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//------------------------------------------------------------------------------
// <copyright file="SQLUtility.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">junfang</owner>
// <owner current="true" primary="false">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
//**************************************************************************
// @File: SQLUtility.cs
//
// Create by: JunFang
//
// Purpose: Implementation of utilities in COM+ SQL Types Library.
// Includes interface INullable, exceptions SqlNullValueException
// and SqlTruncateException, and SQLDebug class.
//
// Notes:
//
// History:
//
// 09/17/99 JunFang Created and implemented as first drop.
//
// @EndHeader@
//**************************************************************************
using System;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.Serialization;
namespace System.Data.SqlTypes {
internal enum EComparison {
LT,
LE,
EQ,
GE,
GT,
NE
}
// This enumeration is used to inquire about internal storage of a SqlBytes or SqlChars instance:
public enum StorageState {
Buffer = 0,
Stream = 1,
UnmanagedBuffer = 2
}
[Serializable]
public class SqlTypeException : SystemException {
public SqlTypeException() : this(Res.GetString(Res.SqlMisc_SqlTypeMessage), null) { // MDAC 82931, 84941
}
// Creates a new SqlTypeException with its message string set to message.
public SqlTypeException(String message) : this(message, null) {
}
public SqlTypeException(String message, Exception e) : base(message, e) { // MDAC 82931
HResult = HResults.SqlType; // MDAC 84941
}
// runtime will call even if private...
// <fxcop ignore=SerializableTypesMustHaveMagicConstructorWithAdequateSecurity />
protected SqlTypeException(SerializationInfo si, StreamingContext sc) : base(SqlTypeExceptionSerialization(si, sc), sc) {
}
static private SerializationInfo SqlTypeExceptionSerialization(SerializationInfo si, StreamingContext sc) {
if ((null != si) && (1 == si.MemberCount)) {
string message = si.GetString("SqlTypeExceptionMessage"); // WebData 104331
SqlTypeException fakeValue = new SqlTypeException(message);
fakeValue.GetObjectData(si, sc);
}
return si;
}
} // SqlTypeException
[Serializable]
public sealed class SqlNullValueException : SqlTypeException {
// Creates a new SqlNullValueException with its message string set to the common string.
public SqlNullValueException() : this(SQLResource.NullValueMessage, null) {
}
// Creates a new NullValueException with its message string set to message.
public SqlNullValueException(String message) : this(message, null) {
}
public SqlNullValueException(String message, Exception e) : base(message, e) { // MDAC 82931
HResult = HResults.SqlNullValue; // MDAC 84941
}
// runtime will call even if private...
// <fxcop ignore=SerializableTypesMustHaveMagicConstructorWithAdequateSecurity />
private SqlNullValueException(SerializationInfo si, StreamingContext sc) : base(SqlNullValueExceptionSerialization(si, sc), sc) {
}
static private SerializationInfo SqlNullValueExceptionSerialization(SerializationInfo si, StreamingContext sc) {
if ((null != si) && (1 == si.MemberCount)) {
string message = si.GetString("SqlNullValueExceptionMessage"); // WebData 104331
SqlNullValueException fakeValue = new SqlNullValueException(message);
fakeValue.GetObjectData(si, sc);
}
return si;
}
} // NullValueException
[Serializable]
public sealed class SqlTruncateException : SqlTypeException {
// Creates a new SqlTruncateException with its message string set to the empty string.
public SqlTruncateException() : this(SQLResource.TruncationMessage, null) {
}
// Creates a new SqlTruncateException with its message string set to message.
public SqlTruncateException(String message) : this(message, null) {
}
public SqlTruncateException(String message, Exception e) : base(message, e) { // MDAC 82931
HResult = HResults.SqlTruncate; // MDAC 84941
}
// runtime will call even if private...
// <fxcop ignore=SerializableTypesMustHaveMagicConstructorWithAdequateSecurity />
private SqlTruncateException(SerializationInfo si, StreamingContext sc) : base(SqlTruncateExceptionSerialization(si, sc), sc) {
}
static private SerializationInfo SqlTruncateExceptionSerialization(SerializationInfo si, StreamingContext sc) {
if ((null != si) && (1 == si.MemberCount)) {
string message = si.GetString("SqlTruncateExceptionMessage"); // WebData 104331
SqlTruncateException fakeValue = new SqlTruncateException(message);
fakeValue.GetObjectData(si, sc);
}
return si;
}
} // SqlTruncateException
[Serializable]
public sealed class SqlNotFilledException : SqlTypeException {
//
// Creates a new SqlNotFilledException with its message string set to the common string.
public SqlNotFilledException() : this(SQLResource.NotFilledMessage, null) {
}
// Creates a new NullValueException with its message string set to message.
public SqlNotFilledException(String message) : this(message, null) {
}
public SqlNotFilledException(String message, Exception e) : base(message, e) { // MDAC 82931
HResult = HResults.SqlNullValue; // MDAC 84941
}
// runtime will call even if private...
// <fxcop ignore=SerializableTypesMustHaveMagicConstructorWithAdequateSecurity />
private SqlNotFilledException(SerializationInfo si, StreamingContext sc) : base(si, sc) {
}
} // SqlNotFilledException
[Serializable]
public sealed class SqlAlreadyFilledException : SqlTypeException {
//
// Creates a new SqlNotFilledException with its message string set to the common string.
public SqlAlreadyFilledException() : this(SQLResource.AlreadyFilledMessage, null) {
}
// Creates a new NullValueException with its message string set to message.
public SqlAlreadyFilledException(String message) : this(message, null) {
}
public SqlAlreadyFilledException(String message, Exception e) : base(message, e) { // MDAC 82931
HResult = HResults.SqlNullValue; // MDAC 84941
}
// runtime will call even if private...
// <fxcop ignore=SerializableTypesMustHaveMagicConstructorWithAdequateSecurity />
private SqlAlreadyFilledException(SerializationInfo si, StreamingContext sc) : base(si, sc) {
}
} // SqlNotFilledException
internal sealed class SQLDebug {
private SQLDebug() { /* prevent utility class from being insantiated*/ }
[System.Diagnostics.Conditional("DEBUG")]
internal static void Check(bool condition) {
Debug.Assert(condition, "", "");
}
[System.Diagnostics.Conditional("DEBUG")]
internal static void Check(bool condition, String conditionString, string message) {
Debug.Assert(condition, conditionString, message);
}
[System.Diagnostics.Conditional("DEBUG")]
internal static void Check(bool condition, String conditionString) {
Debug.Assert(condition, conditionString, "");
}
/*
[System.Diagnostics.Conditional("DEBUG")]
internal static void Message(String traceMessage) {
Debug.WriteLine(SQLResource.MessageString + ": " + traceMessage);
}
*/
} // SQLDebug
} // namespace System.Data.SqlTypes
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