CDBWrapper Class Reference

#include <dbwrapper.h>

Inheritance diagram for CDBWrapper:

Public Member Functions
	CDBWrapper (const fs::path &path, size_t nCacheSize, bool fMemory=false, bool fWipe=false)
	~CDBWrapper ()
template<typename K , typename V >
bool	Read (const K &key, V &value) const
template<typename K , typename V >
bool	Write (const K &key, const V &value, bool fSync=false)
template<typename K >
bool	Exists (const K &key) const
template<typename K >
bool	Erase (const K &key, bool fSync=false)
bool	WriteBatch (CDBBatch &batch, bool fSync=false)
bool	Flush ()
bool	Sync ()
CDBIterator *	NewIterator ()
bool	IsEmpty ()
	Return true if the database managed by this class contains no entries. More...

Private Attributes
leveldb::Env *	penv
	custom environment this database is using (may be NULL in case of default environment) More...
leveldb::Options	options
	database options used More...
leveldb::ReadOptions	readoptions
	options used when reading from the database More...
leveldb::ReadOptions	iteroptions
	options used when iterating over values of the database More...
leveldb::WriteOptions	writeoptions
	options used when writing to the database More...
leveldb::WriteOptions	syncoptions
	options used when sync writing to the database More...
leveldb::DB *	pdb
	the database itself More...

Detailed Description

Definition at line 134 of file dbwrapper.h.

Constructor & Destructor Documentation

CDBWrapper()

CDBWrapper::CDBWrapper	(	const fs::path &	path,
		size_t	nCacheSize,
		bool	fMemory = false,
		bool	fWipe = false
	)

Parameters

[in]	path	Location in the filesystem where leveldb data will be stored.
[in]	nCacheSize	Configures various leveldb cache settings.
[in]	fMemory	If true, use leveldb's memory environment.
[in]	fWipe	If true, remove all existing data.

Definition at line 58 of file dbwrapper.cpp.

~CDBWrapper()

CDBWrapper::~CDBWrapper

(

)

Definition at line 84 of file dbwrapper.cpp.

Member Function Documentation

Erase()

template<typename K >

bool CDBWrapper::Erase ( const K &  key, bool  fSync = false  )

inline

Definition at line 221 of file dbwrapper.h.

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Exists()

template<typename K >

bool CDBWrapper::Exists ( const K &  key ) const

inline

Definition at line 202 of file dbwrapper.h.

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Flush()

bool CDBWrapper::Flush ( )

inline

Definition at line 231 of file dbwrapper.h.

IsEmpty()

bool CDBWrapper::IsEmpty

(

)

Return true if the database managed by this class contains no entries.

Definition at line 103 of file dbwrapper.cpp.

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NewIterator()

CDBIterator* CDBWrapper::NewIterator ( )

inline

Definition at line 243 of file dbwrapper.h.

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Read()

template<typename K , typename V >

bool CDBWrapper::Read ( const K &  key, V &  value  ) const

inline

Definition at line 169 of file dbwrapper.h.

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Sync()

bool CDBWrapper::Sync ( )

inline

Definition at line 236 of file dbwrapper.h.

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Write()

template<typename K , typename V >

bool CDBWrapper::Write ( const K &  key, const V &  value, bool  fSync = false  )

inline

Definition at line 194 of file dbwrapper.h.

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WriteBatch()

bool CDBWrapper::WriteBatch	(	CDBBatch &	batch,
		bool	fSync = false
	)

Definition at line 96 of file dbwrapper.cpp.

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Member Data Documentation

iteroptions

leveldb::ReadOptions CDBWrapper::iteroptions

private

options used when iterating over values of the database

Definition at line 147 of file dbwrapper.h.

options

leveldb::Options CDBWrapper::options

private

database options used

Definition at line 141 of file dbwrapper.h.

pdb

leveldb::DB* CDBWrapper::pdb

private

the database itself

Definition at line 156 of file dbwrapper.h.

penv

leveldb::Env* CDBWrapper::penv

private

custom environment this database is using (may be NULL in case of default environment)

Definition at line 138 of file dbwrapper.h.

readoptions

leveldb::ReadOptions CDBWrapper::readoptions

private

options used when reading from the database

Definition at line 144 of file dbwrapper.h.

syncoptions

leveldb::WriteOptions CDBWrapper::syncoptions

private

options used when sync writing to the database

Definition at line 153 of file dbwrapper.h.

writeoptions

leveldb::WriteOptions CDBWrapper::writeoptions

private

options used when writing to the database

Definition at line 150 of file dbwrapper.h.

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The documentation for this class was generated from the following files:

• src/dbwrapper.h
• src/dbwrapper.cpp