diff options
Diffstat (limited to 'src/wallet/bdb.h')
-rw-r--r-- | src/wallet/bdb.h | 79 |
1 files changed, 14 insertions, 65 deletions
diff --git a/src/wallet/bdb.h b/src/wallet/bdb.h index 599319482b..f3b1e5d0a3 100644 --- a/src/wallet/bdb.h +++ b/src/wallet/bdb.h @@ -172,7 +172,7 @@ private: }; /** RAII class that provides access to a Berkeley database */ -class BerkeleyBatch +class BerkeleyBatch : public DatabaseBatch { /** RAII class that automatically cleanses its data on destruction */ class SafeDbt final @@ -195,10 +195,10 @@ class BerkeleyBatch }; private: - bool ReadKey(CDataStream&& key, CDataStream& value); - bool WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite = true); - bool EraseKey(CDataStream&& key); - bool HasKey(CDataStream&& key); + bool ReadKey(CDataStream&& key, CDataStream& value) override; + bool WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite = true) override; + bool EraseKey(CDataStream&& key) override; + bool HasKey(CDataStream&& key) override; protected: Db* pdb; @@ -211,71 +211,20 @@ protected: public: explicit BerkeleyBatch(BerkeleyDatabase& database, const char* pszMode = "r+", bool fFlushOnCloseIn=true); - ~BerkeleyBatch() { Close(); } + ~BerkeleyBatch() override { Close(); } BerkeleyBatch(const BerkeleyBatch&) = delete; BerkeleyBatch& operator=(const BerkeleyBatch&) = delete; - void Flush(); - void Close(); - - template <typename K, typename T> - bool Read(const K& key, T& value) - { - CDataStream ssKey(SER_DISK, CLIENT_VERSION); - ssKey.reserve(1000); - ssKey << key; - - CDataStream ssValue(SER_DISK, CLIENT_VERSION); - if (!ReadKey(std::move(ssKey), ssValue)) return false; - try { - ssValue >> value; - return true; - } catch (const std::exception&) { - return false; - } - } - - template <typename K, typename T> - bool Write(const K& key, const T& value, bool fOverwrite = true) - { - CDataStream ssKey(SER_DISK, CLIENT_VERSION); - ssKey.reserve(1000); - ssKey << key; - - CDataStream ssValue(SER_DISK, CLIENT_VERSION); - ssValue.reserve(10000); - ssValue << value; - - return WriteKey(std::move(ssKey), std::move(ssValue), fOverwrite); - } - - template <typename K> - bool Erase(const K& key) - { - CDataStream ssKey(SER_DISK, CLIENT_VERSION); - ssKey.reserve(1000); - ssKey << key; - - return EraseKey(std::move(ssKey)); - } - - template <typename K> - bool Exists(const K& key) - { - CDataStream ssKey(SER_DISK, CLIENT_VERSION); - ssKey.reserve(1000); - ssKey << key; - - return HasKey(std::move(ssKey)); - } + void Flush() override; + void Close() override; - bool StartCursor(); - bool ReadAtCursor(CDataStream& ssKey, CDataStream& ssValue, bool& complete); - void CloseCursor(); - bool TxnBegin(); - bool TxnCommit(); - bool TxnAbort(); + bool StartCursor() override; + bool ReadAtCursor(CDataStream& ssKey, CDataStream& ssValue, bool& complete) override; + void CloseCursor() override; + bool TxnBegin() override; + bool TxnCommit() override; + bool TxnAbort() override; }; std::string BerkeleyDatabaseVersion(); |