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rTreeBase.cpp

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#include "Event/rTreeBase.h"

#include "TFile.h"
#include "TTree.h"

//#############################################
template<class rCore> void rTreeBase<rCore>::open()
//##############################################
{
        rTFileBase::open();
        if (!isOpen()) return;

        m_core->Create();
        getFile()->cd();

        if (getMode() == IOBase::READ) {
                m_RTree = (TTree*) gDirectory->Get("T");
                m_RTree->SetBranchAddress(className(),&m_core);
                setNumEvents(m_RTree->GetEntries());
        } else if (getMode() == IOBase::WRITE) {
            m_RTree = new TTree("T", "TreeBase");
                TBranch* branch = m_RTree->Branch(className(),className(),&m_core, bufsize, split);
        }
}
//#######################
template<class rCore> void rTreeBase<rCore>::readEvent()
//#######################
{

        if (m_RTree == 0) return;
        if (!isOpen()) return;
        if (getMode() != IOBase::READ) return;
        
        IOfileVI::readEvent();
        
        m_core->Clean();                
        m_RFile->cd();

        Int_t nb = 0,nbytes = 0;
        nb = m_RTree->GetEvent((Int_t) eventNumber());
        nbytes += nb;

        
}
//#######################
template<class rCore> void rTreeBase<rCore>::writeEvent()
//#######################
{
  
        if (m_RTree == 0) return;       
        if (!isOpen()) return;
        if (getMode() != IOBase::WRITE) return;
        
        IOfileVI::writeEvent();
        
        m_RFile->cd();
        m_RTree->Fill();

        m_core->Clean();
        m_core->Create();
        
}

//########################
template<class rCore> void rTreeBase<rCore>::clear()
//########################
{
        if (m_RTree !=0) delete m_RTree;

        m_RTree = 0;

    bufsize = 64000;
    split = 1;          // split objects into sub branches

        rTFileBase::clear();
}

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