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

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();
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);
ssKey.reserve(ssKey.GetSerializeSize(key));
ssKey << key;
@ -111,7 +111,7 @@ public:
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);
ssKey.reserve(ssKey.GetSerializeSize(key));
ssKey << key;