-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
SdamInformationEvent.cs
100 lines (88 loc) · 3.28 KB
/
SdamInformationEvent.cs
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
100
/* Copyright 2018–present MongoDB Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using MongoDB.Driver.Core.Misc;
namespace MongoDB.Driver.Core.Events
{
/// <summary>
/// An informational event used for logging Server Discovery and Monitoring (SDAM) events.
/// </summary>
public struct SdamInformationEvent : IEvent
{
private readonly object _arg0;
private readonly object[] _args;
private readonly int _argsCount;
private readonly string _messageFormat;
private readonly DateTime _timestamp;
private string _formattedMessage;
/// <summary>
/// Initializes a new instance of the <see cref="SdamInformationEvent"/> struct.
/// </summary>
/// <param name="messageFormat">Message format.</param>
/// <param name="arg0">Message argument.</param>
public SdamInformationEvent(string messageFormat, object arg0) :
this(messageFormat, 1, arg0, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SdamInformationEvent"/> struct.
/// </summary>
/// <param name="messageFormat">Message format.</param>
/// <param name="args">Message arguments.</param>
public SdamInformationEvent(string messageFormat, params object[] args) :
this(messageFormat, -1, null, args)
{
}
private SdamInformationEvent(string messageFormat, int argsCount, object arg0, params object[] args)
{
_args = args;
_arg0 = arg0;
_argsCount = argsCount;
_messageFormat = Ensure.IsNotNull(messageFormat, nameof(messageFormat));
_timestamp = DateTime.UtcNow;
_formattedMessage = null;
}
/// <summary>
/// Gets the message.
/// </summary>
public string Message
{
get
{
if (_formattedMessage == null)
{
_formattedMessage = _argsCount switch
{
-1 => string.Format(_messageFormat, _args),
1 => string.Format(_messageFormat, _arg0),
_ => throw new InvalidOperationException($"Not supported argument count {_argsCount}")
};
}
return _formattedMessage;
}
}
/// <summary>
/// Gets the timestamp.
/// </summary>
public DateTime Timestamp => _timestamp;
// explicit interface implementations
EventType IEvent.Type => EventType.SdamInformation;
/// <inheritdoc />
public override string ToString()
{
return $@"{{type: ""{GetType().Name}"", message: ""{Message}"" }}";
}
}
}