class TransactionManager : public Debugable

Transaction manager class

Inheritance:

TransactionManager < Debugable

Public Methods

Err	TransactionManager::BeginTransaction (TID *tid) Kratky_komentar_s_teckou_na_konci
Err	TransactionManager::EndTransaction (TID tid) Kratky_komentar_s_teckou_na_konci
TID	TransactionManager::GenerateTID () Kratky_komentar_s_teckou_na_konci
Err	TransactionManager::RegisterRollbackable (Rollbackable *rbObject) Kratky_komentar_s_teckou_na_konci
Err	TransactionManager::Rollback (TID tid) Kratky_komentar_s_teckou_na_konci
	TransactionManager::TransactionManager (Char *transLogName, LogFile *aLogFile) Kratky_komentar_s_teckou_na_konci
Err	TransactionManager::WriteToLog (TID tid, TransactionState state) Kratky_komentar_s_teckou_na_konci
	TransactionManager::~TransactionManager () Kratky_komentar_s_teckou_na_konci

Public

methods CheckTransactionLog () goes through the transaction log and rolls back all not commited transactions Rollback (TID tid) calls Rollback(tid) for all rollbackable objects Err RegisterRollbackable (Rollbackable *rbObject) registers an rollbackable object Err BeginTransaction (TID *tid) returns new TID and writes to Transaction Log Err EndTransaction (TID tid) writes to Transaction Log

Protected

	attributes
	methods TID GenerateTID () generates new transaction ID Err WriteToLog (TID tid, TransactionState state) writes to transactionLog - must be open Err ReadFromLog (TID *tid, TransactionState *state) reads from transactionLog - must be open

Inherited from Debugable:

Public Methods

string* Debugable::CreateString(char *firstStr, int firstInt, int secondInt)

Debugable::Debugable(LogFile * debugLogFile)

int Debugable::SetDebugOptions(int newLogOptions)

void Debugable::SetLogFile(LogFile *aLogFile)

void Debugable::WriteString(LogLevel debugLevel, char * format, ...)

Debugable::~Debugable()

attributes

methods

TID GenerateTID()

generates new transaction ID

Err WriteToLog(TID tid, TransactionState state)

writes to transactionLog - must be open

Err ReadFromLog(TID *tid, TransactionState *state)

reads from transactionLog - must be open

methods

CheckTransactionLog()

goes through the transaction log and rolls back all not commited transactions

Rollback(TID tid)

calls Rollback(tid) for all rollbackable objects

Err RegisterRollbackable(Rollbackable *rbObject)

registers an rollbackable object

Err BeginTransaction(TID *tid)

returns new TID and writes to Transaction Log

Err EndTransaction(TID tid)

writes to Transaction Log

Err TransactionManager::BeginTransaction(TID *tid)

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

Err TransactionManager::EndTransaction(TID tid)

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

TID TransactionManager::GenerateTID()

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

Err TransactionManager::RegisterRollbackable(Rollbackable *rbObject)

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

Err TransactionManager::Rollback(TID tid)

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

TransactionManager::TransactionManager(Char *transLogName, LogFile *aLogFile)

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

Err TransactionManager::WriteToLog(TID tid, TransactionState state)

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

TransactionManager::~TransactionManager()

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Pavel

See Also:

co_se_toho_tyka

Author:

Pavel

See Also:

Rollbackable

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