diff options
author | Petr Mrázek <peterix@gmail.com> | 2016-04-10 04:29:29 +0200 |
---|---|---|
committer | Petr Mrázek <peterix@gmail.com> | 2016-04-30 23:59:23 +0200 |
commit | 47e37635f50c09b4f9a9ee7699e3120bab3e4088 (patch) | |
tree | 061c2f675fb7e244ebe4b54ef206bfbd615c91f8 /libraries/logic/RWStorage.h | |
parent | fcd4a482f759cd58ee319a51082d0146b7e426e2 (diff) | |
download | MultiMC-47e37635f50c09b4f9a9ee7699e3120bab3e4088.tar MultiMC-47e37635f50c09b4f9a9ee7699e3120bab3e4088.tar.gz MultiMC-47e37635f50c09b4f9a9ee7699e3120bab3e4088.tar.lz MultiMC-47e37635f50c09b4f9a9ee7699e3120bab3e4088.tar.xz MultiMC-47e37635f50c09b4f9a9ee7699e3120bab3e4088.zip |
NOISSUE split GUI stuff from logic library
Diffstat (limited to 'libraries/logic/RWStorage.h')
-rw-r--r-- | libraries/logic/RWStorage.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libraries/logic/RWStorage.h b/libraries/logic/RWStorage.h new file mode 100644 index 00000000..b1598ca4 --- /dev/null +++ b/libraries/logic/RWStorage.h @@ -0,0 +1,60 @@ +#pragma once +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) + { + QReadLocker l(&lock); + if(cache.contains(key)) + { + stale_entries.insert(key); + } + } + void clear() + { + QWriteLocker l(&lock); + cache.clear(); + } +private: + QReadWriteLock lock; + QMap<K, V> cache; + QSet<K> stale_entries; +};
\ No newline at end of file |