cond::DbTransaction Class Reference

#include <DbTransaction.h>

Public Member Functions
int	commit ()
	commit transaction. More...
	DbTransaction (ora::Transaction &dbTrans, bool owned=true)
bool	forceCommit ()
	force the commit, regardless to the transaction clients More...
int	isActive () const
	current transaction is active More...
bool	isReadOnly () const
	current transaction is readonly More...
bool	rollback ()
	rollback transaction More...
int	start (bool readOnly=false)
	start transaction More...
	~DbTransaction ()

Private Attributes
int	m_clients
ora::Transaction &	m_dbTrans
bool	m_owned
bool	m_readOnly

Detailed Description

Definition at line 19 of file DbTransaction.h.

Constructor & Destructor Documentation

DbTransaction::DbTransaction	(	ora::Transaction &	dbTrans,
		bool	owned = true
	)

Definition at line 8 of file DbTransaction.cc.

                                                                     :
  m_dbTrans( dbTrans ),m_readOnly(true),m_clients(0),m_owned(owned ){
}

DbTransaction::~DbTransaction

(

)

Definition at line 12 of file DbTransaction.cc.

                                 {
  if( m_owned ) rollback();
}

Member Function Documentation

int DbTransaction::commit

(

)

commit transaction.

Definition at line 28 of file DbTransaction.cc.

Referenced by cond::BasePayloadProxy::BasePayloadProxy(), cond::persistency::checkBackendType(), cond::persistency::OraTransaction::commit(), cond::CondDB::commitTransaction(), cond::ExportIOVUtilities::execute(), FillInfoPopConSourceHandler::getNewObjects(), DTLVStatusHandler::getNewObjects(), DTHVStatusHandler::getNewObjects(), cond::RDBMS::globalTag(), cond::KeyList::load(), cond::BasePayloadProxy::loadIov(), cond::BasePayloadProxy::loadTag(), cond::BasePayloadProxy::make(), and cond::BasePayloadProxy::refresh().

                             {
  if(!m_clients) return -1;
  else{
    --m_clients;
    if(m_clients == 0){
      m_dbTrans.commit();      
    }
  }
  return m_clients;
}

bool DbTransaction::forceCommit

(

)

force the commit, regardless to the transaction clients

Definition at line 39 of file DbTransaction.cc.

                                   {
  bool doCommit = false;
  if(m_clients){
    m_dbTrans.commit();
    doCommit = true;
  }
  m_clients = 0;
  return doCommit;
}

int DbTransaction::isActive

(

)

const

current transaction is active

Definition at line 59 of file DbTransaction.cc.

Referenced by cond::persistency::OraTransaction::isActive().

                                      {
  if(!m_dbTrans.isActive()) return 0;
  return m_clients;
}

bool DbTransaction::isReadOnly

(

)

const

current transaction is readonly

Definition at line 64 of file DbTransaction.cc.

{
  return m_dbTrans.isActive( true );
}

bool DbTransaction::rollback

(

)

rollback transaction

Definition at line 49 of file DbTransaction.cc.

Referenced by cond::persistency::OraTransaction::rollback().

                                {
  bool doRollBack = false;
  if(m_clients){
    m_dbTrans.rollback();
    doRollBack = true;
  }
  m_clients = 0;
  return doRollBack;
}

int DbTransaction::start

(

bool

readOnly = false

)

start transaction

Definition at line 16 of file DbTransaction.cc.

Referenced by progressbar.ProgressBar::__next__(), cond::BasePayloadProxy::BasePayloadProxy(), cond::persistency::checkBackendType(), l1t::OMDSReader::connect(), Types.LuminosityBlockRange::cppID(), Types.EventRange::cppID(), cond::ExportIOVUtilities::execute(), cond::AlignSplitIOV::execute(), FillInfoPopConSourceHandler::getNewObjects(), DTLVStatusHandler::getNewObjects(), DTHVStatusHandler::getNewObjects(), cond::RDBMS::globalTag(), cond::KeyList::load(), cond::BasePayloadProxy::loadIov(), cond::BasePayloadProxy::loadTag(), cond::BasePayloadProxy::make(), l1t::OMDSReader::OMDSReader(), cond::PayLoadInspector< DataT >::plot(), cond::BasePayloadProxy::refresh(), cond::CondDB::startReadOnlyTransaction(), cond::persistency::SessionImpl::startTransaction(), cond::CondDB::startTransaction(), cond::PayLoadInspector< DataT >::summary(), and cond::PayLoadInspector< DataT >::trend_plot().

                                         {
  if(!m_clients){
    m_dbTrans.start( readOnly );
    m_readOnly = readOnly;
  } else {
    if(readOnly != m_readOnly)
      return -1;
  }
  ++m_clients;
  return m_clients;
}

Member Data Documentation

int cond::DbTransaction::m_clients

private

Definition at line 40 of file DbTransaction.h.

ora::Transaction& cond::DbTransaction::m_dbTrans

private

Definition at line 38 of file DbTransaction.h.

bool cond::DbTransaction::m_owned

private

Definition at line 41 of file DbTransaction.h.

bool cond::DbTransaction::m_readOnly

private

Definition at line 39 of file DbTransaction.h.