RootStreamBuffer Class Reference

Inheritance diagram for RootStreamBuffer:

Public Member Functions
void	copy (std::ostream &destForData, std::ostream &destForStreamerInfo)
void	ForceWriteInfo (TVirtualStreamerInfo *sinfo, Bool_t)
void	read (void *destinationInstance, const TClass *ptrClass)
	RootStreamBuffer ()
	RootStreamBuffer (const std::string &dataSource, const std::string &streamerInfoSource)
void	TagStreamerInfo (TVirtualStreamerInfo *sinfo)
void	write (const void *obj, const TClass *ptrClass)

Private Attributes
TList	m_streamerInfo
TBufferFile	m_streamerInfoBuff

Detailed Description

Definition at line 36 of file Serialization.cc.

Constructor & Destructor Documentation

RootStreamBuffer::RootStreamBuffer ( )

inline

Definition at line 38 of file Serialization.cc.

                    :
    TBufferFile( TBufferFile::kWrite ),
    m_streamerInfoBuff( TBufferFile::kWrite ){
  }

RootStreamBuffer::RootStreamBuffer ( const std::string &  dataSource, const std::string &  streamerInfoSource  )

inline

Definition at line 43 of file Serialization.cc.

                                                                                      :
    TBufferFile( TBufferFile::kRead, dataSource.size(), const_cast<char*>( dataSource.c_str()), kFALSE ),
    m_streamerInfoBuff( TBufferFile::kRead, streamerInfoSource.size(), const_cast<char*>( streamerInfoSource.c_str()), kFALSE ){
  }

Member Function Documentation

void RootStreamBuffer::copy ( std::ostream &  destForData, std::ostream &  destForStreamerInfo  )

inline

Definition at line 103 of file Serialization.cc.

References m_streamerInfoBuff.

Referenced by cond::RootOutputArchive::write().

                                                                       {
    destForData.write( static_cast<const char*>(Buffer()),Length() );
    destForStreamerInfo.write( static_cast<const char*>(m_streamerInfoBuff.Buffer()),m_streamerInfoBuff.Length() );
  }

void RootStreamBuffer::ForceWriteInfo ( TVirtualStreamerInfo *  sinfo, Bool_t    )

inline

Definition at line 48 of file Serialization.cc.

References m_streamerInfo.

                                                            {
    m_streamerInfo.Add( sinfo );
  }

void RootStreamBuffer::read ( void *  destinationInstance, const TClass *  ptrClass  )

inline

Definition at line 67 of file Serialization.cc.

References info(), list(), m_streamerInfoBuff, and GetRecoTauVFromDQM_MC_cff::next.

Referenced by Vispa.Plugins.EdmBrowser.EdmDataAccessor.EdmDataAccessor::goto(), and Vispa.Plugins.EdmBrowser.EdmDataAccessor.EdmDataAccessor::setFilterBranches().

                                                                {
    // first "load" the available streaminfo(s) 
    // code imported from TSocket::RecvStreamerInfos
    TList *list = 0;
    if(m_streamerInfoBuff.Length()){
      list = (TList*)m_streamerInfoBuff.ReadObject( TList::Class() );
      TIter next(list);
      TStreamerInfo *info;
      TObjLink *lnk = list->FirstLink();
      // First call BuildCheck for regular class
      while (lnk) {
    info = (TStreamerInfo*)lnk->GetObject();
    TObject *element = info->GetElements()->UncheckedAt(0);
    Bool_t isstl = element && strcmp("This",element->GetName())==0;
    if (!isstl) {
      info->BuildCheck();
    }
    lnk = lnk->Next();
      }
      // Then call BuildCheck for stl class
      lnk = list->FirstLink();
      while (lnk) {
    info = (TStreamerInfo*)lnk->GetObject();
    TObject *element = info->GetElements()->UncheckedAt(0);
    Bool_t isstl = element && strcmp("This",element->GetName())==0;
    if (isstl) {
      info->BuildCheck();
    }
    lnk = lnk->Next();
      }
    }
    // then read the object data
    StreamObject(destinationInstance, ptrClass);
    if( list ) delete list;
  }

void RootStreamBuffer::TagStreamerInfo ( TVirtualStreamerInfo *  sinfo )

inline

Definition at line 52 of file Serialization.cc.

References m_streamerInfo.

                                                   {
    m_streamerInfo.Add( sinfo );
  }

void RootStreamBuffer::write ( const void *  obj, const TClass *  ptrClass  )

inline

Definition at line 56 of file Serialization.cc.

References m_streamerInfo, and m_streamerInfoBuff.

Referenced by pkg.AbstractPkg::generate(), and cond::RootOutputArchive::write().

                                                       {
    m_streamerInfo.Clear();
    // this will populate the streamerInfo list 'behind the scenes' - calling the TagStreamerInfo method
    StreamObject(const_cast<void*>(obj), ptrClass);    
    // serialize the StreamerInfo
    if(m_streamerInfo.GetEntries() ){
      m_streamerInfoBuff.WriteObject( &m_streamerInfo );
    }
    m_streamerInfo.Clear();
  }

Member Data Documentation

TList RootStreamBuffer::m_streamerInfo

private

Definition at line 110 of file Serialization.cc.

Referenced by ForceWriteInfo(), TagStreamerInfo(), and write().

TBufferFile RootStreamBuffer::m_streamerInfoBuff

private

Definition at line 109 of file Serialization.cc.

Referenced by copy(), read(), and write().