------------------------
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namespace Microsoft.SqlServer.Server {
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using System;
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using System.Data;
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using System.Data.Common;
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[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple=false, Inherited=false)]
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public sealed class SqlUserDefinedAggregateAttribute: Attribute {
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private int m_MaxByteSize;
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private bool m_fInvariantToDup;
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private bool m_fInvariantToNulls;
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private bool m_fInvariantToOrder = true;
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private bool m_fNullIfEmpty;
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private Format m_format;
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private string m_fName;
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// The maximum value for the maxbytesize field, in bytes.
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public const int MaxByteSizeValue = 8000;
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// A required attribute on all udaggs, used to indicate that the
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// given type is a udagg, and its storage format.
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public SqlUserDefinedAggregateAttribute(Format format) {
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switch(format) {
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case Format.Unknown:
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throw ADP.NotSupportedUserDefinedTypeSerializationFormat((Microsoft.SqlServer.Server.Format)format, "format");
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case Format.Native:
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case Format.UserDefined:
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this.m_format = format;
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break;
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default:
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throw ADP.InvalidUserDefinedTypeSerializationFormat((Microsoft.SqlServer.Server.Format)format);
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}
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}
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// The maximum size of this instance, in bytes. Does not have to be
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// specified for Native format serialization. The maximum value
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// for this property is specified by MaxByteSizeValue.
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public int MaxByteSize {
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get {
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return this.m_MaxByteSize;
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}
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set {
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// MaxByteSize of -1 means 2GB and is valid, as well as 0 to MaxByteSizeValue
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if (value < -1 || value > MaxByteSizeValue) {
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throw ADP.ArgumentOutOfRange(Res.GetString(Res.SQLUDT_MaxByteSizeValue), "MaxByteSize", value);
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}
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this.m_MaxByteSize = value;
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}
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}
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public bool IsInvariantToDuplicates {
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get {
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return this.m_fInvariantToDup;
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}
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set {
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this.m_fInvariantToDup = value;
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}
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}
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public bool IsInvariantToNulls {
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get {
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return this.m_fInvariantToNulls;
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}
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set {
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this.m_fInvariantToNulls = value;
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}
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}
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public bool IsInvariantToOrder {
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get {
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return this.m_fInvariantToOrder;
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}
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set {
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this.m_fInvariantToOrder = value;
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}
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}
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public bool IsNullIfEmpty {
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get {
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return this.m_fNullIfEmpty;
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}
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set {
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this.m_fNullIfEmpty = value;
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}
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}
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// The on-disk format for this type.
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public Format Format {
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get {
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return this.m_format;
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}
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}
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public string Name {
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get {
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return m_fName;
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}
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set {
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m_fName = value;
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}
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}
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}
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}
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