wallet::BerkeleyBatch Class Reference

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

#include <bdb.h>

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Public Member Functions
	BerkeleyBatch (BerkeleyDatabase &database, const bool fReadOnly, bool fFlushOnCloseIn=true)
	~BerkeleyBatch () override
	BerkeleyBatch (const BerkeleyBatch &)=delete
BerkeleyBatch &	operator= (const BerkeleyBatch &)=delete
void	Flush () override
void	Close () override
std::unique_ptr< DatabaseCursor >	GetNewCursor () override
std::unique_ptr< DatabaseCursor >	GetNewPrefixCursor (Span< const std::byte > prefix) override
bool	TxnBegin () override
bool	TxnCommit () override
bool	TxnAbort () override
bool	HasActiveTxn () override
DbTxn *	txn () const
Public Member Functions inherited from wallet::DatabaseBatch
	DatabaseBatch ()=default
virtual	~DatabaseBatch ()=default
	DatabaseBatch (const DatabaseBatch &)=delete
DatabaseBatch &	operator= (const DatabaseBatch &)=delete
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)

Protected Attributes
Db *	pdb {nullptr}
std::string	strFile
DbTxn *	activeTxn {nullptr}
bool	fReadOnly
bool	fFlushOnClose
BerkeleyEnvironment *	env
BerkeleyDatabase &	m_database

Private Member Functions
bool	ReadKey (DataStream &&key, DataStream &value) override
bool	WriteKey (DataStream &&key, DataStream &&value, bool overwrite=true) override
bool	EraseKey (DataStream &&key) override
bool	HasKey (DataStream &&key) override
bool	ErasePrefix (Span< const std::byte > prefix) override

Detailed Description

RAII class that provides access to a Berkeley database.

Definition at line 178 of file bdb.h.

Constructor & Destructor Documentation

BerkeleyBatch() [1/2]

wallet::BerkeleyBatch::BerkeleyBatch ( BerkeleyDatabase &  database, const bool  fReadOnly, bool  fFlushOnCloseIn = true  )

explicit

Definition at line 363 of file bdb.cpp.

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~BerkeleyBatch()

wallet::BerkeleyBatch::~BerkeleyBatch ( )

override

Definition at line 444 of file bdb.cpp.

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BerkeleyBatch() [2/2]

wallet::BerkeleyBatch::BerkeleyBatch ( const BerkeleyBatch &  )

delete

Member Function Documentation

Close()

void wallet::BerkeleyBatch::Close ( )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 450 of file bdb.cpp.

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EraseKey()

bool wallet::BerkeleyBatch::EraseKey ( DataStream &&  key )

overrideprivatevirtual

Implements wallet::DatabaseBatch.

Definition at line 878 of file bdb.cpp.

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ErasePrefix()

bool wallet::BerkeleyBatch::ErasePrefix ( Span< const std::byte >  prefix )

overrideprivatevirtual

Implements wallet::DatabaseBatch.

Definition at line 902 of file bdb.cpp.

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Flush()

void wallet::BerkeleyBatch::Flush ( )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 424 of file bdb.cpp.

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GetNewCursor()

std::unique_ptr< DatabaseCursor > wallet::BerkeleyBatch::GetNewCursor ( )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 783 of file bdb.cpp.

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GetNewPrefixCursor()

std::unique_ptr< DatabaseCursor > wallet::BerkeleyBatch::GetNewPrefixCursor ( Span< const std::byte >  prefix )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 789 of file bdb.cpp.

HasActiveTxn()

bool wallet::BerkeleyBatch::HasActiveTxn ( )

inlineoverridevirtual

Implements wallet::DatabaseBatch.

Definition at line 211 of file bdb.h.

HasKey()

bool wallet::BerkeleyBatch::HasKey ( DataStream &&  key )

overrideprivatevirtual

Implements wallet::DatabaseBatch.

Definition at line 891 of file bdb.cpp.

operator=()

BerkeleyBatch& wallet::BerkeleyBatch::operator= ( const BerkeleyBatch &  )

delete

ReadKey()

bool wallet::BerkeleyBatch::ReadKey ( DataStream &&  key, DataStream &  value  )

overrideprivatevirtual

Implements wallet::DatabaseBatch.

Definition at line 846 of file bdb.cpp.

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txn()

DbTxn* wallet::BerkeleyBatch::txn ( ) const

inline

Definition at line 212 of file bdb.h.

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TxnAbort()

bool wallet::BerkeleyBatch::TxnAbort ( )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 815 of file bdb.cpp.

TxnBegin()

bool wallet::BerkeleyBatch::TxnBegin ( )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 795 of file bdb.cpp.

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TxnCommit()

bool wallet::BerkeleyBatch::TxnCommit ( )

overridevirtual

Implements wallet::DatabaseBatch.

Definition at line 806 of file bdb.cpp.

WriteKey()

bool wallet::BerkeleyBatch::WriteKey ( DataStream &&  key, DataStream &&  value, bool  overwrite = true  )

overrideprivatevirtual

Implements wallet::DatabaseBatch.

Definition at line 863 of file bdb.cpp.

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Member Data Documentation

activeTxn

DbTxn* wallet::BerkeleyBatch::activeTxn {nullptr}

protected

Definition at line 190 of file bdb.h.

env

BerkeleyEnvironment* wallet::BerkeleyBatch::env

protected

Definition at line 193 of file bdb.h.

fFlushOnClose

bool wallet::BerkeleyBatch::fFlushOnClose

protected

Definition at line 192 of file bdb.h.

fReadOnly

bool wallet::BerkeleyBatch::fReadOnly

protected

Definition at line 191 of file bdb.h.

m_database

BerkeleyDatabase& wallet::BerkeleyBatch::m_database

protected

Definition at line 194 of file bdb.h.

pdb

Db* wallet::BerkeleyBatch::pdb {nullptr}

protected

Definition at line 188 of file bdb.h.

strFile

std::string wallet::BerkeleyBatch::strFile

protected

Definition at line 189 of file bdb.h.

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

• src/wallet/bdb.h
• src/wallet/bdb.cpp