#include "Stntuple/obj/TSiGeantIsectBlock.hh"
#include "TClass.h"
#include <iostream>

ClassImp(TSiGeantIsectBlock)

// Do NOT use the default streamer for now.
void TSiGeantIsectBlock::Streamer(TBuffer &R__b) {
  if (R__b.IsReading()) {
    Version_t R__v = R__b.ReadVersion(); 
    if (R__v < 2) {
      TSiGeantIsectBlock::Class()->ReadBuffer(R__b, this);
    }
    else {
      R__b >> fNSiGeantIsect;
      if (fNSiGeantIsect>0) {
	fSiGeantIsectList->Streamer(R__b);
	if (R__v==3) fIsectLinkObsp.Streamer(R__b);
      }
    }
  } 
  else {
    R__b.WriteVersion(TSiGeantIsectBlock::IsA());
    R__b << fNSiGeantIsect;
    if (fNSiGeantIsect>0) {
      fSiGeantIsectList->Streamer(R__b);
      fIsectLinkObsp.Streamer(R__b);
    }
  }
}


//_____________________________________________________________________________
TSiGeantIsectBlock::TSiGeantIsectBlock() {
  fNSiGeantIsect   = 0;
  fSiGeantIsectList = new TClonesArray("TStnSiGeantIsect",1000);
  fSiGeantIsectList->BypassStreamer(kFALSE);
  fCollName  = "";
}


//_____________________________________________________________________________
TSiGeantIsectBlock::~TSiGeantIsectBlock() {
  fSiGeantIsectList->Delete();
  delete fSiGeantIsectList;
}

//_____________________________________________________________________________
Int_t TSiGeantIsectBlock::InitEvent(Int_t flag) {
  // Used to puff up link block.  Now this is done in 
  // StntupleSiGeantIsectLinks
  return 0;
}

//_____________________________________________________________________________
void TSiGeantIsectBlock::Clear(Option_t* opt) {
  fNSiGeantIsect = 0;
  fSiGeantIsectList->Clear(opt);
  fIsectLinkObsp.Clear(opt);
}

//------------------------------------------------------------------------------
void TSiGeantIsectBlock::Print(Option_t* opt) const {
  for (int i=0; i<fNSiGeantIsect; ++i){
    TStnSiGeantIsect* h = SiGeantIsect(i);
    std::cout << "Geant Intersection number " << i << std::endl;
    h->Print(opt);
    std::cout << std::endl;
    std::cout << "Geant Intersection OBSP Links " << std::endl;
    fIsectLinkObsp.Print(opt);
  }
}