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Mark LevelDB "Read" and "Exists" functions as const.

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Mark the "Read" and "Exists" functions in CLevelDBWrapper as "const".
They do not change anything in the DB, by definition.
This commit is contained in:
Daniel Kraft 2014-07-19 15:39:50 +02:00
parent 0d763fc9e1
commit ffb4c210bc
1 changed files with 2 additions and 2 deletions
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4
src/leveldbwrapper.h
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@ -82,7 +82,7 @@ public:
CLevelDBWrapper(const boost::filesystem::path &path, size_t nCacheSize, bool fMemory = false, bool fWipe = false); CLevelDBWrapper(const boost::filesystem::path &path, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
~CLevelDBWrapper(); ~CLevelDBWrapper();
template<typename K, typename V> bool Read(const K& key, V& value) throw(leveldb_error) { template<typename K, typename V> bool Read(const K& key, V& value) const throw(leveldb_error) {
CDataStream ssKey(SER_DISK, CLIENT_VERSION); CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(ssKey.GetSerializeSize(key)); ssKey.reserve(ssKey.GetSerializeSize(key));
ssKey << key; ssKey << key;
@ -111,7 +111,7 @@ public:
return WriteBatch(batch, fSync); return WriteBatch(batch, fSync);
} }
template<typename K> bool Exists(const K& key) throw(leveldb_error) { template<typename K> bool Exists(const K& key) const throw(leveldb_error) {
CDataStream ssKey(SER_DISK, CLIENT_VERSION); CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(ssKey.GetSerializeSize(key)); ssKey.reserve(ssKey.GetSerializeSize(key));
ssKey << key; ssKey << key;