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
|
/*
* Copyright (C) 2017-2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/UUID.h>
namespace WTF {
template <typename IdentifierType>
class IdentifiedBase {
public:
IdentifierType identifier() const { return m_identifier; }
protected:
IdentifiedBase(const IdentifiedBase&) = default;
explicit IdentifiedBase(IdentifierType identifier)
: m_identifier(identifier)
{
}
IdentifiedBase& operator=(const IdentifiedBase&) = default;
private:
IdentifierType m_identifier;
};
template <typename ObjectIdentifierType>
class Identified : public IdentifiedBase<ObjectIdentifierType> {
protected:
Identified()
: IdentifiedBase<ObjectIdentifierType>(ObjectIdentifierType::generate())
{
}
Identified(const Identified&) = default;
Identified& operator=(const Identified&) = default;
};
template <typename T>
class UUIDIdentified : public IdentifiedBase<UUID> {
protected:
UUIDIdentified()
: IdentifiedBase<UUID>(UUID::createVersion4())
{
}
UUIDIdentified(const UUIDIdentified&) = default;
};
} // namespace WTF
using WTF::Identified;
using WTF::UUIDIdentified;
|
