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Public Member Functions

l1t::DataWriter Class Reference

#include <DataWriter.h>

List of all members.

Public Member Functions

 DataWriter ()
bool fillLastTriggerKeyList (L1TriggerKeyList &output)
std::string lastPayloadToken (const std::string &recordName)
std::string payloadToken (const std::string &recordName, edm::RunNumber_t runNumber)
template<class T >
void readObject (const std::string &payloadToken, T &outputObject)
bool updateIOV (const std::string &esRecordName, const std::string &payloadToken, edm::RunNumber_t sinceRun, bool logTransactions=false)
void writeKeyList (L1TriggerKeyList *keyList, edm::RunNumber_t sinceRun=0, bool logTransactions=false)
std::string writePayload (const edm::EventSetup &setup, const std::string &recordType)
 ~DataWriter ()

Detailed Description

Definition at line 39 of file DataWriter.h.


Constructor & Destructor Documentation

l1t::DataWriter::DataWriter ( )

Definition at line 13 of file DataWriter.cc.

{}
l1t::DataWriter::~DataWriter ( )

Definition at line 14 of file DataWriter.cc.

{}

Member Function Documentation

bool l1t::DataWriter::fillLastTriggerKeyList ( L1TriggerKeyList output)

Definition at line 210 of file DataWriter.cc.

References funct::false, lastPayloadToken(), readObject(), and funct::true.

Referenced by L1O2OTestAnalyzer::analyze(), L1CondDBPayloadWriter::analyze(), and L1ConfigOnlineProdBase< TRcd, TData >::getObjectKey().

{
  std::string keyListToken =
    lastPayloadToken( "L1TriggerKeyListRcd" ) ;
  if( keyListToken.empty() )
    {
      return false ;
    }
  else
    {
      readObject( keyListToken, output ) ;
      return true ;
    }
}
std::string l1t::DataWriter::lastPayloadToken ( const std::string &  recordName)

Definition at line 195 of file DataWriter.cc.

References Exception, edm::Service< T >::isAvailable(), and cond::TagInfo::lastPayloadToken.

Referenced by fillLastTriggerKeyList().

{
  edm::Service<cond::service::PoolDBOutputService> poolDb;
  if( !poolDb.isAvailable() )
    {
      throw cond::Exception( "DataWriter: PoolDBOutputService not available."
                             ) ;
    }

  cond::TagInfo tagInfo ;
  poolDb->tagInfo( recordName, tagInfo ) ;
  return tagInfo.lastPayloadToken ;
}
std::string l1t::DataWriter::payloadToken ( const std::string &  recordName,
edm::RunNumber_t  runNumber 
)

Definition at line 153 of file DataWriter.cc.

References cond::DbScopedTransaction::commit(), cond::IOVProxy::end(), Exception, cond::IOVProxy::find(), cond::MetaData::getToken(), cond::MetaData::hasTag(), o2o::iov, edm::Service< T >::isAvailable(), cond::IOVProxy::load(), python::CommonUtils::session, and cond::DbScopedTransaction::start().

Referenced by L1O2OTestAnalyzer::analyze(), readObject(), updateIOV(), writeKeyList(), and writePayload().

{
  edm::Service<cond::service::PoolDBOutputService> poolDb;
  if( !poolDb.isAvailable() )
    {
      throw cond::Exception( "DataWriter: PoolDBOutputService not available."
                             ) ;
    }

  // Get tag corresponding to EventSetup record name.
  std::string iovTag = poolDb->tag( recordName ) ;

  // Get IOV token for tag.
  cond::DbSession session = poolDb->session();
  cond::DbScopedTransaction tr(session);
  tr.start(true);
  cond::MetaData metadata(session ) ;
  std::string iovToken ;
  if( metadata.hasTag( iovTag ) )
    {
      iovToken = metadata.getToken( iovTag ) ;
    }
  if( iovToken.empty() )
    {
      return std::string() ;
    }

  // Get payload token for run number.

  cond::IOVProxy iov( session );
  iov.load(iovToken ) ;
  std::string payloadToken("");
  cond::IOVProxy::const_iterator iP = iov.find( runNumber );
  if( iP != iov.end() ){
    payloadToken = iP->token(); 
  }
  tr.commit() ;
  return payloadToken ;
}
template<class T >
void l1t::DataWriter::readObject ( const std::string &  payloadToken,
T outputObject 
)

Definition at line 82 of file DataWriter.h.

References cond::DbScopedTransaction::commit(), Exception, cond::DbSession::getTypedObject(), edm::Service< T >::isAvailable(), payloadToken(), python::CommonUtils::session, and cond::DbScopedTransaction::start().

Referenced by L1CondDBIOVWriter::analyze(), and fillLastTriggerKeyList().

{
  edm::Service<cond::service::PoolDBOutputService> poolDb;
  if( !poolDb.isAvailable() )
    {
      throw cond::Exception( "DataWriter: PoolDBOutputService not available."
                             ) ;
    }
  
  cond::DbSession session = poolDb->session();
  cond::DbScopedTransaction tr(session);
  tr.start(true);
 
  // Get object from POOL
  boost::shared_ptr<T> ref = session.getTypedObject<T>(payloadToken) ;
  outputObject = *ref ;
  tr.commit ();
}
bool l1t::DataWriter::updateIOV ( const std::string &  esRecordName,
const std::string &  payloadToken,
edm::RunNumber_t  sinceRun,
bool  logTransactions = false 
)

Definition at line 91 of file DataWriter.cc.

References Exception, funct::false, edm::Service< T >::isAvailable(), cond::TagInfo::lastInterval, cond::TagInfo::lastPayloadToken, payloadToken(), and funct::true.

Referenced by L1CondDBIOVWriter::analyze(), and writeKeyList().

{
  edm::LogVerbatim( "L1-O2O" ) << esRecordName
                               << " PAYLOAD TOKEN " << payloadToken ;

  edm::Service<cond::service::PoolDBOutputService> poolDb;
  if (!poolDb.isAvailable())
    {
      throw cond::Exception( "DataWriter: PoolDBOutputService not available."
                             ) ;
    }

  bool iovUpdated = true ;

  if( poolDb->isNewTagRequest( esRecordName ) )
    {
      sinceRun = poolDb->beginOfTime() ;
      poolDb->createNewIOV( payloadToken,
                            sinceRun,
                            poolDb->endOfTime(),
                            esRecordName,
                            logTransactions ) ;
    }
  else
    {   
      cond::TagInfo tagInfo ;
      poolDb->tagInfo( esRecordName, tagInfo ) ;

      if( sinceRun == 0 ) // find last since and add 1
        {
          sinceRun = tagInfo.lastInterval.first ;
          ++sinceRun ;
        }

      if( tagInfo.lastPayloadToken != payloadToken )
        {
          poolDb->appendSinceTime( payloadToken,
                                   sinceRun,
                                   esRecordName,
                                   logTransactions ) ;
        }
      else
        {
          iovUpdated = false ;
          edm::LogVerbatim( "L1-O2O" ) << "IOV already up to date." ;
        }
    }

  if( iovUpdated )
    {
      edm::LogVerbatim( "L1-O2O" ) << esRecordName << " "
                                   << poolDb->tag( esRecordName )
                                   << " SINCE " << sinceRun ;
    }

  return iovUpdated ;
}
void l1t::DataWriter::writeKeyList ( L1TriggerKeyList keyList,
edm::RunNumber_t  sinceRun = 0,
bool  logTransactions = false 
)

Definition at line 58 of file DataWriter.cc.

References cond::classNameForTypeId(), cond::DbScopedTransaction::commit(), Exception, edm::Service< T >::isAvailable(), payloadToken(), python::CommonUtils::session, cond::DbScopedTransaction::start(), cond::DbSession::storeObject(), and updateIOV().

Referenced by L1CondDBPayloadWriter::analyze().

{
  edm::Service<cond::service::PoolDBOutputService> poolDb;
  if( !poolDb.isAvailable() )
    {
      throw cond::Exception( "DataWriter: PoolDBOutputService not available."
                             ) ;
    }

  cond::DbSession session = poolDb->session();
  cond::DbScopedTransaction tr(session);
  tr.start(false);

  // Write L1TriggerKeyList payload and save payload token before committing
  boost::shared_ptr<L1TriggerKeyList> pointer(keyList);
  std::string payloadToken = session.storeObject(pointer.get(),
                                                 cond::classNameForTypeId(typeid(L1TriggerKeyList))
                                                 );
                        
  // Commit before calling updateIOV(), otherwise PoolDBOutputService gets
  // confused.
  tr.commit ();
  
  // Set L1TriggerKeyList IOV
  updateIOV( "L1TriggerKeyListRcd",
             payloadToken,
             sinceRun,
             logTransactions ) ;
}
std::string l1t::DataWriter::writePayload ( const edm::EventSetup setup,
const std::string &  recordType 
)

Definition at line 19 of file DataWriter.cc.

References Exception, tests::test_Package01::factory, reco::get(), edm::Service< T >::isAvailable(), and payloadToken().

Referenced by L1CondDBPayloadWriter::analyze().

{
  WriterFactory* factory = WriterFactory::get();
  std::auto_ptr<WriterProxy> writer(factory->create( recordType + "@Writer" )) ;
  if( writer.get() == 0 )
    {
      throw cond::Exception( "DataWriter: could not create WriterProxy with name "
                             + recordType + "@Writer" ) ;
    }

  edm::Service<cond::service::PoolDBOutputService> poolDb;
  if (!poolDb.isAvailable())
    {
      throw cond::Exception( "DataWriter: PoolDBOutputService not available."
                             ) ;
    }

  // 2010-02-16: Move session and transaction to WriterProxy::save().  Otherwise, if another transaction is
  // started while WriterProxy::save() is called (e.g. in a ESProducer like L1ConfigOnlineProdBase), the
  // transaction here will become read-only.
//   cond::DbSession session = poolDb->session();
//   cond::DbScopedTransaction tr(session);
//   // if throw transaction will unroll
//   tr.start(false);

  // update key to have new payload registered for record-type pair.
  //  std::string payloadToken = writer->save( setup, session ) ;
  std::string payloadToken = writer->save( setup ) ;

  edm::LogVerbatim( "L1-O2O" ) << recordType << " PAYLOAD TOKEN "
                               << payloadToken ;

//   tr.commit ();

  return payloadToken ;
}