-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
BsonMaxKey.cs
138 lines (125 loc) · 4.77 KB
/
BsonMaxKey.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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* Copyright 2010-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.Shared;
namespace MongoDB.Bson
{
/// <summary>
/// Represents the BSON MaxKey value.
/// </summary>
[Serializable]
public class BsonMaxKey : BsonValue, IComparable<BsonMaxKey>, IEquatable<BsonMaxKey>
{
// private static fields
private static BsonMaxKey __value = new BsonMaxKey();
// constructors
// private so only the singleton instance can be created
private BsonMaxKey()
{
}
// public operators
/// <summary>
/// Compares two BsonMaxKey values.
/// </summary>
/// <param name="lhs">The first BsonMaxKey.</param>
/// <param name="rhs">The other BsonMaxKey.</param>
/// <returns>True if the two BsonMaxKey values are not equal according to ==.</returns>
public static bool operator !=(BsonMaxKey lhs, BsonMaxKey rhs)
{
return !(lhs == rhs);
}
/// <summary>
/// Compares two BsonMaxKey values.
/// </summary>
/// <param name="lhs">The first BsonMaxKey.</param>
/// <param name="rhs">The other BsonMaxKey.</param>
/// <returns>True if the two BsonMaxKey values are equal according to ==.</returns>
public static bool operator ==(BsonMaxKey lhs, BsonMaxKey rhs)
{
if (object.ReferenceEquals(lhs, null)) { return object.ReferenceEquals(rhs, null); }
return lhs.Equals(rhs);
}
// public static properties
/// <summary>
/// Gets the singleton instance of BsonMaxKey.
/// </summary>
public static BsonMaxKey Value { get { return __value; } }
// public properties
/// <summary>
/// Gets the BsonType of this BsonValue.
/// </summary>
public override BsonType BsonType
{
get { return BsonType.MaxKey; }
}
// public methods
/// <summary>
/// Compares this BsonMaxKey to another BsonMaxKey.
/// </summary>
/// <param name="other">The other BsonMaxKey.</param>
/// <returns>A 32-bit signed integer that indicates whether this BsonMaxKey is less than, equal to, or greather than the other.</returns>
public int CompareTo(BsonMaxKey other)
{
if (other == null) { return 1; }
return 0; // it's a singleton
}
/// <summary>
/// Compares the BsonMaxKey to another BsonValue.
/// </summary>
/// <param name="other">The other BsonValue.</param>
/// <returns>A 32-bit signed integer that indicates whether this BsonMaxKey is less than, equal to, or greather than the other BsonValue.</returns>
public override int CompareTo(BsonValue other)
{
if (other == null) { return 1; }
if (other is BsonMaxKey) { return 0; }
return 1;
}
/// <summary>
/// Compares this BsonMaxKey to another BsonMaxKey.
/// </summary>
/// <param name="rhs">The other BsonMaxKey.</param>
/// <returns>True if the two BsonMaxKey values are equal.</returns>
public bool Equals(BsonMaxKey rhs)
{
if (object.ReferenceEquals(rhs, null) || GetType() != rhs.GetType()) { return false; }
return true; // it's a singleton
}
/// <summary>
/// Compares this BsonMaxKey to another object.
/// </summary>
/// <param name="obj">The other object.</param>
/// <returns>True if the other object is a BsonMaxKey and equal to this one.</returns>
public override bool Equals(object obj)
{
return Equals(obj as BsonMaxKey); // works even if obj is null or of a different type
}
/// <summary>
/// Gets the hash code.
/// </summary>
/// <returns>The hash code.</returns>
public override int GetHashCode()
{
return Hasher.GetHashCode(BsonType);
}
/// <summary>
/// Returns a string representation of the value.
/// </summary>
/// <returns>A string representation of the value.</returns>
public override string ToString()
{
return "BsonMaxKey";
}
}
}