Gaudi::PoolTool Class Reference

#include <src/PoolTool.h>

Inheritance diagram for Gaudi::PoolTool:

Collaboration diagram for Gaudi::PoolTool:

Public Member Functions
	PoolTool (RootDataConnection *con)
	Standard constructor. More...
string	_treeName (string t)
	Convert TES object identifier to ROOT tree name. More...
virtual RootRef	poolRef (size_t i) const
	Internal overload to facilitate the access to POOL files. More...
virtual int	loadRefs (CSTR, CSTR cnt, unsigned long entry, RootObjectRefs &refs)
	Load references object from file. More...
virtual TBranch *	getBranch (CSTR, CSTR branch_name)
	Access data branch by name: Get existing branch in read only mode. More...
virtual StatusCode	saveRefs ()
	Save references section when closing data file (NOT SUPPORTED) More...
StatusCode	readRefs ()
	Internal helper to read reference tables ##Params and ##Links. More...
Public Member Functions inherited from Gaudi::RootDataConnection::Tool
TTree *	refs () const
StringVec &	dbs () const
StringVec &	conts () const
StringVec &	links () const
ParamMap &	params () const
MsgStream &	msgSvc () const
const std::string &	name () const
Sections &	sections () const
LinkSections &	linkSections () const
MergeSections &	mergeSections () const
virtual	~Tool ()
	Default destructor. More...
virtual void	release ()
	Use releasePtr() helper to delete object. More...
virtual TBranch *	getBranch (const std::string &section, const std::string &n)=0
	Access data branch by name: Get existing branch in read only mode. More...
virtual int	loadRefs (const std::string &section, const std::string &cnt, unsigned long entry, RootObjectRefs &refs)=0
	Load references object. More...

Private Attributes
std::vector< Gaudi::RootRef >	m_poolLinks
	Image of the POOL ##Links table. More...

Additional Inherited Members
Protected Types inherited from Gaudi::RootDataConnection::Tool
typedef RootDataConnection::StringVec	StringVec
typedef RootDataConnection::ParamMap	ParamMap
typedef RootDataConnection::Sections	Sections
typedef RootDataConnection::MergeSections	MergeSections
typedef RootDataConnection::LinkSections	LinkSections
typedef RootDataConnection::ContainerSection	ContainerSection
typedef RootDataConnection::ContainerSections	ContainerSections
Protected Attributes inherited from Gaudi::RootDataConnection::Tool
RootDataConnection *	c
	Pointer to containing data connection object. More...

Detailed Description

Definition at line 17 of file PoolTool.h.

Constructor & Destructor Documentation

Gaudi::PoolTool::PoolTool ( RootDataConnection *  con )

inline

Standard constructor.

Definition at line 23 of file PoolTool.h.

{ c = con; }

Member Function Documentation

string Gaudi::PoolTool::_treeName ( string  t )

inline

Convert TES object identifier to ROOT tree name.

Definition at line 26 of file PoolTool.h.

                               {
      for(string::iterator j = t.begin(); j != t.end(); ++j )
        if ( *j == '/' ) *j = '_';
      return t;
    }

virtual TBranch* Gaudi::PoolTool::getBranch ( CSTR  , CSTR  branch_name  )

inlinevirtual

Access data branch by name: Get existing branch in read only mode.

Definition at line 90 of file PoolTool.h.

                                                         {
      TTree* t = sections()[branch_name];
      if ( t ) {
        return (TBranch*)t->GetListOfBranches()->At(0);
      }
      string tname = _treeName(branch_name);
      t = (TTree*)c->file()->Get(tname.c_str()); // c->getSection(tname);
      if ( t )   {
        TBranch* b = (TBranch*)t->GetListOfBranches()->At(0);
        if ( b ) {
          sections()[branch_name] = t;
          return b;
        }
        msgSvc() << MSG::ERROR << "Failed to access POOL branch:"
          << branch_name << " [" << tname << "]" << endmsg;
        t->Print();
      }
      return 0;
    }

virtual int Gaudi::PoolTool::loadRefs ( CSTR  , CSTR  cnt, unsigned long  entry, RootObjectRefs &  refs  )

inlinevirtual

Load references object from file.

Definition at line 35 of file PoolTool.h.

                                                                                        {
      TTree* t = sections()[cnt];
      if ( !t ) {
        t = (TTree*)c->file()->Get(_treeName(cnt).c_str());
      }
      if ( t ) {
        TBranch* b1 = t->GetBranch("Links");
        TBranch* b2 = t->GetBranch("Refs");
        MsgStream& msg = msgSvc();
        if ( b1 && b2 ) {
          LinkManager lm, *plm = &lm;
          PoolDbLinkManager mgr, *pmgr = &mgr;
          b1->SetAutoDelete(kFALSE);
          b2->SetAutoDelete(kFALSE);
          b1->SetAddress(&plm);
          b2->SetAddress(&pmgr);
          int nb1 = b1->GetEvent(entry);
          int nb2 = b2->GetEvent(entry);
          if ( nb1>1 && nb2>1 ) {
            size_t ref_size  = mgr.references().size();
            refs.refs.resize(ref_size);
            msg << MSG::VERBOSE;
            for(size_t j = 0; j < ref_size; ++j) {
              const pair<int, int>& oid = mgr.references()[j]->m_oid;
              string loc = mgr.links()[j].substr(1);
              RootRef& r  = refs.refs[j];
              if ( oid.first>=0 ) {
                r = m_poolLinks[oid.first];
                r.entry = oid.second;
                r.link  = c->makeLink(loc);
                msg << "Add leaf:" << oid.first << "->" << loc << " from " << c->getDb(r.dbase)
                  << "#" << c->getCont(r.container)
                  << " Link:" << c->getLink(r.link)
                  << " CLID:" << hex << r.clid
                  << " Typ:" << hex << int(r.svc)
                  << " Ent:" << dec << r.entry << endl;
              }
            }
            for(int i = 0, n=lm.size(); i < n; ++i)  {
              LinkManager::Link* lnk = lm.link(i);
              int link_id = c->makeLink(lnk->path());
              msg << "Add Link:" << lnk->path() << endl;
              refs.links.push_back(link_id);
            }
            return nb1 + nb2;
          }
        }
        msg << MSG::ERROR << "Failed to access POOL Ref/Link branches:" << cnt
          << " [" << _treeName(cnt) << "]" << endmsg;
        t->Print();
      }
      return -1;
    }

virtual RootRef Gaudi::PoolTool::poolRef ( size_t  ) const

inlinevirtual

Internal overload to facilitate the access to POOL files.

Reimplemented from Gaudi::RootDataConnection::Tool.

Definition at line 32 of file PoolTool.h.

{ return m_poolLinks[i]; }

StatusCode Gaudi::PoolTool::readRefs ( )

inlinevirtual

Internal helper to read reference tables ##Params and ##Links.

Implements Gaudi::RootDataConnection::Tool.

Definition at line 114 of file PoolTool.h.

                           {
      int i;
      char text[2048];
      msgSvc() << MSG::VERBOSE;

      // First read ##Params
      TTree* t = (TTree*)c->file()->Get("##Params");
      if ( 0 == t ) {
        return StatusCode::FAILURE;
      }
      TBranch* b = t->GetBranch("db_string");
      if ( 0 == b ) {
        return StatusCode::FAILURE;
      }
      for(i=0,b->SetAddress(text); i < b->GetEntries(); ++i) {
        b->GetEvent(i);
        char* id1 = strstr(text,"[NAME=");
        char* id2 = strstr(text,"[VALUE=");
        if ( id1 && id2 )  {
          id1 += 6;
          id2 += 7;
          char* id11 = strstr(id1, "]");
          char* id22 = strstr(id2, "]");
          if ( id11 && id22 )  {
            *id11 = 0;
            *id22 = 0;
            params().push_back(make_pair(id1,id2));
            msgSvc() << "Param:" << id1 << "=" << id2 << "." << endmsg;
          }
        }
      }

      // Read ##Links
      t = (TTree*)c->file()->Get("##Links");
      if ( 0 == t ) {
        return StatusCode::FAILURE;
      }
      b = t->GetBranch("db_string");
      if ( 0 == b ) {
        return StatusCode::FAILURE;
      }
      m_poolLinks.resize((size_t)b->GetEntries()+2); // Take into account the ##Links and ##Shapes entry of POOL!
      for(i=0,b->SetAddress(text); i < b->GetEntries(); ++i) {
        b->GetEvent(i);
        std::string db, container;
        int clid = 1, technology = 0, ipar[2] = {-1,-1};
        for(char* p1 = (char*)text; p1; p1 = ::strchr(++p1,'[')) {
          char* p2 = ::strchr(p1, '=');
          char* p3 = ::strchr(p1, ']');
          if ( p2 && p3 )   {
            if ( ::strncmp("[DB=", p1, 4) == 0 )  {
              *p3 = 0;
              db = p1+4;
            }
            else if ( ::strncmp("[CNT=", p1, 5) == 0 )  {
              *p3 = 0;
              container = p1+5;
            }
            else if ( ::strncmp("[OID=", p1, 5) == 0 )  {
              *p3 = 0;
              ::sscanf(p1+5,"%08X,%08X",(unsigned int*)&ipar[0],(unsigned int*)&ipar[1]);
            }
            else if ( ::strncmp("[CLID=", p1, 6) == 0 )  {
              *p3 = 0;
              ::sscanf(p1+6,"%08X",(unsigned int*)&clid);
            }
            else if ( ::strncmp("[TECH=", p1, 6) == 0 )  {
              *p3 = 0;
              ::sscanf(p1+6,"%08X",(unsigned int*)&technology);
            }
            else    {
              *p3 = *p2 = 0;
            }
            *p3 = ']';
            *p2 = '=';
          }
        }
        c->makeRef("",clid,technology,db,container,-1,m_poolLinks[i+2]);
        RootRef& r = m_poolLinks[i];
        msgSvc() << "Add link[" << i << "]:" << db << container << " [" << r.dbase << "," << r.container << "] "
          << " tech:" << hex << setw(8) << r.svc << " CLID:" << setw(8) << r.clid << dec << endmsg;
      }
      return StatusCode::SUCCESS;
    }

virtual StatusCode Gaudi::PoolTool::saveRefs ( )

inlinevirtual

Save references section when closing data file (NOT SUPPORTED)

Implements Gaudi::RootDataConnection::Tool.

Definition at line 111 of file PoolTool.h.

{      return StatusCode::FAILURE;     }

Member Data Documentation

std::vector<Gaudi::RootRef> Gaudi::PoolTool::m_poolLinks

private

Image of the POOL ##Links table.

Definition at line 19 of file PoolTool.h.

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The documentation for this class was generated from the following file:

• RootCnv/src/PoolTool.h