CDBBatch Class Reference

Batch of changes queued to be written to a CDBWrapper. More...

#include <dbwrapper.h>

Collaboration diagram for CDBBatch:

Public Member Functions
	CDBBatch (const CDBWrapper &_parent)
void	Clear ()
template<typename K , typename V >
void	Write (const K &key, const V &value)
template<typename V >
void	Write (const CDataStream &_ssKey, const V &value)
template<typename K >
void	Erase (const K &key)
void	Erase (const CDataStream &_ssKey)
size_t	SizeEstimate () const

Private Attributes
const CDBWrapper &	parent
leveldb::WriteBatch	batch
CDataStream	ssKey
CDataStream	ssValue
size_t	size_estimate

Friends
class	CDBWrapper

Detailed Description

Batch of changes queued to be written to a CDBWrapper.

Definition at line 49 of file dbwrapper.h.

Constructor & Destructor Documentation

CDBBatch()

CDBBatch::CDBBatch ( const CDBWrapper &  _parent )

inlineexplicit

Parameters

[in]

parent

CDBWrapper that this batch is to be submitted to

Definition at line 66 of file dbwrapper.h.

Member Function Documentation

Clear()

void CDBBatch::Clear ( )

inline

Definition at line 68 of file dbwrapper.h.

References batch, and size_estimate.

Referenced by CCoinsViewDB::BatchWrite(), llmq::CRecoveredSigsDb::CleanupOldRecoveredSigs(), CEvoDB::CommitRootTransaction(), and CCoinsViewDB::Upgrade().

Erase() [1/2]

template<typename K >

void CDBBatch::Erase ( const K &  key )

inline

Definition at line 104 of file dbwrapper.h.

References CDataStream::clear(), DBWRAPPER_PREALLOC_KEY_SIZE, CDataStream::reserve(), and ssKey.

Referenced by CCoinsViewDB::BatchWrite(), llmq::CRecoveredSigsDb::CleanupOldRecoveredSigs(), llmq::CRecoveredSigsDb::CleanupOldVotes(), llmq::CRecoveredSigsDb::ConvertInvalidTimeKeys(), CDBWrapper::Erase(), CBlockTreeDB::EraseAddressIndex(), llmq::CInstantSendDb::RemoveArchivedInstantSendLocks(), llmq::CInstantSendDb::RemoveConfirmedInstantSendLocks(), llmq::CInstantSendDb::RemoveInstantSendLock(), llmq::CRecoveredSigsDb::RemoveRecoveredSig(), CBlockTreeDB::UpdateAddressUnspentIndex(), CBlockTreeDB::UpdateSpentIndex(), and CCoinsViewDB::Upgrade().

Erase() [2/2]

void CDBBatch::Erase ( const CDataStream &  _ssKey )

inline

Definition at line 112 of file dbwrapper.h.

References batch, CDataStream::data(), CDataStream::size(), and size_estimate.

SizeEstimate()

size_t CDBBatch::SizeEstimate ( ) const

inline

Definition at line 123 of file dbwrapper.h.

References size_estimate.

Referenced by CCoinsViewDB::BatchWrite(), llmq::CRecoveredSigsDb::CleanupOldRecoveredSigs(), and CCoinsViewDB::Upgrade().

Write() [1/2]

template<typename K , typename V >

void CDBBatch::Write ( const K &  key, const V &  value  )

inline

Definition at line 75 of file dbwrapper.h.

References CDataStream::clear(), DBWRAPPER_PREALLOC_KEY_SIZE, CDataStream::reserve(), and ssKey.

Referenced by llmq::CRecoveredSigsDb::AddVoteTimeKeys(), CCoinsViewDB::BatchWrite(), llmq::CRecoveredSigsDb::ConvertInvalidTimeKeys(), CBlockTreeDB::UpdateAddressUnspentIndex(), CBlockTreeDB::UpdateSpentIndex(), CCoinsViewDB::Upgrade(), CDeterministicMNManager::UpgradeDiff(), CDBWrapper::Write(), CBlockTreeDB::WriteAddressIndex(), CBlockTreeDB::WriteBatchSync(), llmq::CInstantSendDb::WriteInstantSendLockArchived(), llmq::CInstantSendDb::WriteNewInstantSendLock(), llmq::CRecoveredSigsDb::WriteRecoveredSig(), CBlockTreeDB::WriteTimestampIndex(), CBlockTreeDB::WriteTxIndex(), and llmq::CRecoveredSigsDb::WriteVoteForId().

Write() [2/2]

template<typename V >

void CDBBatch::Write ( const CDataStream &  _ssKey, const V &  value  )

inline

Definition at line 84 of file dbwrapper.h.

References batch, CDataStream::clear(), CDataStream::data(), DBWRAPPER_PREALLOC_VALUE_SIZE, dbwrapper_private::GetObfuscateKey(), parent, CDataStream::reserve(), CDataStream::size(), size_estimate, ssValue, and CDataStream::Xor().

Friends And Related Function Documentation

CDBWrapper

friend class CDBWrapper

friend

Definition at line 51 of file dbwrapper.h.

Member Data Documentation

batch

leveldb::WriteBatch CDBBatch::batch

private

Definition at line 55 of file dbwrapper.h.

Referenced by Clear(), Erase(), Write(), and CDBWrapper::WriteBatch().

parent

const CDBWrapper& CDBBatch::parent

private

Definition at line 54 of file dbwrapper.h.

Referenced by Write().

size_estimate

size_t CDBBatch::size_estimate

private

Definition at line 60 of file dbwrapper.h.

Referenced by Clear(), Erase(), SizeEstimate(), and Write().

ssKey

CDataStream CDBBatch::ssKey

private

Definition at line 57 of file dbwrapper.h.

Referenced by Erase(), and Write().

ssValue

CDataStream CDBBatch::ssValue

private

Definition at line 58 of file dbwrapper.h.

Referenced by Write().

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

• src/dbwrapper.h