100 lines
3.6 KiB
C#
100 lines
3.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="SmiConnection.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">Microsoft</owner>
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// <owner current="true" 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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internal abstract class SmiConnection : IDisposable {
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//
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// Miscellaneous directives / accessors
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//
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internal abstract string GetCurrentDatabase(
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SmiEventSink eventSink
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);
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internal abstract void SetCurrentDatabase (
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string databaseName,
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SmiEventSink eventSink
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);
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//
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// IDisposable
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//
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public virtual void Dispose( ) {
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// Obsoleting from SMI -- use Close( SmiEventSink ) instead.
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// Intended to be removed (along with inheriting IDisposable) prior to RTM.
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// Implement body with throw because there are only a couple of ways to get to this code:
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// 1) Client is calling this method even though the server negotiated for V3+ and dropped support for V2-.
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// 2) Server didn't implement V2- on some interface and negotiated V2-.
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System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
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}
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public virtual void Close(
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SmiEventSink eventSink
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) {
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// Adding as of V3
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// Implement body with throw because there are only a couple of ways to get to this code:
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// 1) Client is calling this method even though the server negotiated for V2- and hasn't implemented V3 yet.
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// 2) Server didn't implement V3 on some interface, but negotiated V3+.
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System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
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}
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//
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// Transaction API (should we encapsulate in it's own class or interface?)
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//
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internal abstract void BeginTransaction (
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string name,
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IsolationLevel level,
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SmiEventSink eventSink
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);
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internal abstract void CommitTransaction (
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long transactionId,
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SmiEventSink eventSink
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);
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internal abstract void CreateTransactionSavePoint (
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long transactionId,
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string name,
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SmiEventSink eventSink
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);
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internal abstract byte[] GetDTCAddress( // better buffer management needed? I.e. non-allocating call needed/possible?
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SmiEventSink eventSink
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);
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internal abstract void EnlistTransaction (
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byte[] token, // better buffer management needed? I.e. non-allocating call needed/possible?
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SmiEventSink eventSink
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);
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internal abstract byte[] PromoteTransaction ( // better buffer management needed? I.e. non-allocating call needed/possible?
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long transactionId,
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SmiEventSink eventSink
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);
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internal abstract void RollbackTransaction (
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long transactionId,
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string savePointName, // only roll back to save point if name non-null
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SmiEventSink eventSink
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);
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}
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}
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