CDB Class Reference

RAII class that provides access to a Berkeley database. More...

#include <db.h>

Inheritance diagram for CDB:

Public Member Functions
void	Flush ()
void	Close ()
bool	TxnBegin ()
bool	TxnCommit ()
bool	TxnAbort ()
bool	ReadVersion (int &nVersion)
bool	WriteVersion (int nVersion)

Static Public Member Functions
static bool	Rewrite (const std::string &strFile, const char *pszSkip=NULL)

Protected Member Functions
	CDB (const std::string &strFilename, const char *pszMode="r+", bool fFlushOnCloseIn=true)
	~CDB ()
template<typename K , typename T >
bool	Read (const K &key, T &value)
template<typename K , typename T >
bool	Write (const K &key, const T &value, bool fOverwrite=true)
template<typename K >
bool	Erase (const K &key)
template<typename K >
bool	Exists (const K &key)
Dbc *	GetCursor ()
int	ReadAtCursor (Dbc *pcursor, CDataStream &ssKey, CDataStream &ssValue, unsigned int fFlags=DB_NEXT)

Protected Attributes
Db *	pdb
std::string	strFile
DbTxn *	activeTxn
bool	fReadOnly
bool	fFlushOnClose

Private Member Functions
	CDB (const CDB &)
void	operator= (const CDB &)

Detailed Description

RAII class that provides access to a Berkeley database.

Definition at line 95 of file db.h.

Constructor & Destructor Documentation

CDB() [1/2]

CDB::CDB ( const std::string &  strFilename, const char *  pszMode = "r+", bool  fFlushOnCloseIn = true  )

explicitprotected

Definition at line 273 of file db.cpp.

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~CDB()

CDB::~CDB ( )

inlineprotected

Definition at line 105 of file db.h.

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CDB() [2/2]

CDB::CDB ( const CDB &  )

private

Member Function Documentation

Close()

void CDB::Close

(

)

Definition at line 346 of file db.cpp.

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Erase()

template<typename K >

bool CDB::Erase ( const K &  key )

inlineprotected

Definition at line 181 of file db.h.

Exists()

template<typename K >

bool CDB::Exists ( const K &  key )

inlineprotected

Definition at line 203 of file db.h.

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Flush()

void CDB::Flush

(

)

Definition at line 333 of file db.cpp.

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GetCursor()

Dbc* CDB::GetCursor ( )

inlineprotected

Definition at line 222 of file db.h.

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operator=()

void CDB::operator= ( const CDB &  )

private

Read()

template<typename K , typename T >

bool CDB::Read ( const K &  key, T &  value  )

inlineprotected

Definition at line 117 of file db.h.

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ReadAtCursor()

int CDB::ReadAtCursor ( Dbc *  pcursor, CDataStream &  ssKey, CDataStream &  ssValue, unsigned int  fFlags = DB_NEXT  )

inlineprotected

Definition at line 233 of file db.h.

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ReadVersion()

bool CDB::ReadVersion ( int &  nVersion )

inline

Definition at line 314 of file db.h.

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Rewrite()

bool CDB::Rewrite ( const std::string &  strFile, const char *  pszSkip = NULL  )

static

Definition at line 387 of file db.cpp.

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TxnAbort()

bool CDB::TxnAbort ( )

inline

Definition at line 305 of file db.h.

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TxnBegin()

bool CDB::TxnBegin ( )

inline

Definition at line 285 of file db.h.

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TxnCommit()

bool CDB::TxnCommit ( )

inline

Definition at line 296 of file db.h.

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Write()

template<typename K , typename T >

bool CDB::Write ( const K &  key, const T &  value, bool  fOverwrite = true  )

inlineprotected

Definition at line 152 of file db.h.

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WriteVersion()

bool CDB::WriteVersion ( int  nVersion )

inline

Definition at line 320 of file db.h.

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Member Data Documentation

activeTxn

DbTxn* CDB::activeTxn

protected

Definition at line 100 of file db.h.

fFlushOnClose

bool CDB::fFlushOnClose

protected

Definition at line 102 of file db.h.

fReadOnly

bool CDB::fReadOnly

protected

Definition at line 101 of file db.h.

pdb

Db* CDB::pdb

protected

Definition at line 98 of file db.h.

strFile

std::string CDB::strFile

protected

Definition at line 99 of file db.h.

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

• src/wallet/db.h
• src/wallet/db.cpp