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
|
// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
#include <QMap>
#include <QReadLocker>
#include <QSet>
#include <QWriteLocker>
template <typename K, typename V>
class RWStorage
{
public:
void add(K key, V value)
{
QWriteLocker l(&lock);
cache[key] = value;
stale_entries.remove(key);
}
V get(K key)
{
QReadLocker l(&lock);
if (cache.contains(key))
{
return cache[key];
}
else
return V();
}
bool get(K key, V& value)
{
QReadLocker l(&lock);
if (cache.contains(key))
{
value = cache[key];
return true;
}
else
return false;
}
bool has(K key)
{
QReadLocker l(&lock);
return cache.contains(key);
}
bool stale(K key)
{
QReadLocker l(&lock);
if (!cache.contains(key))
return true;
return stale_entries.contains(key);
}
void setStale(K key)
{
QWriteLocker l(&lock);
if (cache.contains(key))
{
stale_entries.insert(key);
}
}
void clear()
{
QWriteLocker l(&lock);
cache.clear();
stale_entries.clear();
}
private:
QReadWriteLock lock;
QMap<K, V> cache;
QSet<K> stale_entries;
};
|
