blob: 7907a61aa49930f1534284d73703a2cd8a414763 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
//------------------------------------------------------------------------------
// <copyright file="SmiConnection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
namespace Microsoft.SqlServer.Server {
using System;
using System.Data;
internal abstract class SmiConnection : IDisposable {
//
// Miscellaneous directives / accessors
//
internal abstract string GetCurrentDatabase(
SmiEventSink eventSink
);
internal abstract void SetCurrentDatabase (
string databaseName,
SmiEventSink eventSink
);
//
// IDisposable
//
public virtual void Dispose( ) {
// Obsoleting from SMI -- use Close( SmiEventSink ) instead.
// Intended to be removed (along with inheriting IDisposable) prior to RTM.
// 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-.
System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
}
public virtual void Close(
SmiEventSink eventSink
) {
// Adding as of V3
// 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 V2- and hasn't implemented V3 yet.
// 2) Server didn't implement V3 on some interface, but negotiated V3+.
System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
}
//
// Transaction API (should we encapsulate in it's own class or interface?)
//
internal abstract void BeginTransaction (
string name,
IsolationLevel level,
SmiEventSink eventSink
);
internal abstract void CommitTransaction (
long transactionId,
SmiEventSink eventSink
);
internal abstract void CreateTransactionSavePoint (
long transactionId,
string name,
SmiEventSink eventSink
);
internal abstract byte[] GetDTCAddress( // better buffer management needed? I.e. non-allocating call needed/possible?
SmiEventSink eventSink
);
internal abstract void EnlistTransaction (
byte[] token, // better buffer management needed? I.e. non-allocating call needed/possible?
SmiEventSink eventSink
);
internal abstract byte[] PromoteTransaction ( // better buffer management needed? I.e. non-allocating call needed/possible?
long transactionId,
SmiEventSink eventSink
);
internal abstract void RollbackTransaction (
long transactionId,
string savePointName, // only roll back to save point if name non-null
SmiEventSink eventSink
);
}
}
|
