Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / Microsoft / SqlServer / Server / SmiTypedGetterSetter.cs / 1305376 / SmiTypedGetterSetter.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
// [....]
//-----------------------------------------------------------------------------
namespace Microsoft.SqlServer.Server {
using System;
using System.Data;
using System.Data.SqlTypes;
// Central interface for getting/setting data values from/to a set of values indexed by ordinal
// (record, row, array, etc)
// Which methods are allowed to be called depends on SmiMetaData type of data offset.
internal abstract class SmiTypedGetterSetter : ITypedGettersV3, ITypedSettersV3 {
#region Read/Write
// Are calls to Get methods allowed?
internal abstract bool CanGet {
get;
}
// Are calls to Set methods allowed?
internal abstract bool CanSet {
get;
}
#endregion
#region Getters
// Null test
// valid for all types
public virtual bool IsDBNull(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// Check what type current sql_variant value is
// valid for SqlDbType.Variant
public virtual SmiMetaData GetVariantType(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Bit
public virtual Boolean GetBoolean(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.TinyInt
public virtual Byte GetByte(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbTypes: Binary, VarBinary, Image, Udt, Xml, Char, VarChar, Text, NChar, NVarChar, NText
// (Character type support needed for ExecuteXmlReader handling)
public virtual Int64 GetBytesLength(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual int GetBytes(SmiEventSink sink, int ordinal, long fieldOffset, byte[] buffer, int bufferOffset, int length) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
public virtual Int64 GetCharsLength(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual int GetChars(SmiEventSink sink, int ordinal, long fieldOffset, char[] buffer, int bufferOffset, int length) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual String GetString(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.SmallInt
public virtual Int16 GetInt16(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Int
public virtual Int32 GetInt32(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.BigInt, SqlDbType.Money, SqlDbType.SmallMoney
public virtual Int64 GetInt64(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Real
public virtual Single GetSingle(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Float
public virtual Double GetDouble(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Numeric (uses SqlDecimal since Decimal cannot hold full range)
public virtual SqlDecimal GetSqlDecimal(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for DateTime, SmallDateTime, Date, and DateTime2
public virtual DateTime GetDateTime(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for UniqueIdentifier
public virtual Guid GetGuid(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Time
public virtual TimeSpan GetTimeSpan(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
} else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for DateTimeOffset
public virtual DateTimeOffset GetDateTimeOffset(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
} else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for structured types
// This method called for both get and set.
internal virtual SmiTypedGetterSetter GetTypedGetterSetter(SmiEventSink sink, int ordinal) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
// valid for multi-valued types only
internal virtual bool NextElement(SmiEventSink sink) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
#endregion
#region Setters
// Set value to null
// valid for all types
public virtual void SetDBNull(SmiEventSink sink, int ordinal) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Bit
public virtual void SetBoolean(SmiEventSink sink, int ordinal, Boolean value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.TinyInt
public virtual void SetByte(SmiEventSink sink, int ordinal, Byte value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// Semantics for SetBytes are to modify existing value, not overwrite
// Use in combination with SetLength to ensure overwriting when necessary
// valid for SqlDbTypes: Binary, VarBinary, Image, Udt, Xml
// (VarBinary assumed for variants)
public virtual int SetBytes(SmiEventSink sink, int ordinal, long fieldOffset, byte[] buffer, int bufferOffset, int length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual void SetBytesLength(SmiEventSink sink, int ordinal, long length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// Semantics for SetChars are to modify existing value, not overwrite
// Use in combination with SetLength to ensure overwriting when necessary
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
// (NVarChar and global clr collation assumed for variants)
public virtual int SetChars(SmiEventSink sink, int ordinal, long fieldOffset, char[] buffer, int bufferOffset, int length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual void SetCharsLength(SmiEventSink sink, int ordinal, long length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
public virtual void SetString(SmiEventSink sink, int ordinal, string value, int offset, int length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.SmallInt
public virtual void SetInt16(SmiEventSink sink, int ordinal, Int16 value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Int
public virtual void SetInt32(SmiEventSink sink, int ordinal, Int32 value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.BigInt, SqlDbType.Money, SqlDbType.SmallMoney
public virtual void SetInt64(SmiEventSink sink, int ordinal, Int64 value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Real
public virtual void SetSingle(SmiEventSink sink, int ordinal, Single value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Float
public virtual void SetDouble(SmiEventSink sink, int ordinal, Double value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Numeric (uses SqlDecimal since Decimal cannot hold full range)
public virtual void SetSqlDecimal(SmiEventSink sink, int ordinal, SqlDecimal value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for DateTime, SmallDateTime, Date, and DateTime2
public virtual void SetDateTime(SmiEventSink sink, int ordinal, DateTime value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for UniqueIdentifier
public virtual void SetGuid(SmiEventSink sink, int ordinal, Guid value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for SqlDbType.Time
public virtual void SetTimeSpan(SmiEventSink sink, int ordinal, TimeSpan value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
} else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for DateTimeOffset
public virtual void SetDateTimeOffset(SmiEventSink sink, int ordinal, DateTimeOffset value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
} else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual void SetVariantMetaData( SmiEventSink sink, int ordinal, SmiMetaData metaData ) {
// ******** OBSOLETING from SMI -- this should have been removed from ITypedSettersV3
// Intended to be removed prior to RTM. Sub-classes need not implement
// Implement body with throw because there are only a couple of ways to get to this code:
// 1) Client is calling this method even though the server negotiated for V3+ and dropped support for V2-.
// 2) Server didn't implement V2- on some interface and negotiated V2-.
throw System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
}
// valid for multi-valued types only
internal virtual void NewElement(SmiEventSink sink) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
internal virtual void EndElements(SmiEventSink sink) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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